Killer Sunset at The Sisters near Carson Pass
Lake Tahoe to Mount Whitney: Crown Jewel of the Pacific Crest Trail
Need a Map? Lost Al near Lost Keys Lake
Emigrant Wilderness under Tropical Thunderstorm, September.
Round Top Lake
Whitebarks and Grizzly Peak in Emigrant Wilderness under Tropical Clouds during September 2013
Lost Keys Lake
 

Lake Tahoe to Mount Whitney
Trail Guide, Magazine, & High Sierra Backpacker's Trails and Topics Forums

 


HIGH SIERRA BACKPACKER'S

Calendar

 

February
2020

 

 

Important Seasonal Happenings, Transitions, Events, & Dates
for
High Sierra Backpackers

 

 

Road Conditions, Resupply, Seasonal Transition Concerns, Permit Dates, Weather, Water, and Mosquitoes

 

 

Previous Years
2019

2018

2017

 

ANNUAL
News, Views, & Issues
FEB
2020
High Sierra
News
Winter
of
2020
2020
Natural Meltdown
High Sierra
Backpacking
TOPICS
High Sierra
Backpacking
TRAILS
High Sierra
Backpacking
FITNESS
High Sierra
Backpacking
SKILLS

High Sierra
RESUPPLY
High Sierra
PERMITS
High Sierra
WEATHER
High Sierra
Trail
GUIDE
INDEX
High Sierra
Trail
MAPS
INDEX
High Sierra
Trail
MILES
INDEX
Download
FONT

 

LAST YEAR"S
News
FEB
2019
High Sierra
News
Winter
of
2018
2019
Natural Meltdown

 

     
2020
High Sierra
Backpacking Calendar

2020 INDEX

January         February         March         April         May         June

July         August         September         October         November         December

 

February
2020

Week 1

Week 2

Week 3

Week 4

Week 5

Week 6

TRAILHEAD

Summit City Canyon
Summit City Canyon from Mount Reba.

Backpacking the
UNMAINTAINED TAHOE TO YOSEMITE TRAIL

Above we see the full length of the Tahoe to Yosemite Trail's unmaintained route through Summit City Canyon in the Mokelumne Wilderness laid out at our feet. Note The Sisters in the upper Right hand corner, and Horse Canyon cutting deeply into Summit City Canyon in the upper-middle-left of the image. At the middle-bottom of the image above we can see the stony course of the bottom-end of Summit Creek just above where it enters the North Mokelumne River.

That point is just above where the North Mokelumne Rive begins its passage through its very narrow steep and sheer granite gorge (you gotta read this) just above where it runs past the Enchanted Forest. Below the Enchanted Forest the river runs through an even steeper and deeper cut of the river canyon from the Enchanted Forest to Camp Irene. Camp Irene is where we began this climb to our South up the NW flank of Mount Reba where we get this fantastic view of Summit City Creek's awesome canyon. We can actually see the river-bed rocks cascading down towards Camp Irene in the shot above. See 'em? That's bottom of Summit City Creek just above where it enters the North Mokelumne River.
Below that point we find the steep, deep, and narrow section where the catastrophic Spring Thaw of 1997 pushed up a massive log jam in this bottle-neck of a canyon just above Camp Irene, causing massive destruction in and around the 75 foot deep pool of surging, grinding, smashing timber backed up behind it, which swept away all in its path below it when it finally snapped.

Devastation swept across the landscape and down the river valley which can still be seen and felt today. Less and less each year.

This year's massive rains, snowpack, and thaw activity will further heal those "wounds."

 

UPDATE
Feb 22 2017
This year's vast snowpack may rip the Sierra & most of California a "new one" if present precip trends continue into the rising heat of the Spring Thaw.

Labeled Image

Trail Guide          Map          Miles and Elevations

 

End of January

February 2020

January       February     March       April       May       June     July     August     September       October       November       December

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

 

LAST MONTH

NEXT WEEK

TOP

PRECAUTIONS AND OPPORTUNITY
Some backpackers are observing patterns and trajectory of Winter storms and temps to find Hiking Windows into the
Winter Wonderland.

Others are watching the snow activity/pack to determine when the trails will clear enough to begin their Pacific Crest Trail or John Muir Trail backpacking trips.

2020

?

 

2019
FULL WINTER CONDITIONS

FEBURARY 1
2019
NORMAL-AVERAGE WINTER SNOW

Potentially
Indicating
a
LATE STARTING SPRING SEASON
for
PCT & JMT HIKERS
So Far...

 

2018
FULL WINTER CONDITIONS

2018:
WINTER COLD

The Fall Gear has long been stowed or complimented by the heavy Gear of Winter.

 

What's Going On?
See
November 28 of 2017 Report:
FULL WINTER GEAR REQUIRED

 

 

WINTER of 2018

2018 UPDATE
Weak Snows on the Mountains!

 


All
High Sierra Weather Info

 



Latest Daily Snow Depth Summary

Daily Sierra Snowpack % of Normal pdf

Daily Snow-Water & Percent of Average

 

All Precipitation-Snow Data

All Snow Surveys

SWC & Snow Depth

 

 

 

 

Summer of 2018 Backpacking Plans?
Yosemite-Hoover-Desolation
&
John Muir Trail Hikers:

 

Time to
Order Next Year's Permits!

Reserved permits for June 2018 now available from Yosemite, Hoover, and Desolation Wilderness Areas. In other words, Yosemite, Desolation, and Hoover Wilderness Areas all offer advanced reservations about six months ahead of your desired hiking dates.

