Flash Flood Warning 3, NWS San Diego, CA

Issued

Feb 28, 2014, 11:59 AM PST (19:59 UTC)

Expired

Feb 28, 2014, 1:00 PM PST

In force

61 min

Issued by

NWS San Diego, CA

Area

Storm-based polygon

Flood severity

None

Counties Orange County, CA, Riverside County, CA, San Diego County, CA

The Santa Ana Mts radar (KSOX), 36 km from the middle of the area, began a volume at 20:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

187 
WGUS56 KSGX 281959
FFWSGX
CAC059-065-073-282100-
/O.NEW.KSGX.FF.W.0003.140228T1959Z-140228T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
1159 AM PST FRI FEB 28 2014

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN RIVERSIDE COUNTY IN SOUTHERN CALIFORNIA...
  EAST CENTRAL ORANGE COUNTY IN SOUTHWEST CALIFORNIA...
  EXTREME NORTHWESTERN SAN DIEGO COUNTY IN SOUTHWEST CALIFORNIA...

* UNTIL 100 PM PST

* AT 1148 AM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM NEAR RANCHO SANTA MARGARITA...OR   
EAST OF MISSION VIEJO AND WEST OF MURRIETA. THE STORM PRODUCING FLASH 
FLOODING WAS NEARLY STATIONARY. HEAVY RAIN HAS DECREASED...BUT SHOWERS 
WILL CONTINUE TO ADD TO THIS FLASH FLOODING SITUATION UNTIL 1 PM.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO THE 
FALLS BURN AREA LEADING INTO WESTERN PORTIONS OF LAKE ELSINORE AND 
LAKELAND VILLAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WATERSHEDS BURNED IN 2013 WITHIN THE FALLS BURN AREA ARE PARTICULARLY
SUSCEPTIBLE TO FLASH FLOODS AND DEBRIS FLOWS FROM THIS RAINSTORM.
STRUCTURES...ROADS...TRAILS...AND CAMPGROUNDS LOCATED ALONG DRAINAGES
WITHIN OR BELOW THE BURNED BASINS CAN BE IMPACTED BY FLASH FLOODS AND
DEBRIS FLOWS. THIS INCLUDES...BUT IS NOT RESTRICTED TO...THOSE NEAR
HIGHWAY 74...AND ALL HOMES...ROADS AND STRUCTURES LOCATED BELOW THE
BURN AREA ON BOTH SIDES OF GRAND AVENUE BETWEEN MACY STREET AND SANTA
ROSA DRIVE. 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. 

&&

LAT...LON 3375 11743 3354 11717 3343 11718 3332 11735
      3370 11765

$$

MM

705 
WGUS76 KSGX 282030
FFSSGX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
1230 PM PST FRI FEB 28 2014

CAC059-065-073-282100-
/O.CON.KSGX.FF.W.0003.000000T0000Z-140228T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN DIEGO CA-RIVERSIDE CA-ORANGE CA-
1230 PM PST FRI FEB 28 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 100 PM PST FOR EAST
CENTRAL ORANGE...SOUTHWESTERN RIVERSIDE AND EXTREME NORTHWESTERN SAN
DIEGO COUNTIES...

AT 1224 PM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE HEAVY RAIN PRODUCING FLASH FLOODING...LOCATED WEST OF MURRIETA 
AND LAKE ELSINORE. THE HEAVY RAIN HAS BEGUN TO DIMINISH AND WILL 
CONTINUE TO DECREASE AFTER 100 PM. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO THE FALLS 
FIRE BURN AREA...LAKELAND VILLAGE AND WESTERN PORTIONS OF LAKE ELSINORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WATERSHEDS BURNED IN 2013 WITHIN THE FALLS BURN AREA ARE PARTICULARLY
SUSCEPTIBLE TO FLASH FLOODS AND DEBRIS FLOWS FROM THIS RAINSTORM.
STRUCTURES...ROADS...TRAILS...AND CAMPGROUNDS LOCATED ALONG DRAINAGES
WITHIN OR BELOW THE BURNED BASINS CAN BE IMPACTED BY FLASH FLOODS AND
DEBRIS FLOWS. THIS INCLUDES...BUT IS NOT RESTRICTED TO...THOSE NEAR
HIGHWAY 74...AND ALL HOMES...ROADS AND STRUCTURES LOCATED BELOW THE
BURN AREA ON BOTH SIDES OF GRAND AVENUE BETWEEN MACY STREET AND SANTA
ROSA DRIVE. 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.

&&

LAT...LON 3375 11743 3354 11717 3343 11718 3332 11735
      3370 11765

$$

MM

115 
WGUS76 KSGX 282100
FFSSGX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
100 PM PST FRI FEB 28 2014

CAC059-065-073-282109-
/O.EXP.KSGX.FF.W.0003.000000T0000Z-140228T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN DIEGO CA-RIVERSIDE CA-ORANGE CA-
100 PM PST FRI FEB 28 2014

...THE FLASH FLOOD WARNING HAS EXPIRED FOR EAST CENTRAL ORANGE...
SOUTHWESTERN RIVERSIDE AND EXTREME NORTHWESTERN SAN DIEGO COUNTIES...

LOCALIZED FLOODING IS STILL POSSIBLE IN THIS AREA AS SHOWERS CONTINUE 
THIS AFTERNOON.

LAT...LON 3375 11743 3354 11717 3343 11718 3332 11735
      3370 11765

$$
MM

Flash Flood Warnings in California, 2014Every flash flood warning in 2014

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.