San Diego County Inland Valleys

Advisories Radar Cities

Flash Flood Watch

Expires 4:00 AM EST on November 21, 2019
Statement as of 2:23 am PST on November 20, 2019

... 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.

Precautionary/preparedness actions...

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.



17


Flash Flood Watch

Expires 4:00 AM EST on November 21, 2019
Statement as of 2:23 am PST on November 20, 2019

... 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.

Precautionary/preparedness actions...

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.



17


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