This means now is the time to get your JMT permit application, along with other popular hikes, into the Man.

Feb 18
Last year, during 2017, at this point in time I was estimating a powerful, potentially catastrophic Spring Thaw.

We had snow along the Sierra Crest through the whole Summer. Again, each year's thaw depends on the Winter snowpack against the profile of Spring temps and precip.

 


All Permits

Yosemite Permits         Desolation Wilderness

 

 

All Snow Information

December
Road News & Status Links

28 JANUARY 2020

LIGHT SHOWERS
Weak but Cooler

Pattern Note

COOL
Day
S

COLD
Nights

Warming...

2020
Snowpack:
Percent of Average for
January 27

Next: Feb 3

2019
Snowpack:
Percent of Average for
January 28.

N Sierra: 106%
-5% in 4 days!!

Cen. Sierra:106%
-7% in 4 days!

S Sierra: 101%
-7% in 4 days!

Ca State: 105%
-6% in 4 days!

Last Reading
January 24

Statewide Summary of Snow Water Content PDF

2019

 

2017, 28th
Clear Blue Skies,
High off CA Coast

 

 

2016
Sierra approaching season-normal snow and precip for first time in years.

Station Reports
The
EIGHTH

--WINTER--
Temp-Snow
Check

January 28
2020

11 AM - 11 PM

Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.

Last Report:
Jan 23

Next Report:
Feb 3 2020-

Tahoe Basin
Watershed

Southwest Tahoe
Trail Map with Stations

PCT-TYT-TRT
Rubicon
36.0 −1.00
(13.20) +0.80
7618 feet
Trail Map
36 & 30 −/−

PCT-TYT-TRT
Echo Peak
51.0 +1
(20.20) + 1.20
7652 feet
Stations Map
38 & 30 −/−

American-Yuba Watersheds

PCT-TYT
Carson Pass
47.0 +1
(15.10) + 0.30
8388 feet
Trail Map
Stations Map
35 & 20 −/−

Carson-Walker
Watershed
s

PCT-TYT
Ebbetts Pass
51.0 +3
(20.5) +0.70
8660 feet
Trail Map
36 & 28 −/−

West of PCT
Highlands Meadow
19.28
+1.30
(12.36) +0.40
8360 feet
Trail Map
30 & 16 −/−

Top of List

EAST FLANK
Leavitt Lake
65.0 +4.0
(16.00) +0.50
9602 feet, East Flank
Trail Map
35 & 28 −/−

EAST FLANK
Marine Base
Cold Weather Training

6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
49 & 23 −/−

Mokelumne-Stanislaus Watersheds

PCT-TYT
Sonora Pass

Kennedy Meadows
RESUPPLY
Deadman Creek

29.74 +2.59
(--.--)
9250 feet,West Flank,
Trail Map
34 & 19 −/+

Tuolumne-Merced
Watersheds

SW of TYT
Horse Meadow
Error =0.4 ???
8602 feet
Trail Map
42 & 6 /

Top of List

Tenaya Lake
40.43 −0.14
(4.59) +0.52
8163 feet, West Flank
Trail Map
39 & 8 /

JMT-PCT-TYT
Tuolumne Meadows

30.10 +0.72
(4.02) +0.36
8600 feet, West Flank
Trail Map
39 & 5 /

Tioga Pass/Dana
ERROR +ERROR
(1.36) +0.13 ??
9798 feet
Trail Map
33 & 13 /

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
27.10 −2.44
(8.43) +0.21
8004 feet
Trail Map Above
30 & 12 −/

NE of JMT-PCT
Mammoth Pass
51.65 +0.30
(0.48) = ??
9500 feet
Trail Map
40 & 22 −/

Top of List

JMT-PCT
E of Bear Ridge

Volcanic Knob
39.40 0.2
(0.00) = ??
10100 feet
Trail Map
42 & 14 −/

East Flank
South Lake Cabin

no snow sensor
(28.90) =0.0
9580 feet, East Flank
Trail Map
48 & 21 =/+

East Flank
Big Pine Sawmill

20.30 −0.9
10200 feet, East Flank
Trail Map Above
40 & 17 /+

Kings River

Just East JMT-PCT
Bishop Pass
(bad)
(0.0) =
11972 feet
Trail Map Above
-- & -- / (earlier)

Just West JMT-PCT
Charlotte Lake
43.03 ERROR-
10398 feet, West Flank
Trail Map
35 & 11 +/
(Typically the coldest station) WRONG DATE

Kern Watershed

JMT-PCT
Upr Tyndall Creek

34.24 −0.15
11441 feet
Trail Map
33 & 20 −/+

JMT
Crabtree Meadow

X.XX −X.XX error !
(33.20) +0.07
10,700 feet
Trail Map
38 & 15 /

? = questionable data

All High Sierra
Reporting Stations

More Stations, by Watersheds

Top of List

 

29 JANUARY 2020

CLOUDY & SUN
Warmer

Warming...

 

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-Dry Year

Latest
Start Date
Winter of 2017

Wettest in History

When are the trails along the Sierra Crest going to be passable this year?

These three years highlighted above 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. These are the historic limits of wet and dry, with a perfectly average year thrown in-between.

