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

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
NORTHWESTERN MONONA COUNTY IN WEST CENTRAL IOWA…
NORTHERN BURT COUNTY IN EAST CENTRAL NEBRASKA…
NORTHEASTERN CUMING COUNTY IN NORTHEAST NEBRASKA…
THURSTON COUNTY IN NORTHEAST NEBRASKA…
SOUTHEASTERN WAYNE COUNTY IN NORTHEAST NEBRASKA…

* UNTIL 700 PM CDT

* AT 609 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL…AND DAMAGING WINDS OF 65 MPH OR HIGHER. THIS STORM WAS LOCATED NEAR EMERSON…OR 25 MILES SOUTHWEST OF SIOUX CITY…AND MOVING SOUTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE…WINNEBAGO…PENDER…WALTHILL…BANCROFT…MACY…LYONS…DECATUR…THURSTON…THE HIGHWAY 9 AND 51 JUNCTION AND ROSALIE.

THE WARNED AREA INCLUDES HIGHWAY 77 IN NEBRASKA BETWEEN MILE MARKERS 147 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.