BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1108 PM CDT TUE JUN 22 2010

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
SOUTHERN HARRISON COUNTY IN SOUTHWEST IOWA…
NORTHERN POTTAWATTAMIE COUNTY IN SOUTHWEST IOWA…
SOUTHERN SHELBY COUNTY IN SOUTHWEST IOWA…

* UNTIL MIDNIGHT CDT

* AT 1105 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL…AND DAMAGING WINDS OF AROUND 60 MPH OR HIGHER. THIS STORM WAS LOCATED 5 MILES WEST OF UNDERWOOD…OR 14 MILES NORTHEAST OF OMAHA…AND MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE… UNDERWOOD…LOGAN…MINDEN…PERSIA…SHELBY…AVOCA…WALNUT…HARLAN…MAGNOLIA…NEOLA…WOODBINE…HANCOCK…PORTSMOUTH…TENNANT…PANAMA…NISHNA BEND RECREATION AREA…WESTPHALIA…PRAIRIE ROSE STATE PARK AND KIRKMAN.

THE WARNED AREA INCLUDES INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 17 AND 8.

THE WARNED AREA INCLUDES INTERSTATE 29 IN IOWA BETWEEN MILE MARKERS 66 AND 75.

THE WARNED AREA INCLUDES HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 58 AND 80.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR…DESTRUCTIVE HAIL…DEADLY LIGHTNING…AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST LEVEL OF YOUR HOME OR BUSINESS. HEAVY RAIN CAN QUICKLY FLOOD ROADS…SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM…AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.