One problem with this storm is that the Sierra won't get the typical orographic lift that usually gives it several times more precip than the valley. The reason is that the winds will be coming from the S/SE instead of SW -- the moisture won't be riding up the mountains and getting squeezed out, but rather down them (at least in the Tahoe area). The exception is in the Shasta area, where the winds will be going uphill (at least, this is what I gathered from following the recent discussions here and piecing things together:
http://forecast.weather.gov/product....n=1&glossary=1 ). You can see a precip forecast map here if you go to the Forecast Precipitation (QPF) section on the right (you can see that Sacramento's f/c is about the same as Blue Canyon):
http://www.cnrfc.noaa.gov/google.php?type=precip
AccuWeather has another 2.3" for Sacramento in December (after this storm), then, as of today, they also added about 5.5" of rain late in January (vs. <1" on yesterday's run):
http://www.accuweather.com/en/us/sac...015&view=table One can only hope.
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