

000 

WGUS53 KFSD 220321

FFWFSD

SDC027-127-220615-



BULLETIN - EAS ACTIVATION REQUESTED

TEST...FLASH FLOOD WARNING...TEST

NATIONAL WEATHER SERVICE SIOUX FALLS SD

1016 PM CDT THU APR 21 2005



THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  CLAY COUNTY IN SOUTHEAST SOUTH DAKOTA

  UNION COUNTY IN SOUTHEAST SOUTH DAKOTA



* UNTIL 115 AM CDT



* AT 1010 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED

  FLASH FLOODING FROM THUNDERSTORMS OVER THE WARNED AREA.



ADDITIONAL RAINFALL AMOUNTS OF AROUND 1 INCH ARE POSSIBLE IN THE 

WARNED AREA.



AT 1015 PM CDT...A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN 

CONTINUED IN A BAND THAT EXTENDED FROM NORTHEAST OF VERMILLION TO

NEAR AKRON IOWA. THE THUNDERSTORMS WERE NEARLY STATIONARY. IT IS 

ESTIMATED 1 TO 2 INCHES OF RAIN HAS FALLEN IN THIS SMALL AREA...

OVER ALREADY SATURATED GROUND. 



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.



LAT...LON 4278 9707 4272 9663 4308 9652 4309 9706



$$

RSR

