Severe Weather

New Warning (Harrison and Pottawattamie) until 8:30pm

BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
746 PM CDT SAT MAY 21 2011

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
SOUTHERN HARRISON COUNTY IN SOUTHWEST IOWA…
WESTERN POTTAWATTAMIE COUNTY IN SOUTHWEST IOWA…
DOUGLAS COUNTY IN EAST CENTRAL NEBRASKA…
NORTHEASTERN SARPY COUNTY IN EAST CENTRAL NEBRASKA…
SOUTHEASTERN WASHINGTON COUNTY IN EAST CENTRAL NEBRASKA…

* UNTIL 830 PM CDT

* AT 741 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 6 MILES NORTHWEST OF OMAHA…AND MOVING NORTH AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE…OMAHA…FORT CALHOUN…UNDERWOOD…MISSOURI VALLEY…MINDEN…CRESCENT…MCCLELLAND…WILSON ISLAND STATE PARK…DESOTO BEND NATIONAL WILDLIFE REFUGE AND NEOLA.

THE WARNED AREA INCLUDES INTERSTATE 80 IN NEBRASKA BETWEEN MILE
MARKERS 446 AND 454.

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 43 AND 75.

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.