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000 

WGUS53 KFSD 090430

FFWFSD

SDC053-090730-



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE SIOUX FALLS SD

1128 PM CDT TUE JUN 8 2004



THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  NORTHERN GREGORY COUNTY IN SOUTH CENTRAL SOUTH DAKOTA



* UNTIL 230 AM CDT



* AT 1123 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            

  INDICATED POTENTIAL FLASH FLOODING FROM A THUNDERSTORM OVER        

  NORTHERN GREGORY COUNTY...MOVING EAST AT 20 MPH.



TRAINING OF THUNDERSTORMS OVER THE SAME AREA...WITH ESTIMATED 

RAINFALL OVER NORTHERN GREGORY OF 3 TO 4 INCHES WILL LIKELY CAUSE 

AREAS OF FLASH FLOODING. ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 

INCHES ARE POSSIBLE IN THE WARNED AREA THROUGH 200 AM CDT.



EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL

CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE

BANKS OF CREEKS AND STREAMS.



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

DANGERS OF FLOODING. 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.



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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.

MOVE TO HIGHER GROUND.



LAT...LON 4350 9952 4320 9951 4320 9890 4349 9934



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