The Ames Police Department posted this on Facebook about an hour ago
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 11 PM CDT THIS EVENING FOR THE FOLLOWING AREAS
IN IOWA THIS WATCH INCLUDES 20 COUNTIES
IN CENTRAL IOWA
BOONE DALLAS JASPER
POLK POWESHIEK STORY
IN SOUTH CENTRAL IOWA
APPANOOSE CLARKE DECATUR
LUCAS MADISON MAHASKA
MARION MONROE RINGGOLD
UNION WARREN WAYNE
IN SOUTHEAST IOWA
DAVIS WAPELLO
THIS INCLUDES THE CITIES OF ADEL, ALBIA, ALLERTON, AMES,
BLOOMFIELD, BOONE, CARLISLE, CENTERVILLE, CHARITON, CORYDON,
CRESTON, DES MOINES, EARLHAM, GRINNELL, HUMESTON, INDIANOLA,
KNOXVILLE, LAMONI, LEON, MOUNT AYR, NEWTON, NORWALK, OSCEOLA,
OSKALOOSA, OTTUMWA, PELLA, PERRY, SEYMOUR, WAUKEE, AND WINTERSET.
* PRIMARY THREATS INCLUDE...
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER LIKELY.
SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY. A TORNADO OR TWO POSSIBLE.
PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 20% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 05%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 60% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 20%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 60% PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 60%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : >95%
MEAN STORM MOTION /MPH/ : E 35
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