LAST MONTH
NEXT WEEK
TOP
December 2019
Full Winter Gear
Time to pull out the full Winter Gear. A thick base layer with thick insulation and shell layers necessary.
Nov 20, 2018: FULL Winter Gear Required
Nov 1, 2018: Winter Elements must be included in Kit
Oct 9, 2018: Fall Elements must be included in Kit
Yosemite-Hoover-Desolation
&
John Muir Trail Hikers:
Time to Order Next Year's Permits
WARMER
HIGH SIERRA
DAYS ARE AHEAD
Pick 'Em !
Summer of 2020 Backpacking Plans?
Yosemite-Hoover-Desolation
&
John Muir Trail Hikers:
It's Time to
Order This Year's Permits!
Reserved permits for the beginning of the Summer, for June of 2020 are now available from Yosemite, Hoover, and Desolation Wilderness Areas.
First shot at June reservations begins in December.
In other words, Yosemite, Desolation, and Hoover Wilderness Areas all offer advanced reservations about six months ahead of your desired hiking dates, so now it the time to get your preferred dates across the whole Summer hiking season.
This means now is the time to get your permit applications for popular hikes into the Man, and see if your best hiking windows are open.
For When?
Permit reservations for June open in December.
All Permits
Yosemite Permits Desolation Wilderness
All Snow Information
December
Road News & Status Links
El Nino Report
Review
December of 2017
against
December of 2016
Against this November of 2018....
More
High Sierra
Backpacker
Information
Guide Trailhead
Guide Index
High Sierra Magazine
Blog-Forums
From the Past we learn about our Future. |
26 November
RISING PM SHOWERS
WINTER STORM
FIRST of the YEAR
HAZARDS
RENO
WINTER STORM WARNING
SACTO
WINTER STORM WARNING
HANFORD
WINTER STORM WARNING
Cherry Lake Forecast
Lee Vining Forecast
Lake Thomas Edison
BEST
FORECASTS
HAZARDS
Precipitation
General
Quantitative Precipitation Forecasts:
ALL
RAIN FORECASTS
&
MODELS
Direct to
Seven Day Precip
Animation
Precipitation
Geographic
All High Sierra
ZONE & POINT
FORECASTS
All High Sierra
ZONE
FORECASTS
Now
RADAR
Direct
to
GRAPHICAL INTERFACE
Forecast
Winds? Weather?
NorCal Graphics
Region, SW US
Forecast
Temperatures
Model
Five Day Mean
Low Temps
Click Green "Latest" Model,
observe using step button
All Temps
Let's look at the
Big Picture
Surface Map
The Pacific Ocean
US Weather Map
All Maps |
27 November
CONTINUING
WINTER-COLD
STORM HAZARDS
CalTrans
BLOCKING RIDGE
SMASHED
A Couple of More Lows
are headed our way over
the next few days...
MAPS
HIGH SIERRA
All Snow Info
SNOW STATUS & FORECASTS
Direct
Two Day
SNOW FORECAST
Seven Days
RENO
WINTER STORM WARNING
SACTO
WINTER STORM WARNING
HANFORD
WINTER STORM WARNING
Cherry Lake Forecast
Lee Vining Forecast
Lake Thomas Edison
Station Reports
TENTH
--Fall--
Temp Snow Checks
November 27
2019
11AM-11AM
Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.
Last Report:
Nov 20
Next Report:
Nov 29
Tahoe Basin
Watershed
Southwest Tahoe
Trail Map with Stations
PCT-TYT-TRT
Rubicon 12.0 +12.0
(1.80) +1.50
7618 feet
Trail Map
29 & 21 −/−
PCT-TYT-TRT
Echo Peak 18.0 +15
(1.90) +1.20
7652 feet
Stations Map
29 & 20 −/−
American-Yuba Watersheds
PCT-TYT
Carson Pass
12.0 +11
(1.60) +1.10
8388 feet
Trail Map
Stations Map
29 & 19 −/−
Carson-Walker
Watersheds
PCT-TYT
Ebbetts Pass
22.0 +19
(1.90) +1.40
8660 feet
Trail Map
28 & 17 −/−
West of PCT
Highlands Meadow
2.56 +1.28 ??
(0.--) -.--
8360 feet
Trail Map
25 & 15 −/−
EAST FLANK
Leavitt Lake
18.0 +18.0
(1.50) +1.20
9602 feet, East Flank
Trail Map
26
& 14 −/−
EAST FLANK
Marine Base
Cold Weather Training
6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
42 & 3 +/−
Mokelumne-Stanislaus Watersheds
PCT-TYT
Sonora Pass
Kennedy Meadows
RESUPPLY
Deadman Creek
4.72 +4.32 ???
(--.--)
9250 feet,West Flank,
Trail Map
25 & 12 −/−
Tuolumne-Merced
Watersheds
SW of TYT
Horse Meadow
0.4 =0.0 ???
8602 feet
Trail Map
25 & 15 −/−
Top of List
Tenaya Lake
19.75 +19.55
(0.01) =0.00 ??
8163 feet, West Flank
Trail Map
28
& 17 −/−
JMT-PCT-TYT
Tuolumne Meadows
19.11 +19.11
(0.07) +0.07 ??
8600 feet, West Flank
Trail Map
31
& 15 −/−
Tioga Pass/Dana
14.12 +14.02
(0.0) =
9798 feet
Trail Map
26
& 10 −/−
Mammoth Mountain
Mono Lake-Owens Basin
East of PCT-JMT
Above Gem Lake
Gem Pass (error)
10750 feet
Trail Map
temps bad
JMT-PCT Junction
Devils Postpile
22.45 +22.45
(0.61) =0.00 ??
8004 feet
Trail Map Above
26 & 19 −/−
NE of JMT-PCT
Mammoth Pass
10.07 +7.91 (earlier)
(0.48) = ??
9500 feet
Trail Map
26 & 13 −/−
Top of List
JMT-PCT
E of Bear Ridge
Volcanic Knob
7.70 +6.5 (earlier)
(0.00) = ??
10100 feet
Trail Map
28 & 12 −/−
East Flank
South Lake Cabin
no snow
(27.80) +.3
9580 feet, East Flank
Trail Map
34 & 6 −/−
East Flank
Big Pine Sawmill
20.10 +18.5
10200 feet, East Flank
Trail Map Above
32 & 12 −/−
Kings River
Just East JMT-PCT
Bishop Pass (bad)
(0.0) =
11972 feet
Trail Map Above
24 & 8 −/− (earlier)
Just West JMT-PCT
Charlotte Lake
31.23 +27.19
10398 feet, West Flank
Trail Map
27 & 12 −/−
(Typically the coldest station)
Kern Watershed
JMT-PCT
Upr Tyndall Creek
20.02 +19.39
11441 feet
Trail Map
28 & 8 −/−
JMT
Crabtree Meadow
1.33 +1.33 ??
(28.20) +1.34
10,700 feet
Trail Map
30
& 11 −/−
? = questionable data
All High Sierra
Reporting Stations
More Stations, by Watersheds
Top of List
2017
Snow & Temp Check
|
28 November
CONTINUING
WINTER-COLD
STORM HAZARDS
Storm Tailing Off,
Light Snow
Between Lows
BEST
FORECASTS
HAZARDS
Precipitation
General
Quantitative Precipitation Forecasts:
ALL
RAIN FORECASTS
&
MODELS
Direct to
Seven Day Precip
Animation
Precipitation
Geographic
All High Sierra
ZONE & POINT
FORECASTS
All High Sierra
ZONE
FORECASTS
Now
RADAR
Direct
to
GRAPHICAL INTERFACE
Forecast
Winds? Weather?
NorCal Graphics
Region, SW US
Forecast
Temperatures
Model
Five Day Mean
Low Temps
Click Green "Latest" Model,
observe using step button
All Temps
Let's look at the
Big Picture
Surface Map
The Pacific Ocean
US Weather Map
All Maps
REALTIME
High Sierra Crestline
Reporting Stations
Compare Today
with
Temperatures
on
Nov 29
Nov 27
Nov 20
Nov 16
Nov 9
Nov 2
Oct 28
Oct 14
Sept 29
Sept 25
Aug 16th
All High Sierra
Reporting Stations
|
29 November
BETWEEN
STORMS
Light Snow
Between Lows
COLD
Days
COLD
Nights
HAZARD WARNINGS
Saturday Sunday
UPCOMING
WINTER-COLD
STORM HAZARDS
Cherry Lake Forecast
Lee Vining Forecast
Lake Thomas Edison
RENO
WINTER STORM WARNING
SACTO
WINTER STORM WARNING
HANFORD
WINTER STORM WARNING
Station Reports
ELEVENTH
--Fall--
Temp Snow Checks
November 29
2019
1PM-1PM
Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.
