499
WWUS53 KDMX 082340
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
640 PM CDT TUE SEP 8 2026
IAC099-123-125-153-157-181-090000-
/O.CON.KDMX.SV.W.0334.000000T0000Z-260909T0000Z/
POWESHIEK IA-POLK IA-MARION IA-MAHASKA IA-JASPER IA-WARREN IA-
640 PM CDT TUE SEP 8 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHWESTERN POWESHIEK...POLK...MARION...NORTHWESTERN MAHASKA...
JASPER AND NORTHERN WARREN COUNTIES...
AT 640 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR ROCK CREEK STATE PARK TO SWAN, MOVING EAST AT 40
MPH.
HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...PUBLIC.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE
TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES,
ROOFS, AND OUTBUILDINGS.
LOCATIONS IMPACTED INCLUDE...
DES MOINES, WEST DES MOINES, ANKENY, JOHNSTON, NEWTON, INDIANOLA,
ALTOONA, PELLA, GRINNELL, NORWALK, PLEASANT HILL, KNOXVILLE,
CARLISLE, BONDURANT, SAYLORVILLE, MITCHELLVILLE, COLFAX, MONROE,
PLEASANTVILLE, AND PRAIRIE CITY.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 35 BETWEEN MILE MARKERS 87 AND 101.
INTERSTATE 80 BETWEEN MILE MARKERS 132 AND 183.
INTERSTATE 235 BETWEEN MILE MARKERS 5 AND 14.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
LAT...LON 4119 9298 4141 9374 4186 9364 4186 9263
TIME...MOT...LOC 2340Z 263DEG 36KT 4178 9288 4144 9333
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
HAGENHOFF
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