BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1134 PM CDT MON JUN 20 2011

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
EASTERN DALLAS COUNTY IN CENTRAL IOWA…
NORTHEASTERN MADISON COUNTY IN SOUTH CENTRAL IOWA…
POLK COUNTY IN CENTRAL IOWA…
NORTHWESTERN WARREN COUNTY IN SOUTH CENTRAL IOWA…

* UNTIL MIDNIGHT CDT

* AT 1130 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL…AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WAUKEE…OR 10 MILES WEST OF DES MOINES…AND MOVING NORTH AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE…GRIMES…JOHNSTON…ALTOONA…BONDURANT…ANKENY…POLK CITY…WOODWARD…SAYLORVILLE…ANKENY AIRPORT…GRANGER…SAYLORVILLE LAKE…ALLEMAN AND ELKHART.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 103 AND 143.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 60 AND 102.

THIS INCLUDES INTERSTATE 235 BETWEEN MILE MARKERS 1 AND 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

LARGE HAIL CAN CAUSE INJURY AND PROPERTY DAMAGE. SEEK SAFETY INDOORS UNTIL THE STORM PASSES.

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.