BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
856 PM CDT MON JUN 20 2011

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
EASTERN HARRISON COUNTY IN SOUTHWEST IOWA…
SOUTHEASTERN MONONA COUNTY IN WEST CENTRAL IOWA…
POTTAWATTAMIE COUNTY IN SOUTHWEST IOWA…
SHELBY COUNTY IN SOUTHWEST IOWA…

* UNTIL 945 PM CDT

* AT 853 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS OF
AROUND 60 MPH OR HIGHER. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM MOORHEAD TO TREYNOR…AND MOVING EAST AT 35 MPH.
PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

* LOCATIONS IMPACTED INCLUDE…
PERSIA…MINDEN…CARSON…SHELBY…OAKLAND…EARLING…AVOCA…
HARLAN…DEFIANCE…WALNUT…IRWIN…ELK HORN…NEOLA…DUNLAP…
PORTSMOUTH…PANAMA…TENNANT…HANCOCK…WESTPHALIA AND NISHNA
BEND RECREATION AREA.

THE WARNED AREA INCLUDES INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS
17 AND 48.

THE WARNED AREA INCLUDES HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 48
AND 91.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY…IF A TORNADO IS SPOTTED…ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE…SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.