Advarsler, Roberts Hall

Severe Thunderstorm Watch issued June 17 at 3:58AM CDT until June 17 at 11:00AM CDT by NWS Des Moines IA THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 339 IN EFFECT UNTIL 11 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 44 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 EMMET PALO ALTO POCAHONTAS IN SOUTH CENTRAL IOWA APPANOOSE CLARKE LUCAS MADISON MAHASKA MARION MONROE WARREN WAYNE IN SOUTHEAST IOWA DAVIS WAPELLO IN WEST CENTRAL IOWA AUDUBON CALHOUN CARROLL CRAWFORD GREENE GUTHRIE SAC THIS INCLUDES THE CITIES OF ACKLEY, ADEL, ALBIA, ALGONA, ALLERTON, ALLISON, AMES, APLINGTON, AUDUBON, BAYARD, BELMOND, BLOOMFIELD, BOONE, BRITT, CARLISLE, CARROLL, CASEY, CEDAR FALLS, CENTERVILLE, CHARITON, CLARION, CLARKSVILLE, CLEAR LAKE, CONRAD, CORYDON, DENISON, DES MOINES, DIKE, DUMONT, DYSART, EAGLE GROVE, EARLHAM, EARLY, ELDORA, EMMETSBURG, ESTHERVILLE, EXIRA, FONDA, FOREST CITY, FORT DODGE, GARNER, GILMORE CITY, GLADBROOK, GREENE, GRINNELL, GRUNDY CENTER, GUTHRIE CENTER, HAMPTON, HUMBOLDT, HUMESTON, INDIANOLA, IOWA FALLS, JEFFERSON, KANAWHA, KNOXVILLE, LAKE CITY, LAKE MILLS, LAKE VIEW, LAURENS, MANLY, MANSON, MARSHALLTOWN, MASON CITY, NEWTON, NORTHWOOD, NORWALK, ODEBOLT, OSCEOLA, OSKALOOSA, OTTUMWA, PANORA, PARKERSBURG, PELLA, PERRY, POCAHONTAS, POMEROY, REINBECK, ROCKWELL CITY, ROLFE, SAC CITY, SCHALLER, SEYMOUR, SHELL ROCK, TAMA, TOLEDO, TRAER, WALL LAKE, WATERLOO, WAUKEE, WAVERLY, WEBSTER CITY, WELLSBURG, AND WINTERSET. * PRIMARY THREATS INCLUDE... SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5 INCHES IN DIAMETER POSSIBLE. SCATTERED DAMAGING WIND GUSTS TO 60 MPH POSSIBLE. A TORNADO OR TWO POSSIBLE. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : 20% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 10% PROB OF 10 OR MORE SEVERE WIND EVENTS : 40% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : <05% PROB OF 10 OR MORE SEVERE HAIL EVENTS : 50% PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30% PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 90% MEAN STORM MOTION /MPH/ : E 50