BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
511 PM CDT TUE APR 6 2010

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
NORTHERN BLACK HAWK COUNTY IN NORTHEAST IOWA…
SOUTHEASTERN BREMER COUNTY IN NORTHEAST IOWA…

* UNTIL 545 PM CDT

* AT 506 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL…AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CEDAR FALLS…OR 5 MILES NORTHWEST OF WATERLOO…AND MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE…
EVANSDALE…DENVER…ELK RUN HEIGHTS…DUNKERTON…READLYN AND ORAN.

THIS INCLUDES INTERSTATE 380 BETWEEN MILE MARKERS 69 AND 73.

THIS WARNING EXTENDS THE SEVERE THUNDERSTORM WARNING PREVIOUSLY IN EFFECT FOR THE AREA. HAIL TO GOLFBALL SIZE CONTINUES TO BE REPORTED WITH THIS STORM AROUND CEDAR FALLS AND THE WATERLOO AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY LIKELY…IF A TORNADO IS SPOTTED…ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE…SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!