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THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 710 IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 20 COUNTIES IN CENTRAL IOWA BOONE GRUNDY HAMILTON HARDIN JASPER MARSHALL POLK POWESHIEK STORY TAMA WEBSTER IN NORTH CENTRAL IOWA FRANKLIN HUMBOLDT WRIGHT IN NORTHWEST IOWA PALO ALTO POCAHONTAS IN SOUTH CENTRAL IOWA MAHASKA MARION IN SOUTHEAST IOWA WAPELLO IN WEST CENTRAL IOWA CALHOUN THIS INCLUDES THE CITIES OF ACKLEY, AMES, BELMOND, BOONE, CLARION, CONRAD, DES MOINES, DIKE, DYSART, EAGLE GROVE, ELDORA, EMMETSBURG, FONDA, FORT DODGE, GILMORE CITY, GLADBROOK, GRINNELL, GRUNDY CENTER, HAMPTON, HUMBOLDT, IOWA FALLS, KNOXVILLE, LAKE CITY, LAURENS, MANSON, MARSHALLTOWN, NEWTON, OSKALOOSA, OTTUMWA, PELLA, POCAHONTAS, POMEROY, REINBECK, ROCKWELL CITY, ROLFE, TAMA, TOLEDO, TRAER, WEBSTER CITY, AND WELLSBURG.

* PRIMARY THREATS INCLUDE... A FEW TORNADOES POSSIBLE. ISOLATED DAMAGING WIND GUSTS TO 60 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : 50% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 20% PROB OF 10 OR MORE SEVERE WIND EVENTS : 20% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 10% 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 : 50% MEAN STORM MOTION /MPH/ : N 25

* AFFECTED AREAS: BOONE, IA ... CALHOUN, IA ... FRANKLIN, IA ... GRUNDY, IA ... HAMILTON, IA ... HARDIN, IA ... HUMBOLDT, IA ... JASPER, IA ... MAHASKA, IA ... MARION, IA ... MARSHALL, IA ... PALO ALTO, IA ... POCAHONTAS, IA ... POLK, IA ... POWESHIEK, IA ... STORY, IA ... TAMA, IA ... WAPELLO, IA ... WEBSTER, IA ... WRIGHT, IA