JASPER IA-LUCAS IA-POLK IA-ADAIR IA-ADAMS IA-CLARKE IA-AUDUBON IA-
WRIGHT IA-DECATUR IA-BOONE IA-DALLAS IA-GUTHRIE IA-MAHASKA IA-
WEBSTER IA-MADISON IA-UNION IA-STORY IA-MARSHALL IA-WAYNE IA-
MARION IA-HARDIN IA-RINGGOLD IA-MONROE IA-HAMILTON IA-GREENE IA-
CASS IA-WARREN IA-
213 PM CST WED NOV 11 2015
…STRONG TO SEVERE THUNDERSTORMS APPROACHING DES MOINES METRO
AREA…WITH STRONG WINDS BEHIND THE STORMS…
AT 213 PM CST…DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 11 MILES NORTHEAST OF
ATLANTIC TO 3 MILES WEST OF MOUNT AYR…AND MOVING NORTHEAST AT 60
MPH.
LOCATIONS IMPACTED INCLUDE…
DES MOINES…AMES…WEST DES MOINES…ANKENY…URBANDALE…
JOHNSTON…CLIVE…NEWTON…INDIANOLA…ALTOONA…WAUKEE…BOONE…
PELLA…NORWALK…PLEASANT HILL…GRIMES…WEBSTER CITY…CRESTON…
PERRY AND KNOXVILLE.
THESE STORMS ARE MOVING RAPIDLY AND WILL BE CAPABLE OF PRODUCING
SEVERE WEATHER…INCLUDING TORNADOES…QUICKLY. THE STORMS ARE
EXPECTED TO REACH THE INTERSTATE 35 CORRIDOR…INCLUDING THE DES
MOINES METRO AREA BY AROUND 4 PM…WHICH WILL BE NEAR THE TIME OF
THE AFTERNOON COMMUTE.
AFTER THE STORMS MOVE THROUGH…STRONG NON-THUNDERSTORM WINDS WILL
PERSIST INTO THIS EVENING. THE WINDS WILL BE SUSTAINED AT 30 TO 40
MPH…WITH GUSTS AS HIGH AS 50 TO 60 MPH. THESE WINDS MAY BLOW
AROUND UNSECURED OUTDOOR OBJECTS…AND WILL POSE A HAZARD TO
TRAVELERS ESPECIALLY IN HIGH-PROFILE VEHICLES.
BE PREPARED FOR POTENTIALLY RAPIDLY DETERIORATING WEATHER
CONDITIONS…AND BE PREPARED TO SEEK SHELTER QUICKLY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CST FOR SOUTHWESTERN
IOWA.