Last Report:
Nov 27
Next Report:
Dec 2
Tahoe Basin
Watershed
Southwest Tahoe
Trail Map with Stations
PCT-TYT-TRT
Rubicon 16.0 +4.0
(2.30) +0.50
7618 feet
Trail Map
22 & 19 −/−
PCT-TYT-TRT
Echo Peak 24.0 +6
(3.10) +2.20
7652 feet
Stations Map
24 & 19 −/−
American-Yuba Watersheds
PCT-TYT
Carson Pass
14.0 +2
(2.00) +0.40
8388 feet
Trail Map
Stations Map
20 & 16 −/−
Carson-Walker
Watersheds
PCT-TYT
Ebbetts Pass
25.0 +3
(3.70) +1.80
8660 feet
Trail Map
20 & 15 −/−
West of PCT
Highlands Meadow
6.59 +4.03 ??
(0.--) -.--
8360 feet
Trail Map
16 & 13 −/−
EAST FLANK
Leavitt Lake
21.0 +3.0
(2.80) +1.30
9602 feet, East Flank
Trail Map
15
& 11 −/−
EAST FLANK
Marine Base
Cold Weather Training
6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
26 & 1 −/−
Mokelumne-Stanislaus Watersheds
PCT-TYT
Sonora Pass
Kennedy Meadows
RESUPPLY
Deadman Creek
Error +-.-- ???
(--.--)
9250 feet,West Flank,
Trail Map
14 & 6 −/−
Tuolumne-Merced
Watersheds
SW of TYT
Horse Meadow
Error =0.0 ???
8602 feet
Trail Map
18 & 12 −/−
Top of List
Tenaya Lake
24.35 +4.6
(0.01) =0.00 ??
8163 feet, West Flank
Trail Map
23
& 14 −/−
JMT-PCT-TYT
Tuolumne Meadows
16.60 −2.51
(0.08) +0.01 ??
8600 feet, West Flank
Trail Map
23
& 6 −/−
Tioga Pass/Dana
00.00 +???
(0.21) +0.21
9798 feet
Trail Map
13
& 3 −/−
Mammoth Mountain
Mono Lake-Owens Basin
East of PCT-JMT
Above Gem Lake
Gem Pass (error)
10750 feet
Trail Map
temps bad
JMT-PCT Junction
Devils Postpile
37.64 +15.19
(0.99) +0.38 ??
8004 feet
Trail Map Above
21 & 16 −/−
NE of JMT-PCT
Mammoth Pass
35.97 +25.9 (earlier)
(0.48) = ??
9500 feet
Trail Map
17 & 9 −/−
Top of List
JMT-PCT
E of Bear Ridge
Volcanic Knob
32.30 +24.6 (earlier)
(0.00) = ??
10100 feet
Trail Map
21 & 7 −/−
East Flank
South Lake Cabin
no snow sensor
(28.00) +.2
9580 feet, East Flank
Trail Map
17 & 3 −/−
East Flank
Big Pine Sawmill
20.10 =0.0
10200 feet, East Flank
Trail Map Above
14 & 5 −/−
Kings River
Just East JMT-PCT
Bishop Pass (bad)
(0.0) =
11972 feet
Trail Map Above
-- & -- −/− (earlier)
Just West JMT-PCT
Charlotte Lake
33.84 +2.61
10398 feet, West Flank
Trail Map
17 & 6 −/−
(Typically the coldest station)
Kern Watershed
JMT-PCT
Upr Tyndall Creek
21.08 +1.06
11441 feet
Trail Map
14 & 2 −/−
JMT
Crabtree Meadow
0.08 −1.25 error ??
(28.84) +0.64
10,700 feet
Trail Map
17
& −1 −/−
? = questionable data
All High Sierra
Reporting Stations
More Stations, by Watersheds
Top of List
2018
Snow & Temp Check
|
30 November
LONG-STRONG
STORM
Days of Snow Ahead
Tropical Transport
Mechanism
Approaches
Light Snow
Tracking TTM
All Precip Forecasts
What's Happening
Note from the 27th
Direct
Two Day
SNOW FORECAST
Seven Days
HIGH SIERRA
All Snow Info
SNOW STATUS & FORECASTS
COLD
Days
COLD
Nights
CalTrans
SNOW TRAVEL
WEEKEND?
-->NOTE<--
Nov 27
RENO
Winter Watch Posted
(FOR THE WEEKEND)
Mountain Safety
AVALANCHE DANGERS
Winter Backpacking
Considerations
Seven Day
Freezing Temperature Probability
FULL
WINTER GEAR
REQUIRED
November 26
Note
FULL FALL KIT
REQUIRED
(As of Sept 27)
Gear Lists
GEAR NOTE
Add Winter Gear
Elements
as
REQUIRED
(As of Oct 11)
LAST MONTH
NEXT WEEK
TOP
LAST MONTH
NEXT WEEK
TOP
LAST MONTH
NEXT WEEK
TOP |
1
HEAVY
SNOW
Tropical Transport
Mechanism
Delivers
Tropical Transport
Mechanism
FORCASTS-OBSERVATIONS
All Precip Forecasts
Compare today's snow deposition with our
Nov 27-29 readings.
CalTrans
Highways
4
108
120
All Closed
WINTER-COLD
STORM HAZARDS
HAZARDS
NWS RENO
WINTER STORM WARNING
NWS SACTO
WINTER STORM WARNING
NWS HANFORD
WINTER STORM WARNING
Point Forecasts
Cherry Lake Forecast
Lee Vining Forecast
Lake Thomas Edison
CCC
Backcountry Trail Crew
APPLICATIONS DUE FEB 15
2018
Snowpack & Temps
2018 ROAD STATUS
NOVEMBER 21:
ALL
SEASONAL
TRANS-SIERRA
HIGHWAYS
CLOSED for SEASON
Tioga Pass Closed,
Caltrans
Sonora Pass Closed,
Caltrans
Ebbetts Pass Closed, Caltrans
All Road Reports
|
2
HEAVY
SNOW
Tropical Transport
Mechanism
Delivers,
&
Diminishing PM
MAJOR WARMING
Clearing PM
NWS RENO
No Warnings
NWS SACTO
Expire this Afternoon
NWS HANFORD
Expire This Afternoon
HIGH SIERRA
All Snow Info
SNOW STATUS & FORECASTS
Direct
Two Day
SNOW FORECAST
Seven Days
What's Happening
Note from the 27th
FIRST
SNOW READING
2019
Current Snowpack:
Percent of Average for
December 2.
N Sierra: 76%
Cen. Sierra: 94%
S Sierra: 107%
Ca State: 88%
Next Measurement:
Dec 5
Last Year
Statewide Summary of Snow Water Content PDF
Station Reports
TWELVTH
--Fall--
Temp Snow Checks
December 2
2019
3PM-3PM
Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.
Last Report:
Nov 29
Next Report:
Dec 6
Tahoe Basin
Watershed
Southwest Tahoe
Trail Map with Stations
PCT-TYT-TRT
Rubicon 16.0 +12.0
(5.20) +2.90
7618 feet
Trail Map
35 & 33 +/+
PCT-TYT-TRT
Echo Peak 41.0 +17
(8.20) +5.10
7652 feet
Stations Map
34 & 34 +/+
American-Yuba Watersheds
PCT-TYT
Carson Pass
49.0 +35
(7.90) +5.90
8388 feet
Trail Map
Stations Map
34 & 31 +/+
Carson-Walker
Watersheds
PCT-TYT
Ebbetts Pass
62.0 +37
(10.10) +6.40
8660 feet
Trail Map
33 & 29 +/+
West of PCT
Highlands Meadow
30.29 +23.7
(5.81) +5.81
8360 feet
Trail Map
32 & 28 +/+
EAST FLANK
Leavitt Lake
44.0 +23.0
(7.50) +4.7
9602 feet, East Flank
Trail Map
34
& 29 +/+
EAST FLANK
Marine Base
Cold Weather Training
6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
40 & 33 +/+
Mokelumne-Stanislaus Watersheds
PCT-TYT
Sonora Pass
Kennedy Meadows
RESUPPLY
Deadman Creek
34.05 +-.--
(--.--)
9250 feet,West Flank,
Trail Map
31 & 26 +/+
Tuolumne-Merced
Watersheds
SW of TYT
Horse Meadow
Error =0.0 ???
8602 feet
Trail Map
35 & 29 +/+
Top of List
Tenaya Lake
38.65 +14.3
(0.18) +0.17 ??
8163 feet, West Flank
Trail Map
36
& 29 +/+
JMT-PCT-TYT
Tuolumne Meadows
28.25 +11.65
(0.36) +0.28
8600 feet, West Flank
Trail Map
41
& 27 +/+
Tioga Pass/Dana
02.36 +???
(0.30) +0.09
9798 feet
Trail Map
25
& 35 +/+
Mammoth Mountain
Mono Lake-Owens Basin
East of PCT-JMT
Above Gem Lake
Gem Pass (error)
10750 feet
Trail Map
temps bad
JMT-PCT Junction
Devils Postpile
35.67 −1.97 ??
