

000 

WGUS55 KPSR 280304

FFWPSR

CAC065-280330-



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE PHOENIX AZ

800 PM PDT WED AUG 27 2003



THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A



* FLASH FLOOD WARNING FOR JOSHUA TREE NATIONAL PARK...

  NORTH CENTRAL RIVERSIDE COUNTY IN SOUTHEAST CALIFORNIA



* UNTIL 830 PM PDT



* AT 754 PM PDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY 

  HEAVY RAIN 3 MILES SOUTHEAST OF YUCCA VALLEY...MOVING SOUTH

  AT 10 MPH.



THUNDERSTORMS WITH VERY HEAVY RAIN WERE BETWEEN THE WEST ENTRANCE

OF JOSHUA TREE AND BLACK ROCK CANYON...IN THE NORTHWEST PART

OF THE PARK.



EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS

AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO

TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN.



BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE

DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT

QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY

IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.



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. IF YOUR VEHICLE STALLS...ABANDON IT IMMEDIATELY AND SEEK

HIGHER GROUND.



TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY

RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN

PHOENIX.



LAT...LON 3401 11637 3378 11630 3389 11586 3401 11601

          3401 11617



$$



000 

WGUS55 KPSR 280304

FFWPSR

CAC065-280330-



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE PHOENIX AZ

800 PM PDT WED AUG 27 2003



THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A



* FLASH FLOOD WARNING FOR JOSHUA TREE NATIONAL PARK...

  NORTH CENTRAL RIVERSIDE COUNTY IN SOUTHEAST CALIFORNIA



* UNTIL 830 PM PDT



* AT 754 PM PDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY 

  HEAVY RAIN 3 MILES SOUTHEAST OF YUCCA VALLEY...MOVING SOUTH

  AT 10 MPH.



THUNDERSTORMS WITH VERY HEAVY RAIN WERE BETWEEN THE WEST ENTRANCE

OF JOSHUA TREE AND BLACK ROCK CANYON...IN THE NORTHWEST PART

OF THE PARK.



EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS

AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO

TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN.



BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE

DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT

QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY

IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.



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. IF YOUR VEHICLE STALLS...ABANDON IT IMMEDIATELY AND SEEK

HIGHER GROUND.



TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY

RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN

PHOENIX.



LAT...LON 3401 11637 3378 11630 3389 11586 3401 11601

          3401 11617



$$