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

More

2018
Weather Notes
TWISTED SEASONS
Hottest & Driest, then Wettest Year Ever, over Three Years

Compare Years

 

30 JANUARY 2020

CLOUDY
&
CLEARING

Warmer

 

 

LAST MONTH

NEXT WEEK

TOP

 

 

2019
Snow Depth & Temps

2018
Snow Depths & Temps

2017
Snow Depth,
24 hour high & low temps

2016
The Dry Month Februar
y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This Week
TOP

31JANUARY 2020

WEAK FRONT
little Precip

 

Informative
"Normal" Vs. Now

Forcasts & Reality
vs.
Averages

 

Point
Forecasts

Lake Tahoe Forecast

Walker Forecast

Sonora Pass Forecast

Cherry Lake Forecast

Lee Vining Forecast

Tuolumne Meadows

Mammoth Pass

Lake Thomas Edison

Lake Isabella Forecast

Move the Map Dot
to
Customize Forecast Point

Trail Maps

 

!!

SEASON-NORMAL SNOW

2019
Current Snowpack:
Percent of Average for
January 31.

N Sierra: 100%
-6% in 3 days!!

Cen. Sierra:102%
-4% in 3 days!

S Sierra: 97%
-4% in 3 days!

Ca State: 100%
-5% in 3 days!

2019

 

2018
Snowpack:

Percent of Average for
January 31.
(Change since Jan 26.)

N Sierra: 29%
(+2%)

Cen. Sierra: 35%
(+0%)

S Sierra: 21%
(-3%)

Ca State: 30%
(+0%)

2018

2017

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This Week
TOP

1

CLOUDY
&
CLEARING

Windy-Cool

 

February 2015
Driest Year in History

February 2016
An Average-Dry Year

February 2017
Wettest Year in History

 

LAST MONTH

NEXT WEEK

TOP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LAST MONTH

NEXT WEEK

TOP

 

 

 

 

 

 

 

 

 

 

 

2016
Above Average
Warmer Temps
&
Higher Humidity

Not a whole lot of strong weather, despite strong El Nino

2016

 

 

 

 

 

 

 

 

 

 

 

 

LAST MONTH

NEXT WEEK

TOP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LAST MONTH

NEXT WEEK

TOP

 

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

2

CLEARING
&
COOL
Decreasing Windy-Cool

 

COOL
Day
S

COLD
Nights

 

 

LAST WEEK

NEXT WEEK

TOP

 

 

 

 

 

 

 

 

 

 

 

 

2018
Snowpack:

Percent of Average for
February 3.
(Change since Jan 31.)

N Sierra: 27%
(-2%)

Cen. Sierra: 30%
(-5%)

S Sierra: 25%
(+4%)

Ca State: 27%
(-3%)

Last
Jan 31, 2018

Statewide Summary of Snow Water Content PDF

2018

 

 

2017
Current Snowpack:
Percent of Average for
February 3.

N Sierra: 145%

Cen. Sierra: 174%

S Sierra: 198%

Ca State: 171%

2017

 


3

CLEAR
&
COOL

Big Blocking Ridge
Patterns Note

Warnings

NWS RENO
NADA

NWS SACTO
Special Cold Statement
Tonight thru Early Wed

NWS HANFORD
NADA in Mountains

 

COLD
Day

COLD
Nights

 

2020
Snowpack:
Percent of Average for
February 3.

N Sierra: 71%
-8% in 7 days

Cen. Sierra: 74%
-8% in 7 days

S Sierra: 62%
-8% in 7 days

Ca State: 67%
-8% in 7 days

Last Reading
January 27

Next Reading
Feburary 10

Statewide Summary of Snow Water Content PDF

 

 

 

 

Station Reports
The
NINTH

--WINTER--
Temp-Snow
Check

February 3
2020

12 PM - 12 PM

Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.

Last Report:
Jan 28

Next Report:
Feb 10

Tahoe Basin
Watershed

Southwest Tahoe
Trail Map with Stations

PCT-TYT-TRT
Rubicon
34.0 −2.00
(13.00)0.20
7618 feet
Trail Map
34 & 11 −/−

PCT-TYT-TRT
Echo Peak
49.0 −2
(20.20) + 1.10
7652 feet
Stations Map
32 & 12 −/−

American-Yuba Watersheds

PCT-TYT
Carson Pass
46.0 −1
(15.00) 0.10
8388 feet
Trail Map
Stations Map
31 & 6 −/−

Carson-Walker
Watershed
s

PCT-TYT
Ebbetts Pass
50.0 −1
(20.6) +0.10
8660 feet
Trail Map
34 & 6 −/−

West of PCT
Highlands Meadow
18.77
−0.51
(11.89) −0.47
8360 feet
Trail Map
26 & 3 −/−

Top of List

EAST FLANK
Leavitt Lake
66.0 +1.0
(16.20) +0.20
9602 feet, East Flank
Trail Map
28 & 1 −/−

EAST FLANK
Marine Base
Cold Weather Training

6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
50 & 16 +/−

Mokelumne-Stanislaus Watersheds

PCT-TYT
Sonora Pass

Kennedy Meadows
RESUPPLY
Deadman Creek

27.43 −2.31
(--.--)
9250 feet,West Flank,
Trail Map
30 &5 −/−

Tuolumne-Merced
Watersheds

SW of TYT
Horse Meadow
Error =0.4 ???
8602 feet
Trail Map
28 & 5 /

Top of List

Tenaya Lake
39.83 −0.6
(4.59) =0.00
8163 feet, West Flank
Trail Map
34 & 4 /

JMT-PCT-TYT
Tuolumne Meadows

29.51 −0.59
(4.02) =0.00
8600 feet, West Flank
Trail Map
36 & 9 /

Tioga Pass/Dana
ERROR +ERROR
(1.59) +0.23 ??
9798 feet
Trail Map
31 & 7 /−

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
23.67 −3.43
(8.65) +0.22
8004 feet
Trail Map Above
39 & 8 +/

