590
WUUS53 KDMX 131211
SVRDMX
IAC099-127-157-169-171-131300-
/O.NEW.KDMX.SV.W.0323.260813T1211Z-260813T1300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
711 AM CDT THU AUG 13 2026
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN POWESHIEK COUNTY IN CENTRAL IOWA...
SOUTHEASTERN STORY COUNTY IN CENTRAL IOWA...
MARSHALL COUNTY IN CENTRAL IOWA...
SOUTHWESTERN TAMA COUNTY IN CENTRAL IOWA...
JASPER COUNTY IN CENTRAL IOWA...
* UNTIL 800 AM CDT.
* AT 711 AM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM COLO TO BAXTER TO NEAR RUNNELLS, MOVING EAST AT 40
MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.
* LOCATIONS IMPACTED INCLUDE...
MARSHALLTOWN, NEWTON, GRINNELL, TAMA, COLFAX, MONROE, PRAIRIE CITY,
STATE CENTER, BAXTER, IOWA SPEEDWAY, MESKWAKI CASINO, ROCK CREEK
LAKE, LE GRAND, COLO, MELBOURNE, SULLY, KELLOGG, GILMAN, LYNNVILLE,
AND RHODES.
THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 153 AND 190.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
LAT...LON 4208 9274 4186 9246 4151 9270 4152 9333
4184 9326 4207 9336
TIME...MOT...LOC 1211Z 269DEG 36KT 4204 9330 4184 9314 4153 9330
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
HAHN
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