BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1258 AM CDT SUN JUL 18 2010

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
CALHOUN COUNTY IN WEST CENTRAL IOWA…
POCAHONTAS COUNTY IN NORTHWEST IOWA…
NORTHEASTERN SAC COUNTY IN WEST CENTRAL IOWA…
WESTERN WEBSTER COUNTY IN CENTRAL IOWA…

* UNTIL 200 AM CDT

* AT 1254 AM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL…AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6 MILES WEST OF ALBERT CITY TO 9 MILES SOUTH OF POCAHONTAS TO 8 MILES NORTHEAST OF MANSON…AND MOVING SOUTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE…MANSON…ROCKWELL CITY…VARINA…POMEROY…BARNUM…FONDA…KNIERIM…MOORLAND…JOLLEY…SOMERS…CALLENDER AND RINARD.

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.

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.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS…DEADLY CLOUD TO GROUND LIGHTNING IS OCCURRING CONTINUOUSLY WITH THIS STORM.