NE of JMT-PCT
Mammoth Pass
50.06 −1.59
(0.48) = ??
9500 feet
Trail Map
35 & 2 −/

Top of List

JMT-PCT
E of Bear Ridge

Volcanic Knob
36.40 3
(0.00) = ??
10100 feet
Trail Map
41 & 1 −/

East Flank
South Lake Cabin

no snow sensor
(28.90) =0.0
9580 feet, East Flank
Trail Map
41 & 3 /

East Flank
Big Pine Sawmill

18.90 −1.4
10200 feet, East Flank
Trail Map Above
37 &6 /

Kings River

Just East JMT-PCT
Bishop Pass
(bad)
(0.0) =
11972 feet
Trail Map Above
-- & -- / (earlier)

Just West JMT-PCT
Charlotte Lake
43.03 ERROR-
(71.64)
10398 feet, West Flank
Trail Map
36 &9 +/−
(Typically the coldest station)


Kern Watershed

JMT-PCT
Upr Tyndall Creek

35.01 +0.77
11441 feet
Trail Map
35 &3 +/−

JMT
Crabtree Meadow

X.XX −X.XX error !
(33.07) 0.13
10,700 feet
Trail Map
40 & 1 +/−

? = questionable data

All High Sierra
Reporting Stations

More Stations, by Watersheds

Top of List

4

CRISP-CLEAR
&
COOL

Cold North Wind

Big Blocking Ridge
TRENDS

No Warnings

NWS RENO
NADA

NWS SACTO
NADA

NWS HANFORD
NADA in Mountains

Cold Conditions!

COOL
Day
S

COLD
Nights

 

 

 

LAST WEEK

NEXT WEEK

TOP

 

 

 

!!

ABOVE-AVERAGE SNOW

2019
Current Snowpack:
Percent of Average for
February 4.

N Sierra: 107%
+7% in 4 days!!

Cen. Sierra:117%
+15% in 4 days!

S Sierra: 119%
+22% in 4 days!

Ca State: 115%
+15% in 4 days!

Last Reading
January 31

 

 

Winter of 2018
Big High
Generating Heat

Heat Wave

DROUGHT CONDITIONS EMERGE IN MID-WINTER

United States Drought Monitor: West

High Sierra Weather Page
Drought & Flood

 

 

 

 

 

 

 

2016
THIS YEAR:
NOT TOO COLD AT ALL.

2016

 

 

 

 

 

 

 

 

 

 

 

 

REALTIME
High Sierra Crestline
Reporting Stations
WINTER
2020

Fall to Winter

Compare Today
with
Snow
&
Temperatures

on
Jan 28

Jan 23

Jan 13 & 17

Jan 8

Jan 2

Dec 30

Dec 24

 

 

 

 

 

 

5

CRISP-CLEAR
&
WARMING

 

Seven Day
Freezing Temperature Probability Model

 

 

HIGH SIERRA
SNOW INFO
All Snow Info
SNOW STATUS
&
FORECASTS

THE SNOWPACK
GRAPHICS

Date-Adjustable
High Sierra Snowpack Status

 

NOAA-NOHRSC
The High Sierra
2-4-20


Mountain Safety
AVALANCHE DANGERS

Winter Backpacking
Considerations

 

 

!!

ABOVE-AVERAGE SNOW

2019
Current Snowpack:
Percent of Average for
February 5 .

N Sierra: 111%
+4% in 1 day!!

Cen. Sierra:128%
+11% in 1 day!!

S Sierra: 133%
+14% in 1 day!!

Ca State: 125%
+10% in 1 day!!

2019

 

 

 

 

 

 

 

 

 

 

 

 

This Week
TOP

 

 

 

 

 

 

 

2016
The Dry Month Februar
y

 

2016
5
RECORD
AND
NEAR RECORD

HIGH TEMPS

2016
5
RECORD
AND
NEAR RECORD
HIGH TEMPS

Great
Northeast Pacific Highs deflecting weak storms OUT OF THE SW around the Sierra.

2016

6

CRISP-CLEAR
&
WARM

Big Blocking Ridge
Patterns Note

Big Blocking Ridge
TRENDS

 

MAPS

 

Point
Forecasts

Lake Tahoe Forecast

Walker Forecast

Sonora Pass Forecast

Cherry Lake Forecast

Lee Vining Forecast

Tuolumne Meadows

Mammoth Pass

Lake Thomas Edison

Lake Isabella Forecast

Move the Map Dot
to
Customize Forecast Point

Trail Maps

 

 

 

2019
Snow Depth & Temps

2018
Snow Depths & Temps

2017
Snow Depth,
24 hour high & low temps

2016
Snow Depths & Temps

 

 

 

 

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

 

 

 

This Week
TOP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This Week
TOP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This Week
TOP

7

CLEAR
&
WARM

Big Blocking Ridge

 

 

 

Bookends of Extremity
2015 & 2017

Driest Year in History?
2015

2015 was the driest year in my life observing the Sierra, California, Nevada, and the Southwest, and likely across all of modern history, requiring a punch deep back into Ancient history to find its equal.

I had just started keeping the calendar in 2015, and did not specifically start noting the lack of snow across February, not until March, and we can see how it was ALL gone by the First of May.

2015
Earliest
PCT Launch EVER

Bloom was resupplying PCT hikers in May, 2015, unprecedentedly early.

Extremes

2015 was an extreme example of a West Coast Drought during these drying and warming times.

