The infamous cut and paste Mammothweather.com forecast ... EDITED WITH HIGHLIGHTS
Fair Weather, w/slightly warmer than normal temps through Tuesday with periods of high clouds and light winds….Break-through of the Westerlies looking more likely for later next week…..
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Sunday 23 FEB Morning:
MJO has made the jump to Phase space 7…thus unleashing the power of the Extended Asian Jet toward the west coast! All models working nicely together to bring the upper jet on shore over
South Central California Wednesday night. CRFC just painted .70 to .75 for storm #1 with the snow level beginning about 7500 to 8000 Wednesday 6inches to a foot; then during the major part of the event Wednesday night to Sunrise Thursday the snow level will be between 6000 and 7000 feet lowering to 5000 by the time most of the precip is over about Sunrise Thursday. Expect snow showers Thursday afternoon and evening, with little if any accumulation.
Storm #2 is still favoring the Southern Sierra and Southern California with what
appears to be the best storm of the Winter for Southern CA! We here on the east side of the sierra will still get some good snowfall amounts. However in this case, snowfall amounts 1 to 3 miles east from the sierra crest will fall off faster than the first storm because the upper jet is so far south coming in over LA/San Diego. The Upper Flow at 700MB is due South Friday PM and so it is not orographically favorable. Nevertheless, the
MAMMOTH area crest will get between a foot and two feet 27-28 FEB as there is more moisture in this system.
Again….What is interesting is that storm #1 has less moisture, however, it is orographically more favorable as the winds at 500mb and 700mb are SW or natural to the sierra. It is possible that we here in town may do about the same from the wetter storm Saturday as compared to the Wednesday night storm.
Where will the big amounts be????? In the Southern Sierra, and Mountains around Southern Ca. This may be the first precipitation for parts of the desert South West like Phoenix, AZ this winter.
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