247
WGUS53 KFSD 070802
FFWFSD
IAC149-193-071100-
/O.NEW.KFSD.FF.W.0015.260907T0802Z-260907T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
302 AM CDT MON SEP 7 2026
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN PLYMOUTH COUNTY IN NORTHWESTERN IOWA...
NORTHEASTERN WOODBURY COUNTY IN WEST CENTRAL IOWA...
* UNTIL 600 AM CDT.
* AT 302 AM CDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 2 AND 3 INCHES OF RAIN
HAVE FALLEN. THE EXPECTED RAINFALL RATE IS 1 TO 2 INCHES IN 1 HOUR.
ADDITIONAL RAINFALL AMOUNTS OF 0.5 TO 1.5 INCHES ARE POSSIBLE IN
THE WARNED AREA. FLASH FLOODING IS ONGOING OR EXPECTED TO BEGIN
SHORTLY.
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.
SOURCE...RADAR INDICATED.
IMPACT...FLASH FLOODING OF SMALL CREEKS AND STREAMS, URBAN AREAS,
HIGHWAYS, STREETS AND UNDERPASSES AS WELL AS OTHER POOR
DRAINAGE AND LOW-LYING AREAS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
KINGSLEY, CORRECTIONVILLE AND PIERSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
LAT...LON 4257 9613 4267 9606 4258 9586 4256 9586
4256 9583 4252 9574 4243 9579 4249 9599
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
SG
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