

000 

WGUS53 KFSD 250626

FFWFSD

IAC119-141-143-167-MNC133-250830-



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE SIOUX FALLS SD

124 AM CDT MON JUL 25 2005



THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  LYON COUNTY IN NORTHWEST IOWA

  OBRIEN COUNTY IN NORTHWEST IOWA

  OSCEOLA COUNTY IN NORTHWEST IOWA

  SIOUX COUNTY IN NORTHWEST IOWA

  SOUTHERN ROCK COUNTY IN SOUTHWEST MINNESOTA



* UNTIL 330 AM CDT



* AT 124 AM CDT...WEATHER SERVICE RADAR INDICATED AN AREA OF 

THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL. TWO TO FOUR INCHES OF 

RAIN HAS ALREADY FALLEN IN SOME AREAS...WITH ADDITIONAL RAINFALL OF 

1 TO 2 INCHES POSSIBLE THROUGH 300 AM. EMERGENCY MANAGEMENT REPORTED 

FLASH FLOODING NEAR STEEN ALONG THE LYON AND ROCK COUNTY LINE AT 100 

AM.



EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL

CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY

ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW

LYING AREAS ARE SUBJECT TO FLOODING.



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.



FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE

YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME

KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR

CREEKS.



LAT...LON 4359 9643 4295 9645 4296 9546 4337 9544



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