(2.73) +1.74
8004 feet
Trail Map Above
36 & 24 +/+
NE of JMT-PCT
Mammoth Pass
40.90 +4.93 (earlier)
(0.48) = ??
9500 feet
Trail Map
33 & 23 +/+
Top of List
JMT-PCT
E of Bear Ridge
Volcanic Knob
31.20 −1.1
(0.00) = ??
10100 feet
Trail Map
34 & 25 +/+
East Flank
South Lake Cabin
no snow sensor
(28.10) +0.1
9580 feet, East Flank
Trail Map
38 & 26 +/+
East Flank
Big Pine Sawmill
22.40 +2.3
10200 feet, East Flank
Trail Map Above
33 & 24 +/+
Kings River
Just East JMT-PCT
Bishop Pass (bad)
(0.0) =
11972 feet
Trail Map Above
-- & -- −/− (earlier)
Just West JMT-PCT
Charlotte Lake
33.35 −0.49
10398 feet, West Flank
Trail Map
34 & 22 +/+
(Typically the coldest station)
Kern Watershed
JMT-PCT
Upr Tyndall Creek
27.19 +6.11
11441 feet
Trail Map
33 & 21 +/+
JMT
Crabtree Meadow
3.69 +3.61 error ??
(29.84) +!.00
10,700 feet
Trail Map
32
& 19 +/+
? = questionable data
All High Sierra
Reporting Stations
More Stations, by Watersheds
Top of List
2017
RECORD-SETTING SNOW,
DANGEROUS HEAT
December of 2016
Very Dry Year
December of 2015
2014-15 Driest Year |
3
LIGHT
SNOW
Tropical Transport
Mechanism
Dissipating & Reforming
Gap Between Storms
Low/Lows Spinning off
California Coast Have Shed one Front Line, and are in the process of forming another Set of Lows off the Coast, with another front line running Southwest to Hawaii...
Maps
BEST
FORECASTS
HAZARDS
Precipitation
General
Quantitative Precipitation Forecasts:
ALL
RAIN FORECASTS
&
MODELS
Direct to
Seven Day Precip
Animation
Precipitation
Geographic
All High Sierra
ZONE & POINT
FORECASTS
All High Sierra
ZONE
FORECASTS
Now
RADAR
Direct
to
GRAPHICAL INTERFACE
Forecast
Winds? Weather?
NorCal Graphics
Region, SW US
Forecast
Temperatures
Model
Five Day Mean
Low Temps
Click Green "Latest" Model,
observe using step button
All Temps
Let's look at the
Big Picture
Surface Map
The Pacific Ocean
US Weather Map
All Maps
2017
Snow Depths & Temps
2017 Calendar |
4
BETWEEN
STORMS
Light Showers
CalTrans
HAZARDS
LAST MONTH
NEXT WEEK
TOP
REALTIME
High Sierra Crestline
Reporting Stations
Compare Today
with
Temperatures
on
Nov 27
Nov 20
Nov 16
Nov 9
Nov 2
Oct 28
Oct 14
Sept 29
Sept 25
Aug 16th
LAST MONTH
NEXT WEEK
TOP |
5
BETWEEN
STORMS
Light Showers
Warnings
Fri-Sun
2019
Current Snowpack:
Percent of Average for
December 5.
N Sierra: 75%
Cen. Sierra: 103%
S Sierra: 117%
Ca State: 97%
Next Measurement:
Dec 12
Last Year
Statewide Summary of Snow Water Content PDF
2018
Snowpack & Temps
2018
Current Snowpack:
Percent of Average for
December 5.
N Sierra: 80%
Cen. Sierra:113%
S Sierra: 141%
Ca State: 108%
Next Measurement:
Dec 13
Statewide Summary of Snow Water Content PDF
Last Year, 12/29
|
6
BETWEEN
STORMS
Clear & Windy
Storm Arrived PM
Warnings
Fri-Sun
NWS RENO
Winter Storm Warning
NWS SACTO
Winter Storm Warning
NWS HANFORD
Winter Storm Warning
THE SNOWPACK
2019
GRAPHICS
Date-Adjustable High Sierra Snowpack Status
GRAPHICS
NOAA-NOHRSC
The High Sierra
11-27-19
Today's
REPORTING
STATIONS
NEW
Temp & Snow Tables
by Watershed and Highway Corridor
Also See
All High Sierra Snowpack Data
Station Reports
THIRTEENTH
--Fall--
Temp Snow Checks
December 6
2019
9AM-9AM
Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.
Last Report:
Dec 2
Next Report:
Dec 8
Tahoe Basin
Watershed
Southwest Tahoe
Trail Map with Stations
PCT-TYT-TRT
Rubicon 27.0 +11.0
(5.20) +0.80
7618 feet
Trail Map
38 & 32 +/−
PCT-TYT-TRT
Echo Peak 29.0 −12
(9.00) +0.80
7652 feet
Stations Map
41 & 34 +/=
American-Yuba Watersheds
PCT-TYT
Carson Pass
42.0 −7
(8.60) +0.70
8388 feet
Trail Map
Stations Map
36 & 26 +/−
Carson-Walker
Watersheds
PCT-TYT
Ebbetts Pass
51.0 −11.00
(11.5) +1.40
8660 feet
Trail Map
38 & 34 +/+
West of PCT
Highlands Meadow
25.69 −4.6
(6.16) +0.35
8360 feet
Trail Map
33 & 24 +/−
EAST FLANK
Leavitt Lake
36.0 −8.0
(8.00) +0.5
9602 feet, East Flank
Trail Map
39
& 34 +/+
EAST FLANK
Marine Base
Cold Weather Training
6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
42 & 17 +/−
Mokelumne-Stanislaus Watersheds
PCT-TYT
Sonora Pass
Kennedy Meadows
RESUPPLY
Deadman Creek
25.39 −8.66
(--.--)
9250 feet,West Flank,
Trail Map
38 & 19 +/−
Tuolumne-Merced
Watersheds
SW of TYT
Horse Meadow
Error =0.4 ???
8602 feet
Trail Map
44 & 11 +/−
Top of List
Tenaya Lake
32.87 −5.78
(0.85) +0.67 ??
8163 feet, West Flank
Trail Map
39
& 11 +/−
JMT-PCT-TYT
Tuolumne Meadows
23.97 −4.28
(1.12) +0.76
8600 feet, West Flank
Trail Map
40
& 8 −/−
Tioga Pass/Dana
02.20 -.16???
(0.31) +0.01
9798 feet
Trail Map
36
& 16 +/−
Mammoth Mountain
Mono Lake-Owens Basin
East of PCT-JMT
Above Gem Lake
Gem Pass (error)
10750 feet
Trail Map
temps bad
JMT-PCT Junction
Devils Postpile
32.60 −3.07
(2.73) +0.56
8004 feet
Trail Map Above
41 & 10 +/−
NE of JMT-PCT
Mammoth Pass
40.40 −0.50
(0.48) = ??
9500 feet
Trail Map
36 & 23 +/=
Top of List
JMT-PCT
E of Bear Ridge
Volcanic Knob
30.10 −0.9
(0.00) = ??
10100 feet
Trail Map
41 & 15 +/−
East Flank
South Lake Cabin
no snow sensor
(28.20) +0.1
9580 feet, East Flank
Trail Map
45 & 26 +/=
East Flank
Big Pine Sawmill
19.90 −2.5
10200 feet, East Flank
Trail Map Above
39 & 22 +/−
Kings River
Just East JMT-PCT
Bishop Pass (bad)
(0.0) =
11972 feet
Trail Map Above
-- & -- −/− (earlier)
Just West JMT-PCT
Charlotte Lake
31.65 −1.7
10398 feet, West Flank
Trail Map
36 & 14 +/−
(Typically the coldest station)
Kern Watershed
JMT-PCT
Upr Tyndall Creek
26.76 −0.43
11441 feet
Trail Map
40 & 24 +/+
JMT
Crabtree Meadow
4.62 +0.93 error ??
(30.29) +0.45
10,700 feet
Trail Map
38
& 14 +/−
? = questionable data
All High Sierra
Reporting Stations
More Stations, by Watersheds
Top of List
|
7
Pearl Harbor
HEAVY
SNOW
Tropical Transport
Mechanism
Delivers out of SW
Tropical Transport
Mechanism
FORCASTS-OBSERVATIONS
All Precip Forecasts
HIGH SIERRA
All Snow Info
SNOW STATUS & FORECASTS
Direct
Two Day
SNOW FORECAST
Seven Days
Warnings
Fri-Sun
NWS RENO
Winter Storm Warning
NWS SACTO
Winter Storm Warning
NWS HANFORD
Winter Storm Warning
Point Forecasts
Cherry Lake Forecast
Lee Vining Forecast
Lake Thomas Edison
LAST MONTH
NEXT WEEK
TOP
BEST
FORECASTS
HAZARDS
Precipitation
General
Quantitative Precipitation Forecasts:
ALL
RAIN FORECASTS
&
MODELS
Direct to
Seven Day Precip
Animation
Precipitation
Geographic
All High Sierra
ZONE & POINT
FORECASTS
All High Sierra
ZONE
FORECASTS
Now
RADAR
SATELLITES
Direct
to
GRAPHICAL INTERFACE
Forecast
Winds? Weather?
