Tuesday, September 3, 2013

[californiadisasters] Flash Flood Warnings - SoCal (9/03/13-4:28PM)



FLASH FLOOD WARNING FOR...    NORTH CENTRAL RIVERSIDE COUNTY IN SOUTHERN CALIFORNIA INCLUDING    THE SILVER BURN AREA...    * UNTIL 630 PM PDT    * AT 418 PM PDT...DOPPLER RADAR INDICATED VERY HEAVY RAIN MOVING    NORTH INTO THE SLIVER BURN AREA NEAR CABAZON.    * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CABAZON    AND SNOW CREEK      PRECAUTIONARY/PREPAREDNESS ACTIONS...    WATERSHEDS BURNED IN 2013 WITHIN THE SILVER BURN AREA ARE  PARTICULARLY SUSCEPTIBLE TO FLASH FLOODS AND DEBRIS FLOWS FROM THIS  RAINSTORM. DWELLINGS...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...ALL DWELLINGS...ROADS...CAMPGROUNDS...AND INFRASTRUCTURE IN LOW  LYING AREAS NEAR ONE HORSE CANYON AND JENSON CREEK. DWELLINGS  DOWNSTREAM OF THE BURN AREA...INCLUDING THOSE IN THE MORONGO INDIAN  RESERVATION...SNOW CREEK...HURLEY FLAT...TWIN PINES RANCH...MCMULLEN  FLAT...MOUNT OAK BOYS RANCH...POPPET FLAT...AND PORTIONS OF BANNING  SOUTH OF I-10 AND ADJACENT TO THE BURN AREA. IN ADDITION...ROADS  THAT MAY BE AFFECTED INCLUDE...BUT ARE NOT LIMITED TO...THOSE IN THE  VICINITY OF BANNING IDYLLWILD ROAD...HIGHWAY 243...ESPERANZA  AVENUE...ROADS IN THE MORONGO INDIAN RESERVATION SOUTH OF MARGARET  AND ESTHER AVENUES...ROADS IN THE VICINITY OF POPPET FLATS  ROAD...OLD IDYLLWILD ROAD...ELLIS DRIVE...TWIN PINES ROAD...GORGONIO  VIEW ROAD...WONDERVIEW ROAD...VISTA GRADE ROAD OR FS 3S09...HALLS  GRADE ROAD...SILVER CREEK DRIVE AND WOLFSKILL TRUCK TRAIL. 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/    MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO  AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY  DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL  ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED  ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.    TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY  YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SAN  DIEGO.    &&    LAT...LON 3393 11684 3394 11665 3387 11664 3386 11683    $$    JAD

FLASH FLOOD STATEMENT  NATIONAL WEATHER SERVICE SAN DIEGO CA  416 PM PDT TUE SEP 3 2013    CAC073-040130-  /O.CON.KSGX.FF.W.0064.000000T0000Z-130904T0130Z/  /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  SAN DIEGO CA-  416 PM PDT TUE SEP 3 2013    ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM PDT FOR EAST  CENTRAL SAN DIEGO COUNTY...INCLUDING THE CHARIOT FIRE BURN AREA...    AT 406 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO  INDICATE HEAVY RAIN PRODUCING FLASH FLOODING JUST NORTH OF MOUNT  LAGUNA. DUAL POL RADAR ESTIMATES AROUND ONE AND ONE HALF INCHES OF  RAIN HAS FALLEN OVER THE AREA. ADDITIONAL RAINFALL OF UP TO ONE INCH  IS POSSIBLE OVER THE NEXT HOUR.    LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO AGUA CALIENTE  SPRINGS...MOUNT LAGUNA...THE CHARIOT FIRE BURN SCAR AND DRAINAGES  BELOW IT ALONG COUNTY HIGHWAY S 2 AND SALT CREEK. PORTIONS OF  SUNRISE HIGHWAY...S 1...NORTH OF MOUNT LAGUNA COULD ALSO BE  AFFECTED.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    WATERSHEDS BURNED IN 2013 BY THE CHARIOT FIRE ARE PARTICULARLY  SUSCEPTIBLE TO FLASH FLOODS AND DEBRIS FLOWS FROM THIS THUNDERSTORM.  ROADS...TRAILS...AND CAMPGROUNDS LOCATED ALONG DRAINAGES WITHIN OR  BELOW THE BURNED BASINS CAN BE IMPACTED BY FLASH FLOODS AND DEBRIS  FLOWS.    DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE  ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS  SAFELY. MOVE TO HIGHER GROUND.    &&    LAT...LON 3301 11647 3299 11624 3291 11626 3288 11635        3285 11647    $$    TS

