Thursday, June 5, 2008

Particularly Dangerous Situation! Tornado Watch 467

Particularly Dangerous Situation!
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 467
NWS STORM PREDICTION CENTER NORMAN OK
550 PM CDT THU JUN 5 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
MUCH OF WESTERN AND PART OF CENTRAL IOWA
SMALL PART OF NORTH CENTRAL KANSAS
PARTS OF SOUTHERN MINNESOTA
MUCH OF EASTERN NEBRASKA
PARTS OF SOUTHEASTERN SOUTH DAKOTA
EFFECTIVE THIS THURSDAY AFTERNOON AND FRIDAY MORNING FROM 550 PM
UNTIL 100 AM CDT.
...THIS IS A PARTICULARLY DANGEROUS SITUATION...
DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 90 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 150 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 35 MILES SOUTH OF ONEILL
NEBRASKA TO 30 MILES EAST OF FORT DODGE IOWA. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU7).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
DISCUSSION...WARM FRONT MOVING NWD INTO SERN SD AND WRN MN WITH A
VERY UNSTABLE AND HIGHLY SHEARED WARM SECTOR AHEAD OF SEVERE
THUNDERSTORMS WRN PORTION OF WATCH. WITH THE APPROACH OF THE
VIGOROUS S/WV TROUGH AND 80-100KT MID LEVEL WIND
MAX...SUPERCELLS/BOW ECHOES WILL CONTINUE TO DEVELOP AND MOVE VERY
RAPIDLY NEWD THRU THE WATCH THIS EVENING. TORNADOS POSSIBLY STRONG
AND VERY DAMAGING WINDS CAN BE EXPECTED.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 80 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 22055.
..HALES
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS AUDUBON
BOONE BUENA VISTA CALHOUN
CARROLL CASS CHEROKEE
CLARKE CLAY CRAWFORD
DALLAS DECATUR DICKINSON
EMMET FREMONT GREENE
GUTHRIE HAMILTON HANCOCK
HARRISON HUMBOLDT IDA
KOSSUTH LYON MADISON
MILLS MONONA MONTGOMERY
O'BRIEN OSCEOLA PAGE
PALO ALTO PLYMOUTH POCAHONTAS
POLK POTTAWATTAMIE RINGGOLD
SAC SHELBY SIOUX
STORY TAYLOR UNION
WARREN WEBSTER WINNEBAGO
WOODBURY WRIGHT
MINNESOTA COUNTIES INCLUDED ARