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
