TORNADO WATCH 500 REMAINS VALID UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 19 COUNTIES IN CENTRAL IOWA BOONE DALLAS GRUNDY HAMILTON HARDIN JASPER MARSHALL POLK POWESHIEK STORY TAMA WEBSTER IN SOUTH CENTRAL IOWA MADISON MAHASKA MARION WARREN IN SOUTHWEST IOWA ADAIR IN WEST CENTRAL IOWA GREENE GUTHRIE THIS INCLUDES THE CITIES OF ACKLEY, ADAIR, ADEL, AMES, BAYARD, BOONE, CARLISLE, CASEY, CONRAD, DES MOINES, DIKE, DYSART, EARLHAM, ELDORA, FONTANELLE, FORT DODGE, GLADBROOK, GREENFIELD, GRINNELL, GRUNDY CENTER, GUTHRIE CENTER, INDIANOLA, IOWA FALLS, JEFFERSON, KNOXVILLE, MARSHALLTOWN, NEWTON, NORWALK, OSKALOOSA, PANORA, PELLA, PERRY, REINBECK, STUART, TAMA, TOLEDO, TRAER, WAUKEE, WEBSTER CITY, WELLSBURG, AND WINTERSET. * PRIMARY THREATS INCLUDE... A FEW TORNADOES LIKELY WITH A COUPLE INTENSE TORNADOES POSSIBLE. SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 75 MPH POSSIBLE. SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5 INCHES IN DIAMETER POSSIBLE.