114
WGUS73 KDMX 030758
FFSDMX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
258 AM CDT FRI JUL 3 2026
IAC099-153-031015-
/O.CON.KDMX.FF.W.0012.000000T0000Z-260703T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JASPER IA-POLK IA-
258 AM CDT FRI JUL 3 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT EARLY THIS
MORNING FOR NORTHWESTERN JASPER AND NORTHERN POLK COUNTIES...
AT 258 AM CDT, THE IOWA DEPARTMENT OF TRANSPORTATION REPORTED 6 TO
12 INCHES OF WATER ON I-35 NORTHBOUND JUST NORTH OF ANKENY. PARTS OF
NORTHERN POLK COUNTY HAVE RECEIVED BETWEEN 4 AND 8 INCHES OF
RAINFALL PER RAIN GAGE OBSERVATIONS AND RADAR ESTIMATES. FOR
NORTHERN JASPER COUNTY, RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE MORE
COMMON. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN
THE WARNED AREA AS STORMS CONTINUE TO MOVE INTO THE AREA THIS
MORNING. FLASH FLOODING IS ONGOING OR EXPECTED TO BEGIN SHORTLY.
HAZARD...LIFE THREATENING FLASH FLOODING. THUNDERSTORMS PRODUCING
FLASH FLOODING.
SOURCE...DEPARTMENT OF TRANSPORTATION REPORTED.
IMPACT...LIFE THREATENING FLASH FLOODING OF CREEKS AND STREAMS,
URBAN AREAS, HIGHWAYS, STREETS AND UNDERPASSES.
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
ANKENY, JOHNSTON, NEWTON, BONDURANT, POLK CITY, COLFAX, GRANGER,
BAXTER, IOWA SPEEDWAY, SAYLORVILLE LAKE, BIG CREEK LAKE, ELKHART,
ALLEMAN, SHELDAHL, MINGO, LAMBS GROVE, VALERIA, NEWTON MUNICIPAL
AIRPORT AND BIG CREEK STATE PARK.
EXPECT SIGNIFICANT FLASH FLOODING IN THE FOURMILE CREEK BASIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
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 4186 9381 4186 9335 4186 9284 4166 9299
4169 9335 4172 9381
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
ANSORGE
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