Severe Thunderstorm Watch issued May 19 at 3:43PM CDT until May 19 at 10:00PM CDT by NWS Des Moines IA

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
296 IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING
AREAS

IN IOWA THIS WATCH INCLUDES 18 COUNTIES

IN SOUTH CENTRAL IOWA

APPANOOSE CLARKE DECATUR
LUCAS MADISON MAHASKA
MARION MONROE RINGGOLD
UNION WARREN WAYNE

IN SOUTHEAST IOWA

DAVIS WAPELLO

IN SOUTHWEST IOWA

ADAIR ADAMS CASS
TAYLOR

THIS INCLUDES THE CITIES OF ADAIR, ALBIA, ALLERTON, ATLANTIC,
BEDFORD, BLOOMFIELD, CARLISLE, CENTERVILLE, CHARITON, CORNING,
CORYDON, CRESTON, EARLHAM, FONTANELLE, GREENFIELD, HUMESTON,
INDIANOLA, KNOXVILLE, LAMONI, LENOX, LEON, MOUNT AYR, NEW MARKET,
NORWALK, OSCEOLA, OSKALOOSA, OTTUMWA, PELLA, SEYMOUR, STUART,
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 POSSIBLE.

PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 10%
PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 05%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 50%
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 : 90%
MEAN STORM MOTION /MPH/ : NE 35