502
WGUS53 KDMX 210035
FFWDMX
IAC015-099-127-153-169-210645-
/O.NEW.KDMX.FF.W.0020.260721T0035Z-260721T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
735 PM CDT MON JUL 20 2026
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN BOONE COUNTY IN CENTRAL IOWA...
NORTHWESTERN JASPER COUNTY IN CENTRAL IOWA...
SOUTHWESTERN MARSHALL COUNTY IN CENTRAL IOWA...
NORTHERN POLK COUNTY IN CENTRAL IOWA...
SOUTHERN STORY COUNTY IN CENTRAL IOWA...
* UNTIL 145 AM CDT TUESDAY.
* AT 735 PM CDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 2 AND 3 INCHES OF RAIN
HAVE FALLEN. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE
POSSIBLE IN THE WARNED AREA. FLASH FLOODING IS ONGOING OR EXPECTED
TO BEGIN SHORTLY.
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.
SOURCE...RADAR.
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...
AMES, ANKENY, NEVADA, BONDURANT, HUXLEY, MITCHELLVILLE, COLFAX,
SLATER, IOWA STATE CENTER, BIG CREEK LAKE, MAXWELL, CAMBRIDGE,
ELKHART, COLLINS, ALLEMAN, SHELDAHL, KELLEY, MINGO, VALERIA AND
AMES MUNICIPAL AIRPORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR THE LATEST STREAM OBSERVATIONS AND FORECASTS REFER TO
WEATHER.GOV/DESMOINES/WATER.
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 4204 9379 4213 9377 4210 9370 4192 9323
4188 9313 4161 9330 4163 9335 4186 9381
FLASH FLOOD...RADAR INDICATED
JIMENEZ
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page