 

 

2017
WETTEST YEAR
LATEST
PCT LAUNCH EVER

The incredible dryness of 2015 was quickly followed by the deluges of 2017, which presented us with a three year streak where we recorded both the wettest and driest years in modern history within a rapid three-year succession.

What does This Mean
in
2019 ?

These recent-past extremes are indicative of a system, more specifically, our region of the planatary weather system, that's out of, "wack."

Extremes
are the
New Normal

I'd say we are still looking at a system that will continue to produce extreme results, as the ancient balances that centered and held the range of our traditional weather patterns continue to break down from the inside-out, and the outside-in.

Not only are extreme events possible, they have become likely.

2020:
Anything can happen,
though I am thinking a very early opening of the Sierra is quite possible, even likely, in my view.

 

 

 

 

 

LAST WEEK

NEXT WEEK

TOP

8

CLEAR
&
WARM

Big Blocking Ridge

 

 

 

LAST WEEK

NEXT WEEK

TOP

 

 

Informative
"Normal" Vs. Now

Forcasts & Reality
vs.
Averages

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LAST WEEK

NEXT WEEK

TOP

 

 

 

 

 

 

 

2017
No information about a 2017 ADZPCTKO

2017
PM:
Big Tropical Flow out of
SW hits the Coast of Ca.

PM:
Raining across
Sierra Crest
Most stations above freezing to 40 degrees

ALL STORMS THIS SEASON HAVE COME OUT OF THE WEST & SOUTHWEST: Warm Storms...

Oroville Dam Crisis News

 

 

2016
ADZPCTKO

"PLANNING STAGES"
2016

TWO EVENTS
IN
2015
April 22-24
April 24-26

I bet it will be later this year, or PCTers will hit snow in the Sierra...
NONE IN 2016

 

 

 

 

 

 

 

 

 

 

 

 

 

LAST WEEK

NEXT WEEK

TOP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LAST WEEK

NEXT WEEK

TOP

 

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

9

CLEAR, WARM
&
WINDY

Big Blocking Ridge
Daytime:
Warm @ Low Altitude
Cold @ High Altitude

MAPS

Warnings

NWS RENO
NE SIERRA WIND
Today thru Early Mon

NWS SACTO
N SIERRA WIND
Tonight thru Early Mon

NWS HANFORD
NADA in Mountains

NWS VEGAS
E. SIERRA FLANK WIND
thru Early Mon

 

COLD
Day
At Elevation...

COLD
Night

 

 

 

Seven Day
Freezing Temperature Probability Model

 

 

HIGH SIERRA
SNOW INFO
All Snow Info
SNOW STATUS
&
FORECASTS

THE SNOWPACK
GRAPHICS

Date-Adjustable
High Sierra Snowpack Status

 

NOAA-NOHRSC
The High Sierra
2-9-20


Mountain Safety
AVALANCHE DANGERS

Winter Backpacking
Considerations

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2016
Record Level Temps

High Heat and Humidity...

Plum and Cherry trees blossoming at Sea Level.

2016
The Dry Month Februar
y

 

10

CLEAR & WARM
Warming

COLD
Nights

Note that many stations remained below freezing for last 24 hours.

Warnings

NWS RENO
NE SIERRA WIND
To 4PM Today

NWS SACTO
N SIERRA WIND
To 4PM Today

NWS HANFORD
NADA in Mountains

NWS VEGAS
E. SIERRA FLANK WIND
To 4PM Today

 

2020
Snowpack:
Percent of Average for
February 10.

N Sierra: 64%
-7% in 7 days

Cen. Sierra: 58%
-16% in 7 days

S Sierra: 56%
-6% in 7 days

Ca State: 60%
-7% in 7 days

Last Reading
Feb 3

Statewide Summary of Snow Water Content PDF

 

 

Station Reports
The
TENTH

--WINTER--
Temp-Snow
Check

February 10
2020

10 AM - 10 AM

Below: Watershed Snow Water Content Charts followed by individual reporting station's Snow Depth and 24 hour high-low temps.

Last Report:
Jan 3

Next Report:
Jan 2020-

Tahoe Basin
Watershed

Southwest Tahoe
Trail Map with Stations

PCT-TYT-TRT
Rubicon
38.0 +4.00
(13.20) + 0.20
7618 feet
Trail Map
35 & 19 +/+

PCT-TYT-TRT
Echo Peak
44.0 −5
(21.20) + 1.00
7652 feet
Stations Map
33 & 18 +/+

American-Yuba Watersheds

PCT-TYT
Carson Pass
45.0 −1
(15.10) +0.10
8388 feet
Trail Map
Stations Map
30 & 15 −/+

Carson-Walker
Watershed
s

PCT-TYT
Ebbetts Pass
44.0 −6
(20.7) +0.10
8660 feet
Trail Map
30 & 13 −/+

West of PCT
Highlands Meadow
15.43
−3.34
(12.20) +0.31
8360 feet
Trail Map
30 & 26 +/+

Top of List

EAST FLANK
Leavitt Lake
61.0 −5.0
(16.30) +0.10
9602 feet, East Flank
Trail Map
25 & 11 −/+

EAST FLANK
Marine Base
Cold Weather Training

6748 feet East Flank
Trail Map Above
FULL REPORT
VIS-CHIL-WEA-MB-
WIND
30 & 21 /+

