Saturday, February 20, 2010
More dust for your crust
Lake Tahoe Area Weather and Snowpack Information
2/20/10 6:23pm
Today paints another picture as to what the weather will do. In a nutshell, the GFS is not as bullish about this up coming week's precip chances compared to yesterday, the H2O forecast for the next three days is down but the bright spot is the CPC 6-10 & 8-14 day outlooks show below average temps and above average precip for the Tahoe Sierra. The CPC also shows heavy rain and snow for CA on 2/22&23. Good to see the potential, although there is still uncertainty as to what next week will bring. I don't think we will see realization of my 18-24" call from last post by Tuesday. 1'+/- is more reasonable when factoring the latest guidance. When we get a better picture of Tuesday's/Wednesday's storm, then we might total 18-24" from today as H2O totals will near 2".
Tonight will feature snow showers dropping down from the North as low pressure moves closer to the Central/ Southern CA coastline. Winds are currently SW gusting 30-40mph+ along the ridges. Temps have stayed in the 20s @ 8k, so the snowpack is well frozen at this point after such a warm week. We might see a burst of moderate snow tonight, but the coverage will be isolated. Some portions of North Lake Tahoe will see 4" while others might see 8". Snow showers have been more common along the SW side of Tahoe today, and is currently showing the most returns.
Tonight winds will gust to 50mph from the SW, switching NW and eventually E by early Monday. Expect wind speeds to diminish as Sunday turns to Monday. Highs will be in the 30s in Truckee, 20s @ 8k for the next few days. As it stands right now, snow showers are possible along the TSC each day all week due to favorable orographic flow into the Sierra . A warm up will occur mid week before the possibility of a more powerful storm late next week. Stay tuned, this will be an interesting and active week.
-PWG
-------------------------------------------------------------------------------------------------
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
Brought to you by http://www.porterstahoe.com/
2/20/10 6:23pm
Today paints another picture as to what the weather will do. In a nutshell, the GFS is not as bullish about this up coming week's precip chances compared to yesterday, the H2O forecast for the next three days is down but the bright spot is the CPC 6-10 & 8-14 day outlooks show below average temps and above average precip for the Tahoe Sierra. The CPC also shows heavy rain and snow for CA on 2/22&23. Good to see the potential, although there is still uncertainty as to what next week will bring. I don't think we will see realization of my 18-24" call from last post by Tuesday. 1'+/- is more reasonable when factoring the latest guidance. When we get a better picture of Tuesday's/Wednesday's storm, then we might total 18-24" from today as H2O totals will near 2".
Tonight will feature snow showers dropping down from the North as low pressure moves closer to the Central/ Southern CA coastline. Winds are currently SW gusting 30-40mph+ along the ridges. Temps have stayed in the 20s @ 8k, so the snowpack is well frozen at this point after such a warm week. We might see a burst of moderate snow tonight, but the coverage will be isolated. Some portions of North Lake Tahoe will see 4" while others might see 8". Snow showers have been more common along the SW side of Tahoe today, and is currently showing the most returns.
Tonight winds will gust to 50mph from the SW, switching NW and eventually E by early Monday. Expect wind speeds to diminish as Sunday turns to Monday. Highs will be in the 30s in Truckee, 20s @ 8k for the next few days. As it stands right now, snow showers are possible along the TSC each day all week due to favorable orographic flow into the Sierra . A warm up will occur mid week before the possibility of a more powerful storm late next week. Stay tuned, this will be an interesting and active week.
-PWG
-------------------------------------------------------------------------------------------------
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
Brought to you by http://www.porterstahoe.com/
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