BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1046 PM CDT MON JUN 20 2011
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR…
NORTHEASTERN CLAY COUNTY IN NORTHWEST IOWA…
DICKINSON COUNTY IN NORTHWEST IOWA…
NORTHEASTERN LYON COUNTY IN NORTHWEST IOWA…
OSCEOLA COUNTY IN NORTHWEST IOWA…
JACKSON COUNTY IN SOUTHWEST MINNESOTA…
NOBLES COUNTY IN SOUTHWEST MINNESOTA…
EASTERN ROCK COUNTY IN SOUTHWEST MINNESOTA…
* UNTIL 1115 PM CDT
* AT 1046 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 7 MILES NORTH OF ROCK RAPIDS TO 9 MILES
SOUTH OF LAKE PARK…AND MOVING NORTH AT 60 MPH.
IN ADDITION BRIEF CIRCULLATIONS HAVE BEEN OCCURING ALONG THIS LINE
OF THUNDERSTORMS. THESE CIRCULATIONS ARE CAPABLE OF PRODUCING
ENCHANCED WINDS OF UP TO 80 MPH AND BRIEF TORNADOES.
* SEVERE THUNDERSTORMS WILL BE NEAR…
BLUE MOUNDS STATE PARK…SUPERIOR…SPIRIT LAKE AND ORLEANS AROUND
1055 PM CDT…
HARDWICK…WORTHINGTON AND LISMORE AROUND 1100 PM CDT…
WILMONT AND BREWSTER AROUND 1105 PM CDT…
HERON LAKE…LAKEFIELD AND JACKSON AROUND 1110 PM CDT…
BERGEN AROUND 1115 PM CDT…
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
MAGNOLIA…KENNETH…OKABENA…KINBRAE…ALPHA…DUNDEE AND WILDER.
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.