NorCal Graphics
Region, SW US
Forecast
Temperatures
Model
Five Day Mean
Low Temps
Click Green "Latest" Model,
observe using step button
All Temps
Let's look at the
Big Picture
Surface Map
The Pacific Ocean
US Weather Map
All Maps
2018
Snowpack & Temps
LAST MONTH
NEXT WEEK
TOP
LAST MONTH
NEXT WEEK
TOP
LAST MONTH
NEXT WEEK
TOP
|
8
DIMINISHING
SNOW
Tropical Transport
Mechanism
Moving South-Dissipating
HIGH
Building In, Pushed South
Warnings
NWS RENO
No Warnings
NWS SACTO
No Warnings
NWS HANFORD
Winter Storm Warning
Informative
"Normal" Vs. Now
Forcasts & Reality
vs.
Averages
Station Reports
FOURTEENTH
--Fall--
Temp Snow Checks
December 8
2019
6PM-6PM
Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.
Last Report:
Dec 6
Next Report:
Dec 12
Tahoe Basin
Watershed
Southwest Tahoe
Trail Map with Stations
PCT-TYT-TRT
Rubicon 32.0 +5.0
(7.70) +2.50
7618 feet
Trail Map
34 & 30 −/−
PCT-TYT-TRT
Echo Peak 41.0 +12
(11.70) +2.70
7652 feet
Stations Map
36 & 29 −/−
American-Yuba Watersheds
PCT-TYT
Carson Pass
50.0 +8
(10.70) +2.10
8388 feet
Trail Map
Stations Map
36 & 28 =/+
Carson-Walker
Watersheds
PCT-TYT
Ebbetts Pass
58.0 +7.00
(11.5) +1.40
8660 feet
Trail Map
38 & 34 +/+
West of PCT
Highlands Meadow
23.05 −2.64
(7.66) +1.5
8360 feet
Trail Map
31 & 25 −/+
EAST FLANK
Leavitt Lake
48.0 +12.0
(10.60) +2.6
9602 feet, East Flank
Trail Map
32
& 22 −/−
EAST FLANK
Marine Base
Cold Weather Training
6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
40 & 21 −/+
Mokelumne-Stanislaus Watersheds
PCT-TYT
Sonora Pass
Kennedy Meadows
RESUPPLY
Deadman Creek
30.06 +4.67
(--.--)
9250 feet,West Flank,
Trail Map
30 & 21 −/+
Tuolumne-Merced
Watersheds
SW of TYT
Horse Meadow
Error =0.4 ???
8602 feet
Trail Map
37 & 20 −/+
Top of List
Tenaya Lake
38.77 +5.9
(1.43) +0.58 ??
8163 feet, West Flank
Trail Map
32
& 20 −/+
JMT-PCT-TYT
Tuolumne Meadows
32.24 +8.27
(1.39) +0.27
8600 feet, West Flank
Trail Map
29
& 18 −/+
Tioga Pass/Dana
3.15 +.95???
(0.32) +0.01
9798 feet
Trail Map
28
& 14 −/−
Mammoth Mountain
Mono Lake-Owens Basin
East of PCT-JMT
Above Gem Lake
Gem Pass (error)
10750 feet
Trail Map
temps bad
JMT-PCT Junction
Devils Postpile
37.52 +4.92
(5.54) +2.81
8004 feet
Trail Map Above
35 & 26 −/+
NE of JMT-PCT
Mammoth Pass
51.88 +11.48
(0.48) = ??
9500 feet
Trail Map
31 & 21 −/−
Top of List
JMT-PCT
E of Bear Ridge
Volcanic Knob
37.10 +7
(0.00) = ??
10100 feet
Trail Map
34 & 21 −/+
East Flank
South Lake Cabin
no snow sensor
(28.20) =0.0
9580 feet, East Flank
Trail Map
35 & 20 −/−
East Flank
Big Pine Sawmill
28.60 +8.7
10200 feet, East Flank
Trail Map Above
27 & 15 −/−
Kings River
Just East JMT-PCT
Bishop Pass (bad)
(0.0) =
11972 feet
Trail Map Above
-- & -- −/− (earlier)
Just West JMT-PCT
Charlotte Lake
38.32 +6.67
10398 feet, West Flank
Trail Map
25 & 14 −/=
(Typically the coldest station)
Kern Watershed
JMT-PCT
Upr Tyndall Creek
37.56 +10.8
11441 feet
Trail Map
26 & 12 −/−
JMT
Crabtree Meadow
14.38 +9.76 error ??
(31.25) +0.96
10,700 feet
Trail Map
29
& 10 −/−
? = questionable data
All High Sierra
Reporting Stations
More Stations, by Watersheds
Top of List
2017
Vast, Persistant Blocking Ridge |
9
WEAK
STORM
Light Showers Late
BEST
FORECASTS
HAZARDS
Precipitation
General
Quantitative Precipitation Forecasts:
ALL
RAIN FORECASTS
&
MODELS
Direct to
Seven Day Precip
Animation
Precipitation
Geographic
All High Sierra
ZONE & POINT
FORECASTS
All High Sierra
ZONE
FORECASTS
Now
RADAR
SATELLITES
Direct
to
GRAPHICAL INTERFACE
Forecast
Winds? Weather?
NorCal Graphics
Region, SW US
Forecast
Temperatures
Model
Five Day Mean
Low Temps
Click Green "Latest" Model,
observe using step button
All Temps
Let's look at the
Big Picture
Surface Map
The Pacific Ocean
US Weather Map
All Maps
|
10
WEAK
STORM
Light Showers
CalTrans
Selected
Weather
Resources
Surface Low Pressure Tracks
Radar
Visible Satellites
Water Vapor Satellites
MAPS
Sierra Forecasts
Western US Forecasts
Precip Animation & Charts
Graphical Precip Forecast
All Sierra Snow Info
Sierra Sensor Networks
Watersheds and Selected Network of Crestline Sensors
High Sierra Highways
All Weather Information
|
11
WEAK
STORM
Light Showers
LAST WEEK
NEXT WEEK
TOP
TOP
LAST WEEK
NEXT WEEK
TOP
2017
Snow Depths & Temps
2017 Calendar |
12
WEAK
STORM
Light Showers
Warm, Humid...
Warnings
NWS RENO
Special Statement
NWS SACTO
Winter Advisory
NWS HANFORD
Winter Advisory
2019
Current Snowpack:
Percent of Average for
December 12.
N Sierra: 96%
Cen. Sierra: 115%
S Sierra: 131%
Ca State: 112%
Last Measurement:
Dec 2 & 5
Next Measurement:
Dec 16
Last Year
Statewide Summary of Snow Water Content PDF
Station Reports
FIFTEENTH
--Fall--
Temp Snow Checks
December 12
2019
10AM-10AM
Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.
Last Report:
Dec 8
Next Report:
Dec 15
Tahoe Basin
Watershed
Southwest Tahoe
Trail Map with Stations
PCT-TYT-TRT
Rubicon 28.0 −4.0
(8.20) +0.50
7618 feet
Trail Map
34 & 30 −/−
PCT-TYT-TRT
Echo Peak 36.0 −5
(12.80) +1.10
7652 feet
Stations Map
39 & 34 +/+
American-Yuba Watersheds
PCT-TYT
Carson Pass
43.0 −7
(11.00) +0.30
8388 feet
Trail Map
Stations Map
38 & 32 +/+
Carson-Walker
Watersheds
PCT-TYT
Ebbetts Pass
51.0 −7.00
(14.8) +3.30
8660 feet
Trail Map
37 & 32 −/−
West of PCT
Highlands Meadow
21.13 −4.56
(8.39) +0.73
8360 feet
Trail Map
35 & 30 +/+
EAST FLANK
Leavitt Lake
43.0 −5.0
(11.10) +0.5
9602 feet, East Flank
Trail Map
36
& 30 +/+
EAST FLANK
Marine Base
Cold Weather Training
6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
44 & 33 +/+
Mokelumne-Stanislaus Watersheds
PCT-TYT
Sonora Pass
Kennedy Meadows
RESUPPLY
Deadman Creek
27.23 −2.83
(--.--)
9250 feet,West Flank,
Trail Map
34 & 29 +/+
Tuolumne-Merced
Watersheds
SW of TYT
Horse Meadow
Error =0.4 ???
