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Flash Flood Watch issued for all of southwestern California through this evening


Friday, August 23rd, 2013
Issue 34, Volume 17.


National Weather Service San Diego has issued a Flash flood watch for the mountains and deserts of extreme southwestern California through this evening.

Flash flood watch for the Inland Empire and adjacent Santa Ana Mountain slopes for late this morning through this evening.

Flash flood watch for the inland San Diego County valleys for late this morning through this evening.

Monsoonal moisture and moisture from the remnants of tropical storm Ivo will continue to increase today and spread slightly farther west into portions of the inland valleys. Daytime heating will lead to thunderstorms with heavy rainfall and flash flooding, especially in the mountains and deserts with isolated thunderstorms in the inland valleys. Heavy rainfall in burn areas of the past few years will likely lead to mud and debris flows near and below those burn areas. Isolated thunderstorms with locally heavy rainfall are also possible through late tonight outside of the peak heating hours from late morning through early evening.

San Bernardino and Riverside County valleys-the Inland Empire-Santa Ana Mountains and foothills-

Flash flood watch in effect from 10 am PDT this morning through this evening.

The National Weather Service in San Diego has issued a Flash flood watch for a portion of southwest California, including the following areas. San Bernardino And Riverside County Valleys-The Inland Empire and Santa Ana Mountains and foothills.

* From 10 am PDT this morning through this evening.

Monsoonal moisture and moisture from the remnants of tropical storm vivo will increase the flash flood potential from thunderstorms for late this morning into this evening.

* In addition to flash flooding, heavy rainfall could cause mud and debris flows in and below burn areas of the past few years.

Precautionary/preparedness actions.

A flash flood watch means that conditions may develop that lead to flash flooding and debris flows. Flash flooding is a very dangerous situation. Have a plan of action ready to shelter in place or move to higher ground when warnings are issued.

You should monitor later forecasts and be prepared to take action should flash flood warnings be issued.

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.

San Bernardino County Mountains-Riverside County Mountains-San Diego County Mountains-Apple And Lucerne Valleys-Coachella Valley-San Diego County deserts-

The flash flood watch is now in effect for

* a portion of southwest California, including the following areas. Apple and Lucerne Valleys, Coachella valley. Riverside county mountains.San Bernardino county mountains.San Diego county deserts and San Diego county mountains.

* Through this evening.

Monsoonal moisture and moisture from the remnants of tropical storm Ivo will increase the flash flood potential from thunderstorms, especially during the afternoon and early evening.

* In addition to flash flooding, heavy rainfall could cause mud and debris flows in and below burn areas of the past few years.

Precautionary/preparedness actions.

A flash flood watch means that conditions may develop that lead to flash flooding and debris flows. Flash flooding is a very dangerous situation. Have a plan of action ready to shelter in place or move to higher ground when warnings are issued.

You should monitor later forecasts and be prepared to take action should flash flood warnings be issued.

San Diego County valleys-

Flash flood watch now in effect from 10 am PDT this morning through this evening.

The flash flood watch is now in effect for

* a portion of southwest California including the following areas, inland portions of the San Diego county valleys.

* From 10 am pdt this morning through this evening.

Monsoonal moisture and moisture from the remnants of Advertisement
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tropical storm vivo will increase the flash flood potential from thunderstorms, especially during the afternoon and early evening.

* In addition to flash flooding, heavy rainfall could cause mud and debris flows in and below burn areas of the past few years.

Precautionary/preparedness actions.

A flash flood watch means that conditions may develop that lead to flash flooding and debris flows. Flash flooding is a very dangerous situation. Have a plan of action ready to shelter in place or move to higher ground when warnings are issued.

You should monitor later forecasts and be prepared to take action should flash flood warnings be issued.

For a detailed map of the hazard: www.wrh.noaa.gov/wrh/whv/?wfo=sgx


National Weather Service issues hazardous weather outlook including flash flooding

SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MOUNTAINS AND DESERTS OF EXTREME SOUTHWESTERN CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WITH AREAS OF HEAVY RAINFALL...MAINLY DURING THE AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS WITH AREAS OF HEAVY RAINFALL FOR MONDAY.

