BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
934 PM CDT MON JUN 20 2011

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
WESTERN BUENA VISTA COUNTY IN NORTHWEST IOWA…
CHEROKEE COUNTY IN NORTHWEST IOWA…
WESTERN CLAY COUNTY IN NORTHWEST IOWA…
NORTHERN IDA COUNTY IN WEST CENTRAL IOWA…
O’BRIEN COUNTY IN NORTHWEST IOWA…
PLYMOUTH COUNTY IN NORTHWEST IOWA…
SIOUX COUNTY IN NORTHWEST IOWA…
SOUTHEASTERN LINCOLN COUNTY IN SOUTHEAST SOUTH DAKOTA…

* UNTIL 1015 PM CDT

* AT 935 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM HOLSTEIN TO 6 MILES NORTH OF
JEFFERSON…AND MOVING NORTH AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR…
QUIMBY AND MERRILL AROUND 940 PM CDT…
LE MARS AND AKRON AROUND 945 PM CDT…
AURELIA AND ALTA AROUND 950 PM CDT…
REMSEN…MARCUS…CRAIG AND CHEROKEE AROUND 955 PM CDT…
STRUBLE AND CLEGHORN AROUND 1000 PM CDT…
MAURICE…LARRABEE…IRETON AND HAWARDEN AROUND 1005 PM CDT…
ALTON AROUND 1010 PM CDT…
PAULLINA…SIOUX CENTER AND SUTHERLAND AROUND 1015 PM CDT…

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
OYENS…BRUNSVILLE…CHATSWORTH…MERIDEN AND CALUMET.

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.

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WIND. THIS IS AN
EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT TUESDAY MORNING
FOR NORTHWESTERN IOWA AND SOUTHWEST MINNESOTA AND NORTHEAST NEBRASKA
AND SOUTHEASTERN SOUTH DAKOTA.