

000 

WGUS53 KFSD 052352

FFWFSD

SDC009-135-060245-

/O.NEW.KFSD.FF.W.0014.080605T2349Z-080606T0245Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE SIOUX FALLS SD

649 PM CDT THU JUN 5 2008



THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  BON HOMME COUNTY IN SOUTHEAST SOUTH DAKOTA

  YANKTON COUNTY IN SOUTHEAST SOUTH DAKOTA



* UNTIL 945 PM CDT



* AT 648 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   

  VERY HEAVY RAINFALL CAPABLE OF PRODUCING FLASH FLOODING FROM A 

  THUNDERSTORM 20 MILES SOUTH OF TYNDALL...MOVING NORTHEAST AT 40 

  MPH. THIS STORM WILL BRING ADDITIONAL RAINFALL OF 1 INCH OR MORE 

  TO THIS AREA THROUGH 9 PM...ON TOP OF THE HEAVY RAINS THAT HAVE 

  SATURATED THE GROUND AND CAUSED FLOODING FOR THE PAST COUPLE DAYS.



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

  AVON...TABOR...YANKTON...UTICA...MISSION HILL...SCOTLAND...VOLIN

  AND MAYFIELD



RUNOFF FROM THESE NEW RAINS WILL CAUSE STREET FLOODING IN ANY 

URBANIZED AREA...AS WELL AS ADDITIONAL RISES AND FLOODING ON AREA 

STREAMS AND CREEKS.



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.



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.



LAT...LON 4280 9720 4285 9724 4286 9731 4286 9741

      4284 9745 4286 9763 4283 9769 4285 9772

      4284 9780 4286 9783 4290 9782 4290 9807

      4317 9806 4316 9718 4280 9717

TIME...MOT...LOC 2349Z 213DEG 53KT 4263 9799



$$



MG