MAINLY AFTERNOON AND EVENING THUNDERSTORMS FOR TUESDAY THROUGH

FRIDAY.

SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-SAN DIEGO COUNTY VALLEYS-

THIS HAZARDOUS WEATHER OUTLOOK IS VALLEYS OF EXTREME SOUTHWESTERN CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

CHANCE OF THUNDERSTORMS THIS AFTERNOON AND EVENING WITH ISOLATED FLASH FLOODING POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

CHANCE OF THUNDERSTORMS FOR MONDAY AFTERNOON THROUGH MONDAY NIGHT WITH ISOLATED FLASH FLOODING POSSIBLE.

ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-SANTA ANA MOUNTAINS AND FOOTHILLS-

THIS HAZARDOUS WEATHER OUTLOOK IS FOR COASTAL AREAS OF EXTREME SOUTHWESTERN CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

CHANCE OF THUNDERSTORMS...MAINLY MONDAY NIGHT.


SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MOUNTAINS AND DESERTS OF EXTREME SOUTHWESTERN CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

WIDELY SCATTERED AFTERNOON AND EARLY EVENING THUNDERSTORMS...MAINLY FOR RIVERSIDE AND SAN DIEGO COUNTIES...WITH LOCALLY HEAVY RAINFALL AND ISOLATED FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

FOR SUNDAY AND MONDAY...THUNDERSTORMS WITH AREAS OF HEAVY RAINFALL AND FLASH FLOODING.

FOR TUESDAY THROUGH FRIDAY...AFTERNOON AND EVENING THUNDERSTORMS.

SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-SAN DIEGO COUNTY VALLEYS-

THIS HAZARDOUS WEATHER OUTLOOK IS FOR INLAND VALLEYS OF EXTREME SOUTHWESTERN CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

FOR SUNDAY AND MONDAY...CHANCE OF THUNDERSTORMS WITH ISOLATED FLASH FLOODING...MAINLY NEAR THE FOOTHILLS.


AUG 23

The National Weather Service in San Diego has issued a flash flood warning for Central Riverside County

In Southern California until 7 pm at 3:56 pm National Weather Service doppler radar indicated strong thunderstorms developing over...and persisting south of the mountain fire burn scar northwest of Palm Springs.

Very heavy rainfall in the burn area will make debris flows likely in and below the burn scar in the foothills. Precautionary/preparedness actions...

Watersheds burned in 2013 within the mountain burn area are particularly susceptible to flash floods and debris flows from this rainstorm.

Roads that may be affected include...but are not limited to...those in the vicinity of South Palm Canyon Drive...Highway 74...or Pines to Palms highway...between Mountain Center And Morris Ranch Road...Fobes Ranch Road Apple Canyon Road...Bonita Vista Road...forest service 5521 and forest service 5505. For more information on post-fire debris flows and what to do if you live near a recently burned area, go to landslides.usgs.gov/research/wildfire/

Residents and motorists in and below recently burned areas should be alert to heavy mud and debris flows which may block roads and culverts. Potentially dangerous flooding and property loss could result in areas where runoff is restricted or blocked.


 

2 comments

Comment Profile ImageNeil
Comment #1 | Saturday, Aug 24, 2013 at 3:11 pm
why in the world do you have to talk so badly that the broadcast cannot be understood. With todays tech. can't you make broadcasts without all that static. People that are hard of hearing are scared wondering what in the world you are saying. Please clean up your act.
Comment Profile ImageI hate static too
Comment #2 | Monday, Aug 26, 2013 at 1:34 pm
annoying

Article Comments are contributed by our readers, and do not necessarily reflect the views of The Valley News staff. The name listed as the author for comments cannot be verified; Comment authors are not guaranteed to be who they claim they are.

 

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