Mokelumne-Stanislaus Watersheds

PCT-TYT
Sonora Pass

Kennedy Meadows
RESUPPLY
Deadman Creek

25.27 −2.16
(--.--)
9250 feet,West Flank,
Trail Map
29 & 12 −/+

Tuolumne-Merced
Watersheds

SW of TYT
Horse Meadow
Error =0.4 ???
8602 feet
Trail Map
28 & 15 =/+

Top of List

Tenaya Lake
38.49 −1.34
(4.60) +0.01
8163 feet, West Flank
Trail Map
32 & 15 /+

JMT-PCT-TYT
Tuolumne Meadows

28.33 −1.18
(4.05) +0.03
8600 feet, West Flank
Trail Map
34 & 13 +/+

Tioga Pass/Dana
ERROR +ERROR
(1.65) +0.06 ??
9798 feet
Trail Map
28 & 5 /+

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
19.70 −3.97
(8.65) =0.00
8004 feet
Trail Map Above
32 & 20 −/+

NE of JMT-PCT
Mammoth Pass
48.00 −2.06
(0.56) = +.08
9500 feet
Trail Map
19 & 9 −/+

Top of List

JMT-PCT
E of Bear Ridge

Volcanic Knob
36.10 0.3
(0.00) = ??
10100 feet
Trail Map
22 & 9 −/+

East Flank
South Lake Cabin

no snow sensor
(28.90) =0.0
9580 feet, East Flank
Trail Map
28 & 2 /+

East Flank
Big Pine Sawmill

17.70 −1.2
10200 feet, East Flank
Trail Map Above
24 &1 /+

Kings River

Just East JMT-PCT
Bishop Pass
(bad)
(0.0) =
11972 feet
Trail Map Above
-- & -- / (earlier)

Just West JMT-PCT
Charlotte Lake
43.03 ERROR-
(71.93) +0.29
10398 feet, West Flank
Trail Map
24 & 11 /+
(Typically the coldest station)


Kern Watershed

JMT-PCT
Upr Tyndall Creek

34.57 −0.44
11441 feet
Trail Map
19 & 6 /+

JMT
Crabtree Meadow

X.XX −X.XX error !
(33.00) 0.07
10,700 feet
Trail Map
21 & 9 /+

? = questionable data

All High Sierra
Reporting Stations

More Stations, by Watersheds

Top of List

 

11

CLEAR & HOT
Records in Calif

COLD
Nights

 

LAST WEEK

NEXT WEEK

TOP

 

 

 

Last Day

CCC
Backcountry Trail Crew

Applications due
RECOMENDED:
BACKCOUNTRY TRAIL CREW

 

 

 

 

 

 

 

 

 

Last 100% Reading
December 26, 2019

 

 

Winter of 2018

High Pressure Heatwave Broken-Weakened
HIGH PRESSURE ZONE MOVES NORTHWEST:
A weak Low dragging a weak Cold Front tracked Southeast around this High's Northern end, and down its Norheast flank, finally bringing cloud cover and very light precip to the Sierra with the front, and cold air coming in behind the Cold Front.

Temps down about ten degrees.

 

 

 

 

 

 

 

 

 

 

2017
(Feb 10)
Clearing & Drying After nine days of various degrees of precip...

Snow Depth,
24 hour high & low temps.

Carson Pass 130"
(36.00" H2O)
41 & 31
Ebbetts Pass 150"
40 & 30

2017

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2016
VERY HOT
(Feb 10)
Echo Summit,
Carson Pass,
Ebbetts Pass,
Sonora Pass

2016

12

CLOUDY
Cooler

COLD
Nights

Seven Day
Freezing Temperatures
Probability Model

 

HIGH SIERRA
SNOW INFO
All Snow Info
SNOW STATUS
&
FORECASTS

THE SNOWPACK
GRAPHICS

Date-Adjustable
High Sierra Snowpack Status

 

NOAA-NOHRSC
The High Sierra
2-9-20


Mountain Safety
AVALANCHE DANGERS

Winter Backpacking
Considerations

 

 

 

 

 

 

 

2018
Snow Depths & Temps

2018
Snowpack:

Percent of Average for
February 12.
(Change since Feb 3.)

N Sierra: 17%
(-10%)

Cen. Sierra: 24%
(-7%)

S Sierra: 17%
(-10%)

Ca State: 17%
(-13%)

2018

 

 

 

 

Next 2017 Measure
March 1.

 

 

 

 

 

 

This Week
TOP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This Week
TOP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

CLOUDY
Cooler

COLD
Nights

Big Blocking Ridge
Patterns Note

Big Blocking Ridge
TRENDS

MAPS

 

 

Point
Forecasts

Lake Tahoe Forecast

Walker Forecast

Sonora Pass Forecast

Cherry Lake Forecast

Lee Vining Forecast

Tuolumne Meadows

Mammoth Pass

Lake Thomas Edison

Mount Whitney-Lone Pine

Lake Isabella Forecast

Move the Map Dot
to
Customize Forecast Point

Trail Maps

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2017
High Overcast, Altocumulus leading edge (?), & High Pressure Zone dropping South, Dry

Oroville Dam Crisis News

Oroville predicted to see 7.6 inches of precip next 7 days.

All Precip Forecasts, Averages, & Anomalies.

California Major Reservoir current and historical levels

2017
Plum and Cherry trees blossoming at Sea Level.

2017

 

 

 

 

 

 

 

 

LAST WEEK

NEXT WEEK

TOP

 

14

CLOUDY
&
CLEARING

 

 

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 WEEK

TOP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This Week
TOP

15

CLOUDY

 

LAST WEEK

NEXT WEEK

TOP

 

 

 

 

 

 

 

 

 

2019
Current Snowpack:
Percent of Average for
February 15.

N Sierra: 125%
+1% in 1 day

Cen. Sierra:147%
+8% in 1 day

S Sierra: 149%
+7% in 1 day

Ca State: 141%
+5% in 1 day

2019

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2017
Snow & Temp Report

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2016
Presidents' Day
RECORD, or NEAR
RECORD HOT TEMPERTURES
Heat continues since the beginning of the month.

