

000 

WGUS55 KVEF 291120

FFWVEF

CAC071-291730-



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE LAS VEGAS NV

320 AM PST WED DEC 29 2004



THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS EXTENDED THE



* FLASH FLOOD WARNING FOR...

  SAN BERNARDINO COUNTY IN SOUTHEAST CALIFORNIA

  THIS INCLUDES...TWENTYNINE PALMS...MORONGO VALLEY...YUCCA          

  VALLEY...THE MOJAVE NATIONAL PRESERVE



* UNTIL 930 AM PST



* AT 257 AM PST...DOPPLER RADAR CONTINUED TO INDICATE MODERATE TO    

  HEAVY RAINFALL OCCURRING OVER MUCH OF SAN BERNARDINO COUNTY. 



* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO YUCCA      

  VALLEY...TWENTYNINE PALMS...MORONGO VALLEY...BARSTOW...ESSEX.



MODERATE TO HEAVY RAINFALL CONTINUES TO OCCUR OVER SAN BERNARDINO 

COUNTY THIS MORNING...AND THIS IS EXPECTED TO CONTINUE THROUGH 930 

AM THIS MORNING. UP TO AN INCH OF ADDITIONAL RAINFALL IS POSSIBLE. 

THIS WILL SIGNIFICANTLY AGGRAVATE FLOODING THAT HAS ALREADY 

OCCURRED. THE HEAVIEST RAINFALL HAS BEEN OCCURRING IN YUCCA AND 

MORONGO VALLEYS. AT 2 AM A WEATHER SPOTTER IN YUCCA VALLEY REPORTED 

THAT OVER 3 INCHES OF RAIN HAD FALLEN IN THE PAST 24 HOURS. FLOODING 

HAS ALSO BEEN REPORTED IN THE MORONGO VALLEY...THE MOJAVE NATIONAL 

PRESERVE...AND NEAR ESSEX. OTHER AREAS OF SAN BERNARDINO COUNTY ARE 

LIKELY TO EXPERIENCE FLOODING THROUGH THE NEXT SIX HOURS.



EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL

CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES

AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. IF FLOODING IS 

OBSERVED IN YOUR AREA...MOVE TO HIGHER GROUND.



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. TURN AROUND DONT DROWN. BE ESPECIALLY CAUTIOUS AT NIGHT 

WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING.



LAT...LON 3405 11660 3411 11495 3506 11478 3577 11563                

      3576 11760 3487 11762 3475 11625



$$



DAVIS

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