8602 feet
Trail Map
35 & 25 −/+
Top of List
Tenaya Lake
36.18 −2.59
(2.53) +1.1
8163 feet, West Flank
Trail Map
40
& 13 +/−
JMT-PCT-TYT
Tuolumne Meadows
28.00 -4.24
(2.18) +0.79
8600 feet, West Flank
Trail Map
40
& 26 +/+
Tioga Pass/Dana
2.72 -.43???
(0.38) +0.06
9798 feet
Trail Map
40
& 16 +/+
Mammoth Mountain
Mono Lake-Owens Basin
East of PCT-JMT
Above Gem Lake
Gem Pass (error)
10750 feet
Trail Map
temps bad
JMT-PCT Junction
Devils Postpile
32.60 −3.07
(5.55) +0.01
8004 feet
Trail Map Above
43 & 32 +/+
NE of JMT-PCT
Mammoth Pass
48.33 −3.55
(0.48) = ??
9500 feet
Trail Map
37 & 28 +/+
Top of List
JMT-PCT
E of Bear Ridge
Volcanic Knob
32.30 −4.8
(0.00) = ??
10100 feet
Trail Map
38 & 29 +/+
East Flank
South Lake Cabin
no snow sensor
(28.50) +0.3
9580 feet, East Flank
Trail Map
46 & 26 +/+
East Flank
Big Pine Sawmill
20.90 −7.7
10200 feet, East Flank
Trail Map Above
38 & 18 +/+
Kings River
Just East JMT-PCT
Bishop Pass (bad)
(0.0) =
11972 feet
Trail Map Above
-- & -- −/− (earlier)
Just West JMT-PCT
Charlotte Lake
31.77 −6.55
10398 feet, West Flank
Trail Map
38 & 29 +/+
(Typically the coldest station)
Kern Watershed
JMT-PCT
Upr Tyndall Creek
28.47 −9.09
11441 feet
Trail Map
38 & 30 +/+
JMT
Crabtree Meadow
5.45 −8.93 error ??
(31.31) +0.06
10,700 feet
Trail Map
42
& 27 +/+
? = questionable data
All High Sierra
Reporting Stations
More Stations, by Watersheds
Top of List
|
13
WEAK
STORM
Light Showers
for
DAYS
HIGH SIERRA
All Snow Info
SNOW STATUS
&
FORECASTS
Direct
Two Day
SNOW FORECAST
Seven Day Forecast
ALL PRECIP TOOLS
REALTIME
High Sierra Crestline
Reporting Stations
Compare Today
with
Snow
&
Temperatures
on
Dec 2 & 6
Nov 27
Nov 20
Nov 16
Nov 9
Nov 2
Oct 28
Oct 14
Sept 29
Sept 25
Aug 16th
2018
Snowpack & Temps
2018
Current Snowpack:
Percent of Average for
December 13.
N Sierra: 64%
Cen. Sierra:92%
S Sierra: 102%
Ca State: 87%
Last Measurement: Dec 5
Statewide Summary of Snow Water Content PDF |
14
CLEARING
Light Showers
Windy
Warnings
NWS RENO
Special Statement
NWS SACTO
Winter Advisory
NWS HANFORD
No Warnings
LAST WEEK
NEXT WEEK
TOP
LAST WEEK
NEXT WEEK
TOP
LAST WEEK
NEXT WEEK
TOP
LAST WEEK
NEXT WEEK
TOP
2017
Clear-ish, calm & gentle, Warm days, cool nights.
Vast, Persistant Blocking Ridge
|
15
CLEARING-CLEAR
Cold
COLD
Days
COLD
Nights
Forecast
Temperatures
Model
Five Day Mean
Low Temps
Click Green "Latest" Model,
observe using step button
All Temps
Station Reports
SIXTEENTH
--Fall--
Temp Snow Checks
December 15
2019
10PM-10PM
Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.
Last Report:
Dec 12
Next Report:
Dec --
Tahoe Basin
Watershed
Southwest Tahoe
Trail Map with Stations
PCT-TYT-TRT
Rubicon 35.0 +7.00
(9.40) +1.20
7618 feet
Trail Map
26 & 19 −/−
PCT-TYT-TRT
Echo Peak 48.0 +12
(15.00) +2.20
7652 feet
Stations Map
28 & 16 −/−
American-Yuba Watersheds
PCT-TYT
Carson Pass
49.0 +6
(11.80) +0.80
8388 feet
Trail Map
Stations Map
28 & 13 −/−
Carson-Walker
Watersheds
PCT-TYT
Ebbetts Pass
56.0 +5.00
(16.1) +1.30
8660 feet
Trail Map
27 & 12 −/−
West of PCT
Highlands Meadow
19.53 −1.6 ??
(8.99) +0.60
8360 feet
Trail Map
24 & 4 −/−
EAST FLANK
Leavitt Lake
50.0 +7.0
(12.50) +1.4
9602 feet, East Flank
Trail Map
24
& 13 −/−
EAST FLANK
Marine Base
Cold Weather Training
6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
34 & 10 −/−
Mokelumne-Stanislaus Watersheds
PCT-TYT
Sonora Pass
Kennedy Meadows
RESUPPLY
Deadman Creek
31.42 +4.19
(--.--)
9250 feet,West Flank,
Trail Map
21 & −1 −/−
Tuolumne-Merced
Watersheds
SW of TYT
Horse Meadow
Error =0.4 ???
8602 feet
Trail Map
28 & −3 −/−
Top of List
Tenaya Lake
41.15 +4.97
(2.53) +0.11 ??
8163 feet, West Flank
Trail Map
21
& 3 −/−
JMT-PCT-TYT
Tuolumne Meadows
29.85 +1.85
(2.68) +0.50
8600 feet, West Flank
Trail Map
28
& −2 −/−
Tioga Pass/Dana
ERROR +ERROR
(0.42) +0.04
9798 feet
Trail Map
21
& 0 −/−
Mammoth Mountain
Mono Lake-Owens Basin
East of PCT-JMT
Above Gem Lake
Gem Pass (error)
10750 feet
Trail Map
temps bad
JMT-PCT Junction
Devils Postpile
31.54 −1.06
(6.71) +1.16
8004 feet
Trail Map Above
30 & 7 −/−
NE of JMT-PCT
Mammoth Pass
50.49 +2.16
(0.48) = ??
9500 feet
Trail Map
25 & 7 −/−
Top of List
JMT-PCT
E of Bear Ridge
Volcanic Knob
33.40 +1.1
(0.00) = ??
10100 feet
Trail Map
25 & 0 −/−
East Flank
South Lake Cabin
no snow sensor
(28.50) =0.0
9580 feet, East Flank
Trail Map
32 & 8 −/−
East Flank
Big Pine Sawmill
20.40 −0.5
10200 feet, East Flank
Trail Map Above
21 & 1 −/−
Kings River
Just East JMT-PCT
Bishop Pass (bad)
(0.0) =
11972 feet
Trail Map Above
-- & -- −/− (earlier)
Just West JMT-PCT
Charlotte Lake
36.04 +4.27
10398 feet, West Flank
Trail Map
16 & 1 −/−
(Typically the coldest station)
Kern Watershed
JMT-PCT
Upr Tyndall Creek
28.05 −0.42
11441 feet
Trail Map
17 & 4 −/−
JMT
Crabtree Meadow
3.82 −1.63 error ??
(31.43) +0.12
10,700 feet
Trail Map
22
& 2 −/−
? = questionable data
All High Sierra
Reporting Stations
More Stations, by Watersheds
Top of List
. |
16
CLEAR
Cold
MAJOR
SNOWPACK
COLD
Days
COLD
Nights
2019
Current Snowpack:
Percent of Average for
December 16.
N Sierra: 99%
Cen. Sierra: 116%
S Sierra: 131%
Ca State: 113%
Last Measurement:
Dec 12
Next Measurement:
Dec 19 -->
Last Year
Statewide Summary of Snow Water Content PDF
LAST WEEK
NEXT WEEK
TOP
Compare Today
with
Snow
&
Temperatures
on
Dec 8 & 12
Dec 2 & 6
Nov 27
Nov 20
Nov 16
Nov 9
Nov 2
Oct 28
Oct 14
Sept 29
Sept 25
Aug 16th
|
17
LIGHT STORM
Late PM
A Bit Warmer
KILLER
!SNOWPACK!
Also See
All
High Sierra Snowpack Data Sources.
Date-Adjustable High Sierra Snowpack Status
Amazing Sat Views
Informative
"Normal" Vs. Now
Forcasts & Reality
vs.
Averages
2018
Snowpack & Temps
2017
Snow Depths & Temps
2017 Calendar |
18
WEAK
STORM
Light Showers
CalTrans
Warnings
NWS RENO
No Warnings
NWS SACTO
Winter Advisory
NWS HANFORD
No Warnings
ZONES
&
HAZARDS
High Sierra
Zone Forecasts
HAZARD
WARNINGS & MAP
LAST WEEK
NEXT WEEK
TOP
|
19
CLEARING
Nice
Mountain Safety
AVALANCHE DANGERS
Winter Backpacking
Considerations
2019
Current Snowpack:
Percent of Average for
December 19.
