Sunday, February 28, 2010
Riding is great and about to get deeper!
Lake Tahoe Area Weather and Snowpack Information
2/28/10 9:50pm
Active pattern to continue this next week as Tahoe should see two storm systems. Dropping from the GofAK, low pressure will bring winds and precip Tuesday and again Wednesday. Tuesday will feature snow levels ~5500' while on Wednesday snow levels drop 1k. The Northern and Central Sierra look to be favored this go around. Still, snowfall totals will be moderate, 1-2' above 7000' with a few inches at lake level. Another round of snow seems probable for Friday-Sunday. This system should be colder than Wednesday, with snow levels ~4500'. Models are showing different solutions for the weekends storm, both in timing and also intensity. On the low end, another 1-2' while the high end would be 3-4' with snow showers tapering Sunday. This next week looks to be good regardless. Still beyond there is a possibility of another system 3/11->3/15. Let's not ge ahead of ourselves.
Today was a good one. High temps in the 40s in Truckee and mid 30s @ 8k. Winds were non existent through most of the day but by 5pm the N-NE breeze picked up and cooled temps off quickly at upper elevations. Mammoth had a different day with temps in the teens @ 10k, and a still N-NE wind gusting to 58mph around 2pm. On Mt Rose @ 2pm there was barely a measurable wind.
Monday will be fair and warm as temps reach 50F in Truckee, 40F @ 8k. Clouds will be on the increase as the day goes. SE winds will switch S and increase as well. Low pressure will bring precip to the Tahoe Basin by midday Tuesday. There will be another colder round on Wednesday. Showers could possibly linger into Thursday as the trough reloads with another system for the weekend. Winds will get quite gusty on Tuesday lasting into Wednesday. Temps in Truckee will drop back into the 30s, 20s @8k.
All of this is subject to revision tomorrow when a completely different scenario is likely.
As for the snow. My best advice is to go as high as you can and stay out of the sun. It is March now and the sun angle is getting higher by the day. Late yesterday and again today intense solar radiation torched the snow. Anything that has seen sun has a breakable crust. Aspects that were sheltered from last night's N-NE breeze and has not seen any sun are skiing great. Unfortunately snow under 7500' was extremely wet on Saturday and has become melt/freeze mank. Tomorrow this lower elevation snow might ski better, but when the goods exist on high elevation N-NE aspects, there is no need to screw around. There is once again great snow to be ridden.
-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/
2/28/10 9:50pm
Active pattern to continue this next week as Tahoe should see two storm systems. Dropping from the GofAK, low pressure will bring winds and precip Tuesday and again Wednesday. Tuesday will feature snow levels ~5500' while on Wednesday snow levels drop 1k. The Northern and Central Sierra look to be favored this go around. Still, snowfall totals will be moderate, 1-2' above 7000' with a few inches at lake level. Another round of snow seems probable for Friday-Sunday. This system should be colder than Wednesday, with snow levels ~4500'. Models are showing different solutions for the weekends storm, both in timing and also intensity. On the low end, another 1-2' while the high end would be 3-4' with snow showers tapering Sunday. This next week looks to be good regardless. Still beyond there is a possibility of another system 3/11->3/15. Let's not ge ahead of ourselves.
Today was a good one. High temps in the 40s in Truckee and mid 30s @ 8k. Winds were non existent through most of the day but by 5pm the N-NE breeze picked up and cooled temps off quickly at upper elevations. Mammoth had a different day with temps in the teens @ 10k, and a still N-NE wind gusting to 58mph around 2pm. On Mt Rose @ 2pm there was barely a measurable wind.
Monday will be fair and warm as temps reach 50F in Truckee, 40F @ 8k. Clouds will be on the increase as the day goes. SE winds will switch S and increase as well. Low pressure will bring precip to the Tahoe Basin by midday Tuesday. There will be another colder round on Wednesday. Showers could possibly linger into Thursday as the trough reloads with another system for the weekend. Winds will get quite gusty on Tuesday lasting into Wednesday. Temps in Truckee will drop back into the 30s, 20s @8k.
All of this is subject to revision tomorrow when a completely different scenario is likely.
As for the snow. My best advice is to go as high as you can and stay out of the sun. It is March now and the sun angle is getting higher by the day. Late yesterday and again today intense solar radiation torched the snow. Anything that has seen sun has a breakable crust. Aspects that were sheltered from last night's N-NE breeze and has not seen any sun are skiing great. Unfortunately snow under 7500' was extremely wet on Saturday and has become melt/freeze mank. Tomorrow this lower elevation snow might ski better, but when the goods exist on high elevation N-NE aspects, there is no need to screw around. There is once again great snow to be ridden.
-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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