Weather Forecast

Weekend Forecast for 12/20/2014 – 12/21/2014:

From Dan Tackett, Sugar Bowl National Ski Patrol Meteorologist Extraordinaire

Updated Thursday, December 18th, 8:45 am

Greetings,

Discussion:
Conditions have been favorable and dynamic in the last week.  The big Thursday storm scored great accumulations thanks to the snow levels lowering closer to noon instead of closer to sunset.  Once lowered, they have remained well below the resort since, allowing all systems to produce nothing but snow, much more typical of December.  After a lull in accumulations over the weekend, another nice storm contributed on Sunday night and Monday.  Between noon on Thursday and Monday night, total accumulations were around a much needed and well deserved 3 feet.

Accumulations Tuesday and Wednesday have been on the light side, a couple of inches here and there.  A break is scheduled for Thursday as we’ll be lying between systems.  A strong Pacific Northwest storm will drag a weakening cold front through Northern California on Friday.  Snow is expected mostly Friday afternoon and into the evening, then decreasing after midnight.  Not much Pacific Northwest leftovers are expected, around 3-6 inches by sunrise Saturday.  Temperatures have been steady in the 20s all week and Friday will continue that trend.  Not a particularly windy system.

Moisture will continue to hang around the resort on Saturday, but mostly in the form of clouds and scattered light snow showers.  The lack of dynamics will restrict any accumulations to little or none.  With the storm track re-directed to the north, temperatures will begin to creep upward.  Highs in the upper 20s to low 30s.  Winds will be on the light side.

A few morning low clouds mixing with a few high clouds on Sunday.  Occasional sunshine in between as the storm track directs systems from the Pacific Northwest into the northern Great Basin.  A very quiet day expected with lows in the 20s to near 30, highs in the 30s to around 40.  Don’t forget to toast the shortest day of the year on Sunday and welcome the first day of winter.  The moment of the solstice will occur at 3:03 pm PST.

Quiet weather will continue Monday and Tuesday.  A system approaching the Great Basin on Christmas Eve may take a more westerly route and clip the Northern Sierra.  This would allow cooler air to seep in from the east and bring snow shower chances in the evening through Christmas morning.  With the system taking an inland route, any accumulations would be light.

Sugar Bowl Snow Depths as of Thursday morning, December 18th:
Station A (near the base of Crow’s Nest Chair): 17 inches (from website).  Last year at this time: 7 inches.
Station B (between Calif St & Station B runs): 44 inches, (from website).  Last year at this time: 24 inches.
Current Truckee River Drainage Snowpack Water Equivalent:  68%

Weekend Forecast for 12/20/2014-12/21/2014:
Mostly cloudy on Saturday with a chance of scattered light snow showers.  Little or no accumulations expected.  Lows in the 20s, highs in the upper 20s to low 30s.  Light southwest winds.

Partly cloudy on Sunday.  Lows in the 20s to near 30, highs in the 30s to around 40.  Light winds.

Weekend Travel Weather:
Enough snow on Friday afternoon and evening could bring chain controls over the summit.  Still a little slippery on Saturday morning, but conditions should be improving.  Saturday afternoon through Sunday will have no road problems.

Extended:
Partly to mostly cloudy Monday and Tuesday.  Cooler with possible snow showers Christmas Eve into Christmas morning.

Have a Great Weekend,
Dan

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