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WWUS63 KDMX 160028
WCNDMX

WATCH COUNTY NOTIFICATION FOR WATCH 421
NATIONAL WEATHER SERVICE DES MOINES IA
728 PM CDT SAT JUN 15 2024

IAC001-003-009-015-025-027-029-039-047-049-053-073-077-079-083-
099-117-121-125-127-151-153-159-161-169-173-175-181-185-187-
160700-
/O.NEW.KDMX.SV.A.0421.240616T0028Z-240616T0700Z/

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
421 IN EFFECT UNTIL 2 AM CDT SUNDAY FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 30 COUNTIES

IN CENTRAL IOWA

BOONE                 DALLAS                HAMILTON
HARDIN                JASPER                MARSHALL
POLK                  STORY                 WEBSTER

IN NORTHWEST IOWA

POCAHONTAS

IN SOUTH CENTRAL IOWA

CLARKE                DECATUR               LUCAS
MADISON               MARION                RINGGOLD
UNION                 WARREN                WAYNE

IN SOUTHWEST IOWA

ADAIR                 ADAMS                 CASS
TAYLOR

IN WEST CENTRAL IOWA

AUDUBON               CALHOUN               CARROLL
CRAWFORD              GREENE                GUTHRIE
SAC

THIS INCLUDES THE CITIES OF ACKLEY, ADAIR, ADEL, ALLERTON, AMES,
ATLANTIC, AUDUBON, BAYARD, BEDFORD, BOONE, CARLISLE, CARROLL,
CASEY, CHARITON, CORNING, CORYDON, CRESTON, DENISON, DES MOINES,
EARLHAM, EARLY, ELDORA, EXIRA, FONDA, FONTANELLE, FORT DODGE,
GILMORE CITY, GREENFIELD, GUTHRIE CENTER, HUMESTON, INDIANOLA,
IOWA FALLS, JEFFERSON, KNOXVILLE, LAKE CITY, LAKE VIEW, LAMONI,
LAURENS, LENOX, LEON, MANSON, MARSHALLTOWN, MOUNT AYR,
NEW MARKET, NEWTON, NORWALK, ODEBOLT, OSCEOLA, PANORA, PELLA,
PERRY, POCAHONTAS, POMEROY, ROCKWELL CITY, ROLFE, SAC CITY,
SCHALLER, SEYMOUR, STUART, WALL LAKE, WAUKEE, WEBSTER CITY,
AND WINTERSET.

* PRIMARY THREATS INCLUDE...

 SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75
   MPH POSSIBLE.
 ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE.
 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              :  50%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH            :  30%
PROB OF 10 OR MORE SEVERE HAIL EVENTS              :  30%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES          :  20%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS :  70%
MEAN STORM MOTION /MPH/                            :  NE 40

$$