Monday, November 24, 2008
Light snowfall for Tahoe
11/24/08 7:50 am
Long anticipated pattern change gets underway today. Good to see the pattern change, but I am not holding out for any significant amounts of snow from the two low pressure systems that will affect the area this week. Current model forecasts bring the first low onshore in Southern California after brushing down the Northern Sierra. Timing for the first round of snow/ rain will be Tuesday night and into Wednesday. Snowfall accumulations will increase as you head South of Tahoe, with 8-12" for Mammoth Mountain, and higher amounts as you head into the High Sierra South of Mammoth (a few feet). For Tahoe, a few inches along the crest.
The second system to affect the area will be Friday/ Saturday which is a change from the previous forecast. So instead of Thursday night and possibly lingering into the weekend, the storm track now looks to be overland, tracking into Northern Nevada and along the Eastern Sierra, starving the low of abundant Pacific moisture, and also speeding up the exit to the East. Again, at this point only a few inches of snow for Tahoe. Snow levels for the period look to be around 6000', lowering Friday night to 5500-5000'. HPC 5day H2O forecast is actually lower today since yesterday, looking to 1/2" for Tahoe through Saturday. In reality, that only hints to ~6" snow through the week. Hope that changes and gets wetter. After Saturday, growing confidence in a Rex Block pattern developing which is not good for snow lovers.
24hr Forecast:
Partly cloudy. Highs 43-53. SE winds ~10
48hr Forecast:
Mostly cloudy. Chance of rain/snow. Snow level 7000' and lowering. Highs 37-47. S winds 10mph
72+hr Forecast:
Cloudy. Chance of snow/rain. Snow level 6500'. Highs 35-45. E-NE winds ~10mph.
High Temperatures next 24hrs:
Truckee-mid 50's
Tahoe City-low 50's
Tahoe Sierra Crest @ 8000'-low 40's
Winds next 24hrs: (direction/ mph)
Truckee- SE 10mph
Tahoe City- SE 10mph
Tahoe Sierra Crest @ 8000'- SE 20mph+
Forecast snowfall next 24hrs:
Truckee- 0
Tahoe City- 0
Tahoe Sierra Crest @ 8000'- 0
High Temps last 24hrs:
Truckee- low 50's
Tahoe City- low 50's
Tahoe Sierra Crest @ 8700'- mid 40's
Winds last 24hrs: (direction/ mph)
Truckee- Light and variable
Tahoe City- Light and variable
Tahoe Sierra Crest @ 8700'- SW 15-28mph
Snowfall last 24hrs:
Truckee- zero
Tahoe City- zip
Tahoe Sierra Crest @ 8000'- zilch
5-14 Day Outlook:
Beyond Thanksgiving weekend, two possible scenarios that have been illustrated in the models these last few days are 1) a Rex Block pattern which is not good for snow lovers or 2) a blocking high pressure ridge in the Gulf of AK with a breakthrough of the Westerlies into CA, which is excellent for snow lovers. Hopefully it's the latter. Also December could start off as a cold one for almost all of the USA. Much below normal temps are forecast from our Canadian side to our Mexican side and everything in between.
Current NWS Lake Tahoe Forecast click here
Lake Tahoe Recreational Forecast here
CURRENT CONDITIONS:
Brought to you by http://www.porterstahoe.com/
Long anticipated pattern change gets underway today. Good to see the pattern change, but I am not holding out for any significant amounts of snow from the two low pressure systems that will affect the area this week. Current model forecasts bring the first low onshore in Southern California after brushing down the Northern Sierra. Timing for the first round of snow/ rain will be Tuesday night and into Wednesday. Snowfall accumulations will increase as you head South of Tahoe, with 8-12" for Mammoth Mountain, and higher amounts as you head into the High Sierra South of Mammoth (a few feet). For Tahoe, a few inches along the crest.
The second system to affect the area will be Friday/ Saturday which is a change from the previous forecast. So instead of Thursday night and possibly lingering into the weekend, the storm track now looks to be overland, tracking into Northern Nevada and along the Eastern Sierra, starving the low of abundant Pacific moisture, and also speeding up the exit to the East. Again, at this point only a few inches of snow for Tahoe. Snow levels for the period look to be around 6000', lowering Friday night to 5500-5000'. HPC 5day H2O forecast is actually lower today since yesterday, looking to 1/2" for Tahoe through Saturday. In reality, that only hints to ~6" snow through the week. Hope that changes and gets wetter. After Saturday, growing confidence in a Rex Block pattern developing which is not good for snow lovers.
24hr Forecast:
Partly cloudy. Highs 43-53. SE winds ~10
48hr Forecast:
Mostly cloudy. Chance of rain/snow. Snow level 7000' and lowering. Highs 37-47. S winds 10mph
72+hr Forecast:
Cloudy. Chance of snow/rain. Snow level 6500'. Highs 35-45. E-NE winds ~10mph.
High Temperatures next 24hrs:
Truckee-mid 50's
Tahoe City-low 50's
Tahoe Sierra Crest @ 8000'-low 40's
Winds next 24hrs: (direction/ mph)
Truckee- SE 10mph
Tahoe City- SE 10mph
Tahoe Sierra Crest @ 8000'- SE 20mph+
Forecast snowfall next 24hrs:
Truckee- 0
Tahoe City- 0
Tahoe Sierra Crest @ 8000'- 0
High Temps last 24hrs:
Truckee- low 50's
Tahoe City- low 50's
Tahoe Sierra Crest @ 8700'- mid 40's
Winds last 24hrs: (direction/ mph)
Truckee- Light and variable
Tahoe City- Light and variable
Tahoe Sierra Crest @ 8700'- SW 15-28mph
Snowfall last 24hrs:
Truckee- zero
Tahoe City- zip
Tahoe Sierra Crest @ 8000'- zilch
5-14 Day Outlook:
Beyond Thanksgiving weekend, two possible scenarios that have been illustrated in the models these last few days are 1) a Rex Block pattern which is not good for snow lovers or 2) a blocking high pressure ridge in the Gulf of AK with a breakthrough of the Westerlies into CA, which is excellent for snow lovers. Hopefully it's the latter. Also December could start off as a cold one for almost all of the USA. Much below normal temps are forecast from our Canadian side to our Mexican side and everything in between.
Current NWS Lake Tahoe Forecast click here
Lake Tahoe Recreational Forecast here
CURRENT CONDITIONS:
Truckee
Tahoe City
Reno
Local Mountain Remote Data
Surface Observations
Wind Chill Chart
NASA/JPL-UCD buoys
FORECAST LINKS:
National Weather Service Reno
WSFO Reno Discussion
Lake Tahoe Backcountry Forecast
RADAR:
PAC NW Radar
PAC SW Radar
SATELLITE IMAGERY:
4km IR Loop
16km IR Loop
Central CA 1km Visible
GOES-W 12hr WV
GOES 24hr NA WV
Precipitable Water Loop
Past Week's Estimated Precip
SNOWPACK INFORMATION:
Avalanche.org
Sierra Avalanche Center
Eastern Sierra Avalanche Center
California Department of Water Resources
SNOTEL Data
NOAA NOHRSC Interactive Snow Information
NWS Snowpack Analyses
Brought to you by http://www.porterstahoe.com/
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