BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
509 PM CDT FRI JUN 18 2010

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
BLACK HAWK COUNTY IN NORTHEAST IOWA…
SOUTHEASTERN GRUNDY COUNTY IN CENTRAL IOWA…
NORTHERN TAMA COUNTY IN CENTRAL IOWA…

* UNTIL 600 PM CDT

* AT 505 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 7 MILES SOUTHEAST OF GRUNDY CENTER…OR 24 MILES SOUTHWEST OF WATERLOO…AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE…
WATERLOO…REINBECK…HUDSON…CEDAR FALLS…DYSART…EVANSDALE…
LA PORTE CITY…DIKE…TRAER…ELK RUN HEIGHTS…RAYMOND…
GILBERTVILLE AND DUNKERTON.

THIS INCLUDES INTERSTATE 380 BETWEEN MILE MARKERS 56 AND 73.

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.