FLASH FLOOD STATEMENT  NATIONAL WEATHER SERVICE SAN DIEGO CA  405 PM PDT TUE SEP 3 2013    CAC073-040030-  /O.CON.KSGX.FF.W.0063.000000T0000Z-130904T0030Z/  /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  SAN DIEGO CA-  405 PM PDT TUE SEP 3 2013    ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM PDT FOR  CENTRAL SAN DIEGO COUNTY...    AT 354 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THAT  HEAVY RAIN HAS ENDED OVER THE WARNED AREA IN NORTH CENTRAL SAN DIEGO  COUNTY...HOWEVER HEAVY RUNOFF IS LIKELY TO CONTINUE.    DOPPLER ESTIMATES A LARGE AREA OF 2 TO 2.5 INCHES OF RAIN HAD FALLEN  NORTHWEST OF HOT SPRINGS MOUNTAIN THROUGH 330 PM PDT IN THE  CLEVELAND NATIONAL FOREST. THIS AREA IS DRAINED BY COYOTE CREEK  WHICH EMPTIES JUST NORTH OF BORREGO SPRINGS. RAPID RISES IN THE  CREEK ARE POSSIBLE THROUGH 530 THIS AFTERNOON.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    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.    A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.  FLOODING MAY OCCUR MANY MILES FROM THE STORM. IF YOU ARE IN THE  WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING  ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO  PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING  WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE.    TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY  YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SAN  DIEGO.    &&    LAT...LON 3332 11668 3332 11634 3305 11647 3306 11669    $$    JAD

FLASH FLOOD STATEMENT  NATIONAL WEATHER SERVICE SAN DIEGO CA  355 PM PDT TUE SEP 3 2013    CAC065-040015-  /O.CON.KSGX.FF.W.0062.000000T0000Z-130904T0015Z/  /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  RIVERSIDE CA-  355 PM PDT TUE SEP 3 2013    ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM PDT FOR  CENTRAL RIVERSIDE COUNTY INCLUDING THE MOUNTAIN BURN AND DRAINAGES  BELOW...    AT 342 PM PDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE CONTINUING  TO DEVELOP AND TRACK ALONG THE CREST OF THE SAN JACINTO MOUNTAINS.  DOPPLER RADAR ESTIMATES THAT ONE TO TWO INCHES OF RAIN HAS  ACCUMULATED OVER THE BURN AREA OVER THE LAST TWO HOURS. THIS IS WELL  IN EXCESS OF THRESHOLDS NECESSARY TO PRODUCE FLASH FLOODING AND  DEBRIS FLOWS IN AND BELOW THE BURN AREA.    A USGS GAGE IN PALM CANYON CREEK HAS JUMPED 3 FEET OVER THE LAST  HOUR AND INDICATES SIGNIFICANT FLOW DOWN THE SLOPES TOWARD RURAL  AREAS WEST OF CATHEDRAL CITY AND RANCHO MIRAGE.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    WATERSHEDS BURNED WITHIN THE MOUNTAIN BURN AREA ARE PARTICULARLY  SUSCEPTIBLE TO FLASH FLOODS AND DEBRIS FLOWS FROM THIS RAINSTORM.  DWELLINGS...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...ALL  DWELLINGS...ROADS...CAMPGROUNDS...AND INFRASTRUCTURE IN LOW LYING  AREAS OF TAQHUITZ CREEK...ANDREAS CANYON...MURRAY CANYON...WEST FORK  PALM CANYON...FOBES CANYON...APPLE CANYON...HERKEY CREEK AND  COLDWATER CREEK. IN ADDITION...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/    A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.  IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.  RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE  PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS  SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY  AUTOMOBILE.    TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY  YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SAN  DIEGO.
Source: NWS San Diego


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