BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
606 PM CDT WED MAY 11 2011

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
SOUTHEASTERN ADAIR COUNTY IN SOUTHWEST IOWA…
NORTHWESTERN CLARKE COUNTY IN SOUTH CENTRAL IOWA…
MADISON COUNTY IN SOUTH CENTRAL IOWA…
NORTHERN UNION COUNTY IN SOUTH CENTRAL IOWA…

* UNTIL 700 PM CDT

* AT 602 PM CDT…TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE
THUNDERSTORMS PRODUCING QUARTER SIZE HAIL…AND DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 7 MILES SOUTHEAST OF GREENFIELD TO 14 MILES NORTHEAST OF
CRESTON TO 15 MILES WEST OF OSCEOLA…AND MOVING NORTHEAST AT 35
MPH.

* LOCATIONS IMPACTED INCLUDE…
WINTERSET…EARLHAM…LORIMOR…MACKSBURG…MURRAY…EAST PERU…
TRURO…PATTERSON AND ST. CHARLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

MOVE TO AN INTERIOR ROOM AND STAY AWAY FROM WINDOWS. IF YOU ARE IN A
MOBILE HOME…GET OUT NOW…AND SEEK SHELTER IN A REINFORCED
BUILDING.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING. IF A
TORNADO IS SPOTTED…IMMEDIATELY MOVE TO THE BASEMENT OR SMALL
INTERIOR ROOM OF A REINFORCED BUILDING.