Issued Zones: San Luis Obispo … Santa Barbara … Ventura … Los Angeles … Orange … San Diego Coast/Metros … The Inland Empire … The Coachella Valley … Baja Metros …
Site: Southern California Weather Force has issued a Flood Warning effective now for Thanksgiving …
Date: 11/27/19 at 1:05pm PT
Forecast: The first front is moving across the region today and the second more powerful one is the one that will bring the most rainfall that will prompt this warning. The timing of the Thanksgiving storm front will be around the same as today’s with SLO / Santa Barbara around sunrise and pushing into Los Angeles over the morning hours. There is a difference with the Thanksgiving front compared to today’s and that is how much deep-layer moisture will be available. This will make it to the Coachella Valley with flooding concerns on Thanksgiving.
Rainfall totals in the warning area will range from 1-2″ in the SLO/SBA/VT/LA areas with 2-3″ for the Inland Empire, Orange, and San Diego areas and near 2″ for Palm Springs!
Convective activity on Thanksgiving in the warning area will yield the risk of thunderstorms and some of these could contain waterspouts and/or small tornadoes. Will upgrade this to a thunderstorm watch in the zones needed by evening.
The areal flood risk zones are below for this event based on the SCWF Flood Risk Model
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10 mile rule: These alerts issued on this site means that within your zone and 10 miles from you will see the event forecast for. You may or may not see the event but it means you are in the zone or 10 miles from where someone will.