Flood Watch issued December 24 at 5:49AM PST until December 25 at 1:00AM PST by NWS San Diego CA
WHAT: Flooding caused by excessive rainfall continues to be
possible.
WHERE: A portion of Southwest California, including the following
areas, San Diego County Coastal Areas, San Diego County Deserts,
San Diego County Mountains and San Diego County Valleys.
WHEN: Through late tonight.
IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
ADDITIONAL DETAILS:
- An Atmospheric River will likely bring widespread moderate to
heavy rain to the area today. Heaviest most widespread rain
is expected late this morning continuing through the evening.
Peak rainfall rates of 0.50 to 1 inch per hour are expected.
There is a potential for locally heavier hourly rainfall
rates to develop with convection embedded in the main rain
band or in thunderstorms after the main band passes. Isolated
heavy showers could continue into Thursday but impacts from
any additional rain are expected to be more localized.
- https://www.weather.gov/safety/flood
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You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.