BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
543 PM CDT THU AUG 18 2011

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
MONONA COUNTY IN WEST CENTRAL IOWA…
NORTHEASTERN BURT COUNTY IN EAST CENTRAL NEBRASKA…
THURSTON COUNTY IN NORTHEAST NEBRASKA…

* UNTIL 630 PM CDT

* AT 540 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL…AND DAMAGING WINDS OF AROUND 60 MPH OR HIGHER. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM WALTHILL TO 5 MILES NORTHEAST OF ONAWA…AND MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE…ONAWA…UTE…DECATUR…MOORHEAD…CASTANA…TURIN…LEWIS AND CLARK STATE PARK…SOLDIER…BLENCOE AND PREPARATION CANYON STATE PARK.

THE WARNED AREA INCLUDES INTERSTATE 29 IN IOWA BETWEEN MILE MARKERS 105 AND 125.

THE WARNED AREA INCLUDES HIGHWAY 77 IN NEBRASKA BETWEEN MILE MARKERS 159 AND 169.

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.