Weather Watch Clearance Notification
Issued by NWS Des Moines, IA

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WWUS63 KDMX 191955
WCNDMX

WATCH COUNTY NOTIFICATION FOR WATCH 484
NATIONAL WEATHER SERVICE DES MOINES IA
255 PM CDT MON SEP 19 2016

IAC099-123-125-127-135-157-171-179-200300-
/O.NEW.KDMX.TO.A.0484.160919T1955Z-160920T0300Z/

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 484 IN
EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 8 COUNTIES

IN CENTRAL IOWA

JASPER                MARSHALL              POWESHIEK
TAMA

IN SOUTH CENTRAL IOWA

MAHASKA               MARION                MONROE

IN SOUTHEAST IOWA

WAPELLO

THIS INCLUDES THE CITIES OF...ALBIA...DYSART...GLADBROOK...
GRINNELL...KNOXVILLE...MARSHALLTOWN...NEWTON...OSKALOOSA...
OTTUMWA...PELLA...TAMA...TOLEDO AND TRAER.

* PRIMARY THREATS INCLUDE...

 A COUPLE TORNADOES POSSIBLE.
 SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
   INCHES IN DIAMETER POSSIBLE.
 ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE.

PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES                        :  40%
PROB OF 1 OR MORE STRONG /F2-F5/ TORNADOES         :  20%
PROB OF 10 OR MORE SEVERE WIND EVENTS              :  30%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH            :  10%
PROB OF 10 OR MORE SEVERE HAIL EVENTS              :  50%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES          :  40%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS :  80%
MEAN STORM MOTION /MPH/                            :  SE 30

$$

REV



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