N Sierra: 92%
Cen. Sierra: 108%
S Sierra: 125%
Ca State: 109%
Last Measurement:
Dec 16
Next Measurement:
Dec 23
Last Year
Statewide Summary of Snow Water Content PDF
|
20
CLEAR & CLOUDY
Nice
Warnings
NWS RENO
Special Wind Statement
NWS SACTO
Winter Advisory
NWS HANFORD
Winter Advisory
LAST WEEK
NEXT WEEK
TOP
2018
Snowpack
Percent of Average for
December 20.
N Sierra: 68%
Cen. Sierra:81%
S Sierra: 89%
Ca State: 80%
Last: Dec 5
Dec 29, 2017
Statewide Summary of Snow Water Content PDF
LAST WEEK
NEXT WEEK
TOP
LAST WEEK
NEXT WEEK
TOP
|
21
Winter Solstice
08:26 PST
More Time
MODERATE
STORM
Late PM
Station Reports
SEVENTEENTH
--Fall--
Temp Snow Checks
December 21
2019
10AM-10AM
Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.
Last Report:
Dec 15
Next Report:
Dec 24
Tahoe Basin
Watershed
Southwest Tahoe
Trail Map with Stations
PCT-TYT-TRT
Rubicon 30.0 −5.00
(9.70) +0.30
7618 feet
Trail Map
45 & 41 +/+
PCT-TYT-TRT
Echo Peak 42.0 −6
(15.40) +0.40
7652 feet
Stations Map
46 & 40 +/+
American-Yuba Watersheds
PCT-TYT
Carson Pass
43.0 −6
(11.90) +0.10
8388 feet
Trail Map
Stations Map
42 & 38 −/−
Carson-Walker
Watersheds
PCT-TYT
Ebbetts Pass
44.0 −12.00
(16.2) +0.10
8660 feet
Trail Map
42 & 36 +/+
West of PCT
Highlands Meadow
18.40 −1.13 ??
(9.77) +0.78
8360 feet
Trail Map
39 & 33 +/+
EAST FLANK
Leavitt Lake
48.0 −2.0
(12.80) +0.3
9602 feet, East Flank
Trail Map
38
& 35 +/+
EAST FLANK
Marine Base
Cold Weather Training
6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
53 & 20 +/+
Mokelumne-Stanislaus Watersheds
PCT-TYT
Sonora Pass
Kennedy Meadows
RESUPPLY
Deadman Creek
25.42 −6.00
(--.--)
9250 feet,West Flank,
Trail Map
41 & 37 +/+
Tuolumne-Merced
Watersheds
SW of TYT
Horse Meadow
Error =0.4 ???
8602 feet
Trail Map
41 & 16 +/+
Top of List
Tenaya Lake
35.55 −5.60
(3.13) +0.6
8163 feet, West Flank
Trail Map
44
& 17 +/+
JMT-PCT-TYT
Tuolumne Meadows
26.80 −3.05
(2.81) −0.13
8600 feet, West Flank
Trail Map
47
& 12 +/+
Tioga Pass/Dana
ERROR −ERROR ?
(0.44) +0.02
9798 feet
Trail Map
40
& 25 +/+
Mammoth Mountain
Mono Lake-Owens Basin
East of PCT-JMT
Above Gem Lake
Gem Pass (error)
10750 feet
Trail Map
temps bad
JMT-PCT Junction
Devils Postpile
28.33 −3.21
(6.71) =0.00
8004 feet
Trail Map Above
47 & 13 +/+
NE of JMT-PCT
Mammoth Pass
47.03 −3.46
(0.48) = ??
9500 feet
Trail Map
44 & 28 +/+
Top of List
JMT-PCT
E of Bear Ridge
Volcanic Knob
30.20 −3.2
(0.00) = ??
10100 feet
Trail Map
43 & 24 +/+
East Flank
South Lake Cabin
no snow sensor
(28.50) =0.0
9580 feet, East Flank
Trail Map
43 & 32 +/+
East Flank
Big Pine Sawmill
18.20 −2.2
10200 feet, East Flank
Trail Map Above
40 & 31 +/+
Kings River
Just East JMT-PCT
Bishop Pass (bad)
(0.0) =
11972 feet
Trail Map Above
-- & -- −/− (earlier)
Just West JMT-PCT
Charlotte Lake
31.19 −4.85
10398 feet, West Flank
Trail Map
40 & 18 +/+
(Typically the coldest station)
Kern Watershed
JMT-PCT
Upr Tyndall Creek
25.48 −2.57
11441 feet
Trail Map
42 & 26 +/+
JMT
Crabtree Meadow
1.35 −2.47 error ??
(31.52) +0.09
10,700 feet
Trail Map
43
& 19 +/+
? = questionable data
All High Sierra
Reporting Stations
More Stations, by Watersheds
Top of List
2018
Snowpack & Temps
|
22
MODERATE
STORM
Through AM
Receeding into PM
LAST WEEK
NEXT WEEK
TOP
2017
COLD WARNING
Low Temps across Crest
|
23
CLOUDY & COOL
HIGH SIERRA
All Snow Info
SNOW STATUS & FORECASTS
Direct
Two Day
SNOW FORECAST
Seven Days
ALL PRECIP TOOLS
2019
Current Snowpack:
Percent of Average for
December 23.
N Sierra: 93%
Cen. Sierra: 105%
S Sierra: 117%
Ca State: 105%
Last Measurement:
Dec 16
Last Year
Statewide Summary of Snow Water Content PDF
Informative
"Normal" Vs. Now
Forcasts & Reality
vs.
Averages
TOP |
24
CLOUDY & COOL
Warnings
NWS RENO
NO WARNINGS
NWS SACTO
NO WARININGS
NWS HANFORD
Southmost Sierra
Winter Storm Warning
Lake Isabella
Station Reports
The
FIRST
--WINTER--
Temp-Snow
Check
December 24
2019
11AM-11AM
Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.
Last Report:
Dec 21
Next Report:
Dec 30
Tahoe Basin
Watershed
Southwest Tahoe
Trail Map with Stations
PCT-TYT-TRT
Rubicon 39.0 +9.00
(10.70) +1.00
7618 feet
Trail Map
31 & 19 −/−
PCT-TYT-TRT
Echo Peak 47.0 +5
(16.50) +1.50
7652 feet
Stations Map
32 & 20 −/−
American-Yuba Watersheds
PCT-TYT
Carson Pass
55.0 +12
(13.30) +1.50
8388 feet
Trail Map
Stations Map
31 & 13 +/+
Carson-Walker
Watersheds
PCT-TYT
Ebbetts Pass
54.0 +10.00
(17.6) +1.50
8660 feet
Trail Map
30 & 20 −/−
West of PCT
Highlands Meadow
24.42 +6.02 ??
(10.44) +0.67
8360 feet
Trail Map
26 & 17 −/−
EAST FLANK
Leavitt Lake
63.0 +15.0
(13.70) +0.9
9602 feet, East Flank
Trail Map
28
& 17 −/−
EAST FLANK
Marine Base
Cold Weather Training
6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
32 & 20 −/+
Mokelumne-Stanislaus Watersheds
PCT-TYT
Sonora Pass
Kennedy Meadows
RESUPPLY
Deadman Creek
30.28 +4.86
(--.--)
9250 feet,West Flank,
Trail Map
26 & 4 −/−
Tuolumne-Merced
Watersheds
SW of TYT
Horse Meadow
Error =0.4 ???
8602 feet
Trail Map
30 & 10 −/−
Top of List
Tenaya Lake
44.57 +9.02
(3.21) +0.08 ??
8163 feet, West Flank
Trail Map
30
& 11 −/−
JMT-PCT-TYT
Tuolumne Meadows
34.55 +7.75
(2.81) =0.00
8600 feet, West Flank
Trail Map
29
& 17 −/+
Tioga Pass/Dana
ERROR +ERROR
(0.44) +0.02
9798 feet
Trail Map
23
& 14 −/−
Mammoth Mountain
Mono Lake-Owens Basin
East of PCT-JMT
Above Gem Lake
Gem Pass (error)
10750 feet
Trail Map
temps bad
JMT-PCT Junction
Devils Postpile
39.46 +11.13
(7.45) +0.74
8004 feet
Trail Map Above
30 & 23 −/+
NE of JMT-PCT
Mammoth Pass
53.37 +6.34
(0.48) = ??
9500 feet
Trail Map
25 & 18 −/−
Top of List
JMT-PCT
E of Bear Ridge
Volcanic Knob
42.40 +12.2
(0.00) = ??
10100 feet
Trail Map
29 & 15 −/−
East Flank
South Lake Cabin
no snow sensor
(28.70) +0.2
9580 feet, East Flank
Trail Map
28 & 13 −/−
East Flank
Big Pine Sawmill
26.10 +7.9
10200 feet, East Flank
Trail Map Above
24 & 8 −/−
Kings River
Just East JMT-PCT
Bishop Pass (bad)
(0.0) =
11972 feet
Trail Map Above
-- & -- −/− (earlier)
Just West JMT-PCT
Charlotte Lake
43.81 +12.62
10398 feet, West Flank
Trail Map
26 &10 −/−
(Typically the coldest station)
Kern Watershed
JMT-PCT
Upr Tyndall Creek
32.03 _6.55
11441 feet
Trail Map
22 & 4 −/−
JMT
Crabtree Meadow
10.37 +6.55 error ??
(32.19) +0.67
10,700 feet
Trail Map
25
& 2 −/−
? = questionable data
All High Sierra
Reporting Stations
More Stations, by Watersheds
Top of List
2017
Persistant Blocking Ridge |
25
LIGHT SHOWERS
Point Forecasts
Cherry Lake Forecast
Lee Vining Forecast
Lake Thomas Edison
Lake Isabella
REALTIME
High Sierra Crestline
Reporting Stations
FALL to WINTER
Compare Today
with
Snow
&
Temperatures
on
Dec 15 & 20
Dec 8 & 12
Dec 2 & 6
Nov 27
Nov 20
Nov 16
Nov 9
Nov 2
Oct 28
Oct 14
Sept 29
Sept 25
Aug 16th |
26
SOCAL & S Sierra
LIGHT SHOWERS
NORCAL CLEAR
Warnings
NWS RENO
Lake Wind Warning
NWS SACTO
NO WARININGS
NWS HANFORD
Southmost Sierra
Winter Advisory
Lake Tahoe Forecast
Lake Isabella Forecast
2019
Current Snowpack:
Percent of Average for
December 26.
N Sierra: 90%
(-3%)
Cen. Sierra: 105%
(=%)
S Sierra: 119%
(+2%)
Ca State: 102%
(-3%)
Last Measurement:
Dec 23
Next Measurement:
Dec 31
Last Year (compare)
Statewide Summary of Snow Water Content PDF
LAST WEEK
NEXT WEEK
TOP
|
27
CLEAR
Warnings
NWS RENO
Special Winter Warning
NWS SACTO
NO WARININGS
NWS HANFORD
Winter Advisory
Warnings for Sunday
Hiking the PCT
in
2020?
From the Trail Guide
The
Earliest, Latest, and Average Start Dates
How Will This Year Stack-Up?
ON THE CALENDAR
Earliest
Start Date
Winter of 2015
Driest in History
Average
Start Date
Winter of 2016
An Average Year
Latest
Start Date
Winter of 2017
Wettest in History
These three years offer the potential range of Weather Conditions within which this year's PCTer,
"Start Date," the date you can reasonably expect to encounter fairly snow-free trails with post-deadly fording conditions will be
determined within.
This date, of course, depends upon your ability to navigate snow at high altitude, along with your ability to cross the various stages of the dangerous thaw waters draining off it.
You can get through before and after the period of high-flow runoff, but not during this phase.
How the conditions of the Winter to Spring
Transition we track this year measures-up to the classic trajectories of these three years cited above will inform potential PCT hikers about the snow/trail conditions along the High Sierra Crest they may reasonably expect to encounter during May, June, and July of this year measure-up against those of the Driest year in history against an Average Year, against the wettest Year in History...
This year of 2020 will fit somewhere between these historic parameters of the record Wettest and record Driest years that happened between
2015 and 2017.
As our seasonal start date for open access to trails along the High Sierra Crest will be adjusted according to the character and trajectory of this year's Winter to Spring Transition, we will watch it carefully.
Advice for
Rookie Hikers wishing to hike the TYT-JMT-PCT
2018
Current Snowpack:
Percent of Average for
December 27, 2018.
N Sierra: 73%
Cen. Sierra:82%
S Sierra: 82%
Ca State: 78%
Previous: 12-20-18
2017
HOT
Days
COLD
Nights |
28
CLEAR
Warnings
NWS RENO
Special Statement
NWS SACTO
Special Statement
NWS HANFORD
Winter Watch
Warnings for Sunday
LAST WEEK
NEXT WEEK
TOP
Point Forecasts
Lake Tahoe Forecast
Cherry Lake Forecast
Lee Vining Forecast
Lake Thomas Edison
Lake Isabella Forecast
BEST
FORECASTS
HAZARDS
Precipitation
General
Quantitative Precipitation Forecasts:
ALL
RAIN FORECASTS
&
MODELS
Direct to
Seven Day Precip
Animation
Precipitation
Geographic
All High Sierra
ZONE & POINT
FORECASTS
All High Sierra
ZONE
FORECASTS
Now
RADAR
SATELLITES
Direct
to
GRAPHICAL INTERFACE
Forecast
Winds? Weather?
NorCal Graphics
Region, SW US
Forecast
Temperatures
Model
Five Day Mean
Low Temps
Click Green "Latest" Model,
observe using step button
All Temps
Let's look at the
Big Picture
Surface Map
The Pacific Ocean
US Weather Map
All Maps
2017
Snow Depths & Temps
2017 Calendar
LAST WEEK
NEXT WEEK
TOP
LAST WEEK
NEXT WEEK
TOP
LAST WEEK
NEXT WEEK
TOP |
29
LIGHT SHOWERS
Informative
"Normal" Vs. Now
Forcasts & Reality
vs.
Averages
LAST WEEK
NEXT YEAR
TOP
2017
Current Snowpack:
Percent of Average for
December 28.
N Sierra: 24%
Cen. Sierra:33%
S Sierra: 23%
Ca State: 27%
Statewide Summary of Snow Water Content PDF |
30
CLEARING
Snow Camping Time
Warnings
NWS RENO
Lake Wind
NWS SACTO
No Warnings
NWS HANFORD
No Warnings
COLD
Days
COLD
Nights
HAZARDS
3-7 DAY HAZARDS
Mountain Safety
AVALANCHE DANGERS
Winter Backpacking
Considerations
Station Reports
The
SECOND
--WINTER--
Temp-Snow
Check
December 30
2019
12 NOON-12 NOON
Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.
Last Report:
Dec 24
Next Report:
Jan 2
Tahoe Basin
Watershed
Southwest Tahoe
Trail Map with Stations
PCT-TYT-TRT
Rubicon 34.0 −5.00
(10.50) −0.20
7618 feet
Trail Map
37 & 30 +/+
PCT-TYT-TRT
Echo Peak 43.0 −4
(16.50) = 0.00
7652 feet
Stations Map
36 & 28 +/+
American-Yuba Watersheds
PCT-TYT
Carson Pass
48.0 −7
(13.60) +0.30
8388 feet
Trail Map
Stations Map
34 & 26 +/+
Carson-Walker
Watersheds
PCT-TYT
Ebbetts Pass
48.0 −6
(17.9) +0.30
8660 feet
Trail Map
33 & 26 +/+
West of PCT
Highlands Meadow
24.01 −0.41
(10.44) =0.0
8360 feet
Trail Map
31 & 24 +/+
EAST FLANK
Leavitt Lake
58.0 −5.0
(14.00) +0.3
9602 feet, East Flank
Trail Map
29
& 23 +/+
EAST FLANK
Marine Base
Cold Weather Training
6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
32 & 20 −/+
Mokelumne-Stanislaus Watersheds
PCT-TYT
Sonora Pass
Kennedy Meadows
RESUPPLY
Deadman Creek
24.44 −5.84
(--.--)
9250 feet,West Flank,
Trail Map
31 & 23 +/+
Tuolumne-Merced
Watersheds
SW of TYT
Horse Meadow
Error =0.4 ???
8602 feet
Trail Map
32 & 22 +/+
Top of List
Tenaya Lake
38.70 −5.87
(3.60) +0.39
8163 feet, West Flank
Trail Map
37 & 21 +/+
JMT-PCT-TYT
Tuolumne Meadows
28.43 −6.12
(2.81) +0.22
8600 feet, West Flank
Trail Map
35
& 17 +/=
Tioga Pass/Dana
ERROR +ERROR
(0.47) +0.03
9798 feet
Trail Map
28
& 18 +/+
Mammoth Mountain
Mono Lake-Owens Basin
East of PCT-JMT
Above Gem Lake
Gem Pass
(error)
10750 feet
Trail Map
temps bad
JMT-PCT Junction
Devils Postpile
34.20 −5.26
(7.67) +0.22
8004 feet
Trail Map Above
37 & 24 +/+
NE of JMT-PCT
Mammoth Pass
50.35 −3.02
(0.48) = ??
9500 feet
Trail Map
31 & 19 +/+
Top of List
JMT-PCT
E of Bear Ridge
Volcanic Knob
36.00 −6.4
(0.00) = ??
10100 feet
Trail Map
30 & 13 +/−
East Flank
South Lake Cabin
no snow sensor
(28.70) =0.0
9580 feet, East Flank
Trail Map
33 & 17 +/+
East Flank
Big Pine Sawmill
25.60 −0.5
10200 feet, East Flank
Trail Map Above
29 & 15 +/+
Kings River
Just East JMT-PCT
Bishop Pass (bad)
(0.0) =
11972 feet
Trail Map Above
-- & -- −/− (earlier)
Just West JMT-PCT
Charlotte Lake
40.06 −3.75
10398 feet, West Flank
Trail Map
24 & 16 −/+
(Typically the coldest station)
Kern Watershed
JMT-PCT
Upr Tyndall Creek
35.84 +3.81
11441 feet
Trail Map
25 & 15 +/+
JMT
Crabtree Meadow
7.24 −3.13 error ??
(32.43) +0.24
10,700 feet
Trail Map
27
& 15 +/+
? = questionable data
All High Sierra
Reporting Stations
More Stations, by Watersheds
Top of List
|
31
CLOUDY & CLEAR
Temperate Day
2019
Current Snowpack:
Percent of Average for
December 31.
N Sierra: 81%
−9% in 5 days!
Cen. Sierra: 94%
−11% in 5 days!
S Sierra: 109%
−10% in 5 days!7
Ca State: 94%
−8% in 5 days!
Last Measurement:
Dec 26
Next Measurement
Jan 2, 2020
Last Year's snowpack
Statewide Summary of Snow Water Content PDF
HIGH SIERRA
SNOW INFO
All Snow Info
SNOW STATUS
&
FORECASTS
THE SNOWPACK
GRAPHICS
Date-Adjustable
High Sierra Snowpack Status
NOAA-NOHRSC
The High Sierra
12-30-19
Selected
Weather
Resources
Surface Low Pressure Tracks
Radar
Visible Satellites
Water Vapor Satellites
MAPS
Sierra Forecasts
Western US Forecasts
Precip Animation & Charts
Graphical Precip Forecast
All Sierra Snow Info
Sierra Sensor Networks
Watersheds and Selected Network of Crestline Sensors
High Sierra Highways
All Weather Information |
1 JANUARY 2020
CLOUDY & CLEAR
Temperate Day
All Temps
Snow Status
followed by
Snow Forecasts
2017
Snow Depths & Temps
2017 Calendar
This Week
TOP
This Week
TOP |
2 JANUARY 2020
CLOUDY & CLEAR
Temperate Day
2020
Current Snowpack:
Percent of Average for
January 2.
N Sierra: 77%
−4% in 2 days.
Cen. Sierra: 90%
−4% in 2 days.
S Sierra: 104%
−5% in 2 days.
Ca State: 90%
−4% in 2 days.
Last Measurement:
Dec 31
Next Measurement:
Jan 6 & 9, 2020
Station Reports
The
THIRD
--WINTER--
Temp-Snow
Check
January 2
2020
7 PM - 7 PM
Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.
Last Report:
Dec 30
Next Report:
Jan 8
Tahoe Basin
Watershed
Southwest Tahoe
Trail Map with Stations
PCT-TYT-TRT
Rubicon 31.0 −3.00
(10.60) + 0.10
7618 feet
Trail Map
41 & 31 +/+
PCT-TYT-TRT
Echo Peak 41.0 −2
(16.60) + 0.10
7652 feet
Stations Map
43 & 30 +/+
American-Yuba Watersheds
PCT-TYT
Carson Pass
45.0 −3
(13.70) +0.10
8388 feet
Trail Map
Stations Map
41 & 27 +/+
Carson-Walker
Watersheds
PCT-TYT
Ebbetts Pass
44.0 −4
(18.0) +0.10
8660 feet
Trail Map
41 & 27 +/+
West of PCT
Highlands Meadow
22.39 −1.62
(10.74) +0.3
8360 feet
Trail Map
38 & 27 +/+
EAST FLANK
Leavitt Lake
56.0 −2.0
(14.10) +0.1
9602 feet, East Flank
Trail Map
38
& 30 +/+
EAST FLANK
Marine Base
Cold Weather Training
6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
52 & 19 +/−
Mokelumne-Stanislaus Watersheds
PCT-TYT
Sonora Pass
Kennedy Meadows
RESUPPLY
Deadman Creek
22.86 −1.58
(--.--)
9250 feet,West Flank,
Trail Map
40 & 29 +/+
Tuolumne-Merced
Watersheds
SW of TYT
Horse Meadow
Error =0.4 ???
8602 feet
Trail Map
42 & 33 +/+
Top of List
Tenaya Lake
35.84 −2.86
(3.68) +0.06
8163 feet, West Flank
Trail Map
46 & 22 +/+
JMT-PCT-TYT
Tuolumne Meadows
27.14 −1.29
(3.23) +0.42
8600 feet, West Flank
Trail Map
46
& 17 +/=
Tioga Pass/Dana
ERROR +ERROR
(0.60) +0.13
9798 feet
Trail Map
39
& 28 +/+
Mammoth Mountain
Mono Lake-Owens Basin
East of PCT-JMT
Above Gem Lake
Gem Pass
(error)
10750 feet
Trail Map
temps bad
JMT-PCT Junction
Devils Postpile
29.52 −4.68
(7.67) =0.00
8004 feet
Trail Map Above
49 & 15 +/−
NE of JMT-PCT
Mammoth Pass
50.88 +0.53
(0.48) = ??
9500 feet
Trail Map
41 & 27 +/+
Top of List
JMT-PCT
E of Bear Ridge
Volcanic Knob
33.50 −2.5
(0.00) = ??
10100 feet
Trail Map
38 & 31 +/+
East Flank
South Lake Cabin
no snow sensor
(28.80) +0.1
9580 feet, East Flank
Trail Map
46 & 20 +/+
East Flank
Big Pine Sawmill
22.80 −2.8
10200 feet, East Flank
Trail Map Above
38 & 18 +/+
Kings River
Just East JMT-PCT
Bishop Pass (bad)
(0.0) =
11972 feet
Trail Map Above
-- & -- −/− (earlier)
Just West JMT-PCT
Charlotte Lake
37.10 −2.96
10398 feet, West Flank
Trail Map
40 & 16 +/=
(Typically the coldest station)
Kern Watershed
JMT-PCT
Upr Tyndall Creek
32.11 −3.73
11441 feet
Trail Map
38 & 24 +/+
JMT
Crabtree Meadow
5.08 −2.16 error ??
(32.43) +0.46
10,700 feet
Trail Map
41
& 24 +/+
? = questionable data
All High Sierra
Reporting Stations
More Stations, by Watersheds
Top of List
2018
2018
January 2
HIGH SIERRA
REPORT
What we're seeing today is one step in a transition between the last and the next in the series of vast, massive cells of persistant High Pressure air that have been covering the West Coast of California (if not the whole West Coast of North America) over the whole month of December.
|
3 JANUARY 2020
REALTIME
High Sierra Crestline
Reporting Stations
FALL to WINTER
Compare Today
with
Snow
&
Temperatures
on
Dec 24
FALL
Dec 15 & 20
Dec 8 & 12
Dec 2 & 6
Nov 27
Nov 20
Nov 16
Nov 9
Nov 2
Oct 28
Oct 14
Sept 29
Sept 25
Aug 16th
Stations
Rubicon
7618 feet
Echo Peak
7652 feet
Carson Pass
8388 feet
Ebbetts Pass
8660 feet
Leavitt Lake
9602 feet
Marine Base
6748 feet East Flank
Deadman Creek
9250 feet
Tuolumne Meadows
8600 feet
Tioga Pass/Dana
9798 feet
Gem Pass
10750 feet
Mammoth Pass
9500 feet
South Lake Cabin
9580 feet
Big Pine Sawmill
10200 feet
Bishop Pass
11972 feet
Charlotte Lake
10398 feet
Upr Tyndall Creek
11441 feet
All High Sierra
Reporting Stations
This Week
TOP |
4 JANUARY 2020
LAST WEEK
NEXT YEAR
TOP
BEST
FORECASTS
HAZARDS
Precipitation
General
Quantitative Precipitation Forecasts:
ALL
RAIN FORECASTS
&
MODELS
Direct to
Seven Day Precip
Animation
Precipitation
Geographic
All High Sierra
ZONE & POINT
FORECASTS
All High Sierra
ZONE
FORECASTS
Now
RADAR
SATELLITES
Direct
to
GRAPHICAL INTERFACE
Forecast
Winds? Weather?
NorCal Graphics
Region, SW US
Forecast
Temperatures
Model
Five Day Mean
Low Temps
Click Green "Latest" Model,
observe using step button
All Temps
Let's look at the
Big Picture
Surface Map
The Pacific Ocean
US Weather Map
All Maps
LAST WEEK
NEXT YEAR
TOP
LAST WEEK
NEXT YEAR
TOP
LAST WEEK
NEXT YEAR
TOP
|