Severe Thunderstorm Watch

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 473 IN EFFECT UNTIL MIDNIGHT CDT TONIGHT FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 27 COUNTIES

IN CENTRAL IOWA

BOONE DALLAS GRUNDY HAMILTON HARDIN STORY WEBSTER

IN NORTH CENTRAL IOWA

BUTLER CERRO GORDO FRANKLIN HANCOCK HUMBOLDT KOSSUTH WINNEBAGO WORTH WRIGHT

IN NORTHEAST IOWA

BREMER

IN NORTHWEST IOWA

PALO ALTO POCAHONTAS

IN SOUTHWEST IOWA

CASS

IN WEST CENTRAL IOWA

AUDUBON CALHOUN CARROLL CRAWFORD GREENE GUTHRIE SAC

THIS INCLUDES THE CITIES OF ACKLEY, ADEL, ALGONA, ALLISON, AMES, APLINGTON, ATLANTIC, AUDUBON, BAYARD, BELMOND, BOONE, BRITT, CARROLL, CASEY, CLARION, CLARKSVILLE, CLEAR LAKE, CONRAD, DENISON, DIKE, DUMONT, EAGLE GROVE, EARLY, ELDORA, EMMETSBURG, EXIRA, FONDA, FOREST CITY, FORT DODGE, GARNER, GILMORE CITY, GREENE, GRUNDY CENTER, GUTHRIE CENTER, HAMPTON, HUMBOLDT, IOWA FALLS, JEFFERSON, KANAWHA, LAKE CITY, LAKE MILLS, LAKE VIEW, LAURENS, MANLY, MANSON, MASON CITY, NORTHWOOD, ODEBOLT, PANORA, PARKERSBURG, PERRY, POCAHONTAS, POMEROY, REINBECK, ROCKWELL CITY, ROLFE, SAC CITY, SCHALLER, SHELL ROCK, WALL LAKE, WAUKEE, WAVERLY, WEBSTER CITY, AND WELLSBURG.

* PRIMARY THREATS INCLUDE...

SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE.

PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : 10% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : <02% PROB OF 10 OR MORE SEVERE WIND EVENTS : 50% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 20% PROB OF 10 OR MORE SEVERE HAIL EVENTS : 20% PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 10% PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 70% MEAN STORM MOTION /MPH/ : SE 25