2016

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LAST WEEK

NEXT WEEK

TOP

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

16

WEAK FRONT
CLOUDY

Warm

 

 

LAST WEEK

NEXT WEEK

TOP

 

17

PRESIDENTS' DAY

CLOUDY
to
CLEAR

Warm

Late Spring-Like

Big Blocking Ridge
Patterns Note

Big Blocking Ridge
TRENDS

MAPS

 

 

18

 

 

Hiking the PCT
in
2020?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2018
Snow Depths & Temps

2017
Snow & Temp Report

2016
RECORD, or NEAR RECORD HOT TEMPERTURES.
Heat continues since the beginning of the month.

19

YOSEMITE FIREFALL

 

 

 

 

2019
Current Snowpack:
Percent of Average for
February 19.

N Sierra: 127%
+2% in 4 days

Cen. Sierra:154%
+7% in 4 days

S Sierra: 152%
+3% in 4 days

Ca State: 146%
+5% in 4 days

Last Reading
Feb 15

2019

 

 

YOS FIREFALL TIME

Yosemite Natural Firefall

History of,...

History
Tourist Fire Version

 

20

 

 

Informative
"Normal" Vs. Now

Forcasts & Reality
vs.
Averages

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This Week
TOP

21

 

 

 

 

 

 

 

 

 

 

 

 

 

2017 Calendar:
The 18th

News of Note
Feb 2017:

Record Precip

Record Snopack

State fully saturated

Oroville Dam Crisis

 

22

 

LAST WEEK

NEXT WEEK

TOP

 

Point
Forecasts

Lake Tahoe Forecast

Walker Forecast

Sonora Pass Forecast

Cherry Lake Forecast

Lee Vining Forecast

Tuolumne Meadows

Mammoth Pass

Lake Thomas Edison

Mount Whitney-Lone Pine

Lake Isabella Forecast

Move the Map Dot
to
Customize Forecast Point

Trail Maps

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LAST WEEK

NEXT WEEK

TOP

 

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

23

 

LAST WEEK

NEXT WEEK

TOP

 

 

 

 

2018
Snow Depths & Temps

2017
Snow Depths & Temps

 

 

 

 

 

 

 

2016
Carson Pass
53 & 28 degrees
26 inches

Ebbetts Pass
54 & 33 degrees
63 inches

Sonora Pass
53 & 27 degrees
55 inches

Tuolumne Meadows
55 & 14 degrees
51 inches

 

 

24

 

25

 

 

 

 

 

 

 

 

 

2018
Snow Depths & Temps

 

2018
Snowpack:

Percent of Average for
February 22.
(Change since Feb 12.)

N Sierra: 17%
(=)

Cen. Sierra: 23%
(-1%)

S Sierra: 19%
(+2%)

Ca State: 19%
(+2%)

2018

 

 

 

 

26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This Week
TOP

27

 

 

 

 

 

2019
Current Snowpack:
Percent of Average for
February 27.

N Sierra: 147%
+20% in 2 days

Cen. Sierra:154%
+0% in 2 days

S Sierra: 146%
+2% in 2 days

Ca State: 151%
+5% in 2 days

Last Reading
Feb 25

2019

28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2016
Another
Summer-like day,
Humid Clouds-Near Record Temps

2016

29

 

LAST WEEK

NEXT WEEK

TOP

 

 

 

 

 

 

 

 

 

 

 

2016
Another
Summer-like day,
Humid Clouds-Near Record Temps

 

 

 

LAST WEEK

NEXT WEEK

TOP

 

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1 MARCH 2020

 

LAST WEEK

NEXT MONTH

Top

 

 

 

 

2019
Current Snowpack:
Percent of Average for
March 1.

N Sierra: 152%
+5% in 2 days

Cen. Sierra:156%
+2% in 2 days

S Sierra: 147%
+1% in 2 days

Ca State: 153%
+2% in 2 days

2019

2018
Snowpack:

Percent of Average for
March 1.
(Change since Feb 24.)

N Sierra: 20%
(+3%)

Cen. Sierra: 27%
(+4%)

S Sierra: 22%
(+3%)

Ca State: 24%
(+5%)

2018

 

 

2018, End of Feb
Snow Depths & Temps

2017 March
Snow Depths & Temps

2017
Current Snowpack:
Percent of Average for
March 1.

N Sierra: 159%

Cen. Sierra: 191%

S Sierra: 201%

Ca State: 185%

2017

2016
Snotel Station Reports Current Snow Depth
Carson Pass
47 & 26 degrees, 64"

Ebbetts Pass
49 & 30 degrees, 58"

Sonora Pass
48 & 30 degrees, 50''

Tuolumne Meadows
23 & 53 degrees, 43"

February of 2016

 

2 MARCH 2020

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2018, Start o March
Snow Depths & Temps

 

 

 

 

 

 

 

 

 

 

3 MARCH 2020

 

 

 

 

Deep Snow in the Mountains, Spring on the Horizon...

I'm Pumped. Am I ready?
I Want Skittles!

