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THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 16 IN EFFECT UNTIL 8 PM CST THIS EVENING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 24 COUNTIES IN CENTRAL IOWA BOONE DALLAS GRUNDY HAMILTON HARDIN JASPER MARSHALL POLK POWESHIEK STORY TAMA WEBSTER IN NORTH CENTRAL IOWA BUTLER CERRO GORDO FRANKLIN HANCOCK HUMBOLDT KOSSUTH WINNEBAGO WORTH WRIGHT IN NORTHEAST IOWA BLACK HAWK BREMER IN NORTHWEST IOWA PALO ALTO THIS INCLUDES THE CITIES OF ACKLEY, ADEL, ALGONA, ALLISON, AMES, APLINGTON, BELMOND, BOONE, BRITT, CEDAR FALLS, CLARION, CLARKSVILLE, CLEAR LAKE, CONRAD, DES MOINES, DIKE, DUMONT, DYSART, EAGLE GROVE, ELDORA, EMMETSBURG, FOREST CITY, FORT DODGE, GARNER, GLADBROOK, GREENE, GRINNELL, GRUNDY CENTER, HAMPTON, HUMBOLDT, IOWA FALLS, KANAWHA, LAKE MILLS, MANLY, MARSHALLTOWN, MASON CITY, NEWTON, NORTHWOOD, PARKERSBURG, PERRY, REINBECK, SHELL ROCK, TAMA, TOLEDO, TRAER, WATERLOO, WAUKEE, WAVERLY, WEBSTER CITY, AND WELLSBURG.

* PRIMARY THREATS INCLUDE... A COUPLE TORNADOES POSSIBLE. SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE. SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : 40% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 20% PROB OF 10 OR MORE SEVERE WIND EVENTS : 40% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 20% PROB OF 10 OR MORE SEVERE HAIL EVENTS : 40% 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/ : NE 45

* AFFECTED AREAS: BLACK HAWK, IA ... BOONE, IA ... BREMER, IA ... BUTLER, IA ... CERRO GORDO, IA ... DALLAS, IA ... FRANKLIN, IA ... GRUNDY, IA ... HAMILTON, IA ... HANCOCK, IA ... HARDIN, IA ... HUMBOLDT, IA ... JASPER, IA ... KOSSUTH, IA ... MARSHALL, IA ... PALO ALTO, IA ... POLK, IA ... POWESHIEK, IA ... STORY, IA ... TAMA, IA ... WEBSTER, IA ... WINNEBAGO, IA ... WORTH, IA ... WRIGHT, IA