Weather Alerts for INLAND EMPIRE

Issued by the National Weather Service

Flash Flood Watch  FLASH FLOOD WATCH   Flash Flood Watch
INLAND EMPIRE

Areas Affected:
Riverside County Mountains - San Bernardino County Mountains - San Bernardino and Riverside County Valleys-The Inland Empire - San Diego County Coastal Areas - San Diego County Inland Valleys - San Diego County Mountains - Santa Ana Mountains and Foothills
Effective: Wed, 11/20 2:23am Updated: Wed, 11/20 3:58am Urgency: Expected
Expires: Thu, 11/21 1:00am Severity:  Severe  Certainty: Possible

 
Details:
...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...
The Flash Flood Watch continues for
* A portion of southwest California...including Mountains below
5000 feet...Valleys...and San Diego County Coastal Areas.
* Through late tonight
* A cold low pressure moving through southern California will
bring numerous showers with a chance of thunderstorms towards
the coast through late tonight.
* Showers will be become more numerous this morning with periods
of showers continuing into tonight. Thunderstorms and more
intense showers may produce peak hourly rainfall rates of one
half inch per hour, especially this afternoon.
* Locally heavy rainfall could produce flash flooding, with the
greatest threat in steep terrain, especially in and below
recently burned areas. Flooding of poorly drained and urban
areas will also occur, presenting a hazard for motorists.

Information:
A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.