Flood watch issued for Northern California [View all]
The western states will become increasingly more active as an atmospheric river moves inland in conjunction with a low pressure system and its attendant cold front.
As a deep layer of moisture streams onshore it willhelp spread a few inches of rainfall/feet of snowfall at elevation
possible along the coastal areas and south into central California through early Wednesday morning.
The pattern will present the possibility for widely scattered instances of flash flooding are possible at lower elevations, particularly in burn scars. Increasingly strong winds are a concern today in these areas, especially near the coast and at higher elevations as the center of this potent low reaches coastal Washington.
https://www.weather.gov/mtr/
https://www.wpc.ncep.noaa.gov/discussions/hpcdiscussions.php?disc=pmdspd
We received about 1.75" over 12 hours in the Carneros AVA (Napa County).
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