Alert Details
SEVERE THUNDERSTORM WATCH 437, PREVIOUSLY IN EFFECT UNTIL 7 PM CDT THIS EVENING, IS NOW IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 23 COUNTIES IN CENTRAL IOWA BOONE DALLAS GRUNDY HAMILTON HARDIN JASPER MARSHALL POLK POWESHIEK STORY TAMA WEBSTER IN NORTH CENTRAL IOWA BUTLER FRANKLIN HUMBOLDT WRIGHT IN NORTHEAST IOWA BLACK HAWK BREMER IN WEST CENTRAL IOWA AUDUBON CALHOUN CARROLL GREENE GUTHRIE THIS INCLUDES THE CITIES OF ACKLEY, ADEL, ALLISON, AMES, APLINGTON, AUDUBON, BAYARD, BELMOND, BOONE, CARROLL, CASEY, CEDAR FALLS, CLARION, CLARKSVILLE, CONRAD, DES MOINES, DIKE, DUMONT, DYSART, EAGLE GROVE, ELDORA, EXIRA, FORT DODGE, GLADBROOK, GREENE, GRINNELL, GRUNDY CENTER, GUTHRIE CENTER, HAMPTON, HUMBOLDT, IOWA FALLS, JEFFERSON, LAKE CITY, MANSON, MARSHALLTOWN, NEWTON, PANORA, PARKERSBURG, PERRY, POMEROY, REINBECK, ROCKWELL CITY, SHELL ROCK, TAMA, TOLEDO, TRAER, WATERLOO, WAUKEE, WAVERLY, WEBSTER CITY, AND WELLSBURG. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY. SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE. A TORNADO OR TWO POSSIBLE.