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Joined: Jan 2003
Posts: 197
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Joined: Jan 2003
Posts: 197
NATIONAL WEATHER SERVICE SACRAMENTO CA
940 AM PST THU FEB 10 2011


REGARDING THE PATTERN CHANGE NEXT WEEK...THE 12Z GFS CAME IN WITH LOWER 1000-500MB THICKNESSES MONDAY NIGHT...547 DM...MEANING SNOW LEVELS COULD START OUT NEAR 5500 FEET. THE ECMWF IS A BIT SLOWER WITH THE ONSET OF PRECIPITATION...BUT HAS THE SAME GENERAL SCENARIO DEVELOPING NEXT WEEK. THE CURRENT STORM NEAR THE GULF OF ALASKA FLATTENS THE UPPER RIDGE THIS WEEKEND AS THE FLOW ALOFT TURNS SOUTHWESTERLY. WE SEE A BIG RIDGE BUILD OUT NEAR THE DATELINE CARVE OUT A DEEP TROF DOWNSTREAM ALONG 140W. A COLD FRONT WILL MOVE INTO THE REGION AFTER MIDNIGHT MONDAY NIGHT...POSSIBLY BRINGING STRONG WINDS WITH VALLEY RAIN AND MOUNTAIN SNOW TO THE REGION. THE LONG WAVE TROF MAY SLOWLY SHIFT INLAND THROUGH MID-WEEK AS RE-ENFORCING SHOTS OF ENERGY ROTATE THROUGH IT. THE GFS HAS A 982MB SURFACE LOW OFF THE OREGON COAST EARLY TUESDAY...SO IT COULD BE WINDY IN THE VALLEYS AS WELL. ADDITIONALLY THE GFS AND ESRL EXPERIMENTAL RE-ANALYSIS PRODUCTS INDICATE A BOMB OF A SURFACE LOW COMING OFF EAST ASIA AROUND VALENTINES DAY. THIS ENERGY COULD BECOME ENTRAINED INTO THE JETSTREAM AND CAUSE AN ADDITIONAL ROUND OF COLD AND WET WEATHER TOWARD THE END OF THE WEEK. WATCH FOR A SPECIAL WEATHER STATEMENT REGARDING THE PATTERN CHANGE THIS AFTERNOON. SG


Joined: Jun 2003
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Joined: Jun 2003
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Maybe we'll finally see winter arrive?

Thank goodness we had that Miracle December or we wouldn't have been doing much winter activity yet.

Joined: Jul 2007
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Joined: Jul 2007
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Yep, would love to be up there this weekend. Looks to be a great one. Cold and windy next week.

Joined: Jun 2003
Posts: 291
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Joined: Jun 2003
Posts: 291
Yep, I was looking at a Whitney trip this weekend as well, but other obligations aren't providing enough time to get it done.


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Mt. Whitney Weather Links


White Mountain/
Barcroft Station

Elev 12,410’

Upper Tyndall Creek
Elev 11,441’

Crabtree Meadows
Elev 10,700’

Cottonwood Lakes
Elev 10,196’

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Hunter Mountain
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Death Valley/
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Elev. -193’

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