Headline

Severe Thunderstorm Watch issued April 15 at 12:28PM CDT until April 15 at 7:00PM CDT by NWS Des Moines IA

Description

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
119 IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 25 COUNTIES

IN CENTRAL IOWA

BOONE DALLAS GRUNDY
HAMILTON HARDIN JASPER
MARSHALL POLK POWESHIEK
STORY TAMA WEBSTER

IN NORTH CENTRAL IOWA

BUTLER FRANKLIN HUMBOLDT
WRIGHT

IN NORTHEAST IOWA

BLACK HAWK BREMER

IN WEST CENTRAL IOWA

AUDUBON CALHOUN CARROLL
CRAWFORD GREENE GUTHRIE
SAC

THIS INCLUDES THE CITIES OF ACKLEY, ADEL, ALLISON, AMES,
APLINGTON, AUDUBON, BAYARD, BELMOND, BOONE, CARROLL, CASEY,
CEDAR FALLS, CLARION, CLARKSVILLE, CONRAD, DENISON, DES MOINES,
DIKE, DUMONT, DYSART, EAGLE GROVE, EARLY, ELDORA, EXIRA,
FORT DODGE, GLADBROOK, GREENE, GRINNELL, GRUNDY CENTER,
GUTHRIE CENTER, HAMPTON, HUMBOLDT, IOWA FALLS, JEFFERSON,
LAKE CITY, LAKE VIEW, MANSON, MARSHALLTOWN, NEWTON, ODEBOLT,
PANORA, PARKERSBURG, PERRY, POMEROY, REINBECK, ROCKWELL CITY,
SAC CITY, SCHALLER, SHELL ROCK, TAMA, TOLEDO, TRAER, WALL LAKE,
WATERLOO, WAUKEE, WAVERLY, WEBSTER CITY, AND WELLSBURG.

* PRIMARY THREATS INCLUDE...

SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 3
INCHES IN DIAMETER LIKELY.
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 : 20%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 70%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 60%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 80%
MEAN STORM MOTION /MPH/ : E 45

Instructions

Additional Details