iNWS Alert

IAC001-003-007-029-039-051-053-099-117-121-123-125-135-157-159-
173-175-179-181-185-060800-
/O.NEW.KDMX.SV.A.0276.260606T0306Z-260606T0800Z/

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
276 IN EFFECT UNTIL 3 AM CDT SATURDAY FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 20 COUNTIES

IN CENTRAL IOWA

JASPER POWESHIEK

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, GRINNELL,
HUMESTON, INDIANOLA, KNOXVILLE, LAMONI, LENOX, LEON, MOUNT AYR,
NEW MARKET, NEWTON, 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 POSSIBLE.
SCATTERED DAMAGING WIND GUSTS TO 70 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 : 10%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 40%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 70%
MEAN STORM MOTION /MPH/ : E 30