Lake Tahoe Area Weather and Snowpack Information

2/3/10 9:34pm
Active pattern setting up for Tahoe. Current forecast looking good for snow to develop Thursday night-> Friday and again on Saturday. I am going to wait until tomorrow night to get into the details because the forecast is still evolving. First call is about 2'+/- along the TSC as the H2O forecast is tallying to 2.5"+ for the 5day. Snow levels will rise to about 6k on Friday, so snow-2-water ratios will be low, but by Saturday snow levels will drop below 5k bringing the blower. Get the boards waxed because this will be the last decent snow event until mid month. Unfortunately next week isn't going to pan out the way I have been talking, and the way that the models were showing 7days ago. By next week there will be a blocking pattern over the PacNW, which will mean either no snow for us, or a colder, showery pattern with no major accumulations. More on that later. So check back tomorrow as the forecast will be fine tuned and I will have the skinny on this weekend's snow.

Of note, there were three significant avalanches on the East Side in the last week. A large, natural slide outside Big Pine which ran about 3000' and a snowboarder triggered slide in the area of the Four Gables which took him for a good ride. Great to hear that the snowboarder is alive and well. Also, an inbounds avy grabbed a ski patroller at Mammoth recently which resulted in injuries. Just goes to prove that the East Side is a much different beast than Tahoe and correlations on snow conditions and snowpack stability are not a given. Be mindful of this. Avy forecast links are below for Tahoe and the East Side.

More tomorrow.

-PWG
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Current NWS Lake Tahoe Forecast
Lake Tahoe Backcountry Forecast
Lake Tahoe Recreational Forecast
Wind Chill Chart

Forecast Links:
National Weather Service Reno
National Weather Service Sacramento
NWS Reno Discussion
NWS Sacramento Discussion

Radar:
Intellicast Reno
Intellicast San Francisco
PacNW
PacSW

Satellite Imagery:
4km IR Loop
16km IR Loop
Central California 1km Visible
GOES-W 12hr WV
GOES NA 24hr WV
Precipitable Water Loop
Past Week's Estimated Precipitation Totals

Forecasting Tools:
Day 1 QPF
Day 2 QPF
Day 3 QPF
Day 4-5 QPF
5 Day Total QPF
California Nevada River Forecast Center
300mb Jetstream Loop
NCEP & HPC Loops Page
Pennsylvania State University Electronic Map Wall
CPC 6-10 Day Outlook
CPC 8-14 Day Outlook

Remote Data:
NWS Reno Local Mountain Remote Data
NWS Surface Observations
Tahoe City
NASA/JPL-UCD Buoys
Truckee Airport
Central Sierra Snow Lab
Sugar Bowl
Squaw Valley GC
Ward Creek
Rubicon
Sonora Pass
Virginia Lakes
Mammoth Mountain Main Lodge
Mammoth Mountain Summit
Reno Airport

Snow Data:
Sierra Avalanche Center
Sierra Avalanche Center Snowpit Profiles and Field Observations
Snowpit Profile Key
Eastern Sierra Avalanche Center
Avalanche.org
California Department of Water Resources
California Snotel Sites
Snotel Narrative
NOAA NOHRSC Interactive Snow Information
NWS Snowpack Analysis

Donner Summit Snowfall History

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