Navigation
&
Snow

 

4 MARCH 2020

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This Week
TOP

5 MARCH 2020

 

 

 

 

Tropical
Transport
Mechanisms

"Atmospheric Rivers"

About
TTMs
Tropical Transport Mechanisms

TTM
FORECASTS

Seven Day TTM Landfall

 

 

 

 

 

 

 

 

 

2018
Snowpack:

Percent of Average for
March 5.
(Change since Feb 1.)

N Sierra: 30%
(+10%)

Cen. Sierra: 43%
(+16%)

S Sierra: 37%
(+15%)

Ca State: 37%
(+13%)

2018

6 MARCH 2020

 

 

 

 

7 MARCH 2020

 

LAST WEEK

NEXT MONTH

Top

 

 

 

 

 

 

 

2019
Current Snowpack:
Percent of Average for
March 7.

N Sierra: 158%
+5% in 3 days

Cen. Sierra: 164%
+5% in 3 days

S Sierra: 161%
+12% in 3 days

Ca State: 161%
+6% in 3 days

Last Reading
March 4

Compare this Winter, first with Feb 3 during the record year of 2017, Above, the first of March, to our left, and
April 1st of 2017,
.

2019

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LAST WEEK

NEXT MONTH

Top

Top of Page

End of Jan

 

2020

January        February       March       April       May       June

July     August     September       October       November       December

 

2014 Calendar          2015 Calendar

2016 Calendar          2017 Calendar

2018 Calendar

2019 Calendar

 

Classic Feb
NOTES

Short days and long cold nights are the bookends within which we plan our Winter backpacking trips.

High Sierra SNOW trips can be followed up by exciting trips into the moderate Winter Climate of Death Valley. Best time to see DV.

2019

February started strong, with Sierra Snowpack hitting 100% of normal on Jan 31st, and up to 146% by the 19th, and 151% by the 27th!

Feb Snowpack
100% on Feb 1

151% on Feb 27

2019 is pulling within range of the epic snow year of 2017.

A Late PCT-TYT year

 

2018

Feb 3, 27% snowpack

An Early PCT-TYT year

Started with a heat wave, ended with a cold streak Storms in March, and cool weather, saved what would have otherwise been a dreadful water year, improving it up to a very weak year.

 

 

2017

Feb 3, 198% snowpack

March 1, 185% snowpack

A Late PCT-TYT year

This 2017 High Sierra backpacking and backpacker's Calendar notes important hiking dates as our seasons progress to compare current and recent historical weather to determine the best gear for the conditions. We also track the expected against the actual dates our resupply locations and the trans Sierra highways that feed them open and close. We also include permit reservation timing reminder information for those who seek hard to get permits from Yosemite and Hoover Wilderness Areas.

The Seasonal Backpacker

Nature of season.

Seasonal hopes…

If so, our goals, our speed, and our expectations have fully shifted into Winter Mode.

Our changing inner perspective ideally matches external environmental changes.

May your perspective always complement your environment, and visa-versa.

 

2014 Calendar          2015 Calendar

2016 Calendar          2017 Calendar

2018 Calendar

2019 Calendar

 

The Classic Feb. Question
Piercing Cold this month or just “Normal" Cold?

2016 Answer:
Hot as heck 1st through the 15th. No Cold.

2017 Answer:
Vast Rain and Snowfall from tropical sources typically bring wet, heavy, snow to the Sierra that is subject to chances of of being subjected to rainfall across the Sierra Crest. So it has been during 2017.

Therefore this season could be catagorized as having "warm" Winter conditions, despite the occasional plunges in temps we've seen a couple of times this Winter.

Last year's warmth during Feb was Summer-like, having little resemblence to typical "Wintertime" temps and weather patterns. The Winter heat of 2015 was even more abberent.

This year we are having real Wintertime conditions for the first time since the Winter of 2010-2011, yet this year's temps strike me as being a bit "warm" for typical Winter conditions.

The Classic Feb. Question
Heavy Snow Storms or None at All?

2017 Answer:
Feb. 15 Report
We have gotten pounded with record precip & snow.

Early Implications

1> Not an early start year for PCT-JMT hikers.

2> Potentially dangerous fording and trail conditions Spring & early in Summer.

3> Moist conditions all Summer long feeding mosquitoes all Summer long.

 

2016 Answer:
Feb. 15 Report
No Storms of significance to 15th.
No real storms hitting the Sierra for over two weeks, snow looking funky, coming apart, but high humidity bringing light snow when temps drop...
Snowpack retreating.

2017 Answer:
Adding Complexity
La Nina.

Weakening as of Jan 25. Diminishing, maybe ending...

 

 

 

I am hoping my frostbite/heart is recovered enough to resume my annual Christmas-New Year Snow Camping Triangle at the end of 2016.

From Meyers to Round Lake to Showers Lake to Round Top Lake and back to Meyers is my traditional December 25 Christmas present to myself.

The terrain, the joy of navigation and route finding the snow-covered beauty of the High Sierra during Winter is a special experience well worth the efforts and hazards.

Happy Trails!

Tahoe to Whitney

Top of Page

January         February         March         April         May         June

July         August         September         October         November         December

 

2014 Calendar          2015 Calendar

2016 Calendar          2017 Calendar

2018 Calendar

2019 Calendar

 

Trailhead
 
Contact
Alex Wierbinski

top of page

Lake Tahoe to Mount Whitney

Your guide to backpacking the Sierra Crest, including the Tahoe to Yosemite, Pacific Crest, and John Muir Trails

top of page

© 2017 Lake Tahoe to Mount Whitney: Crown Jewel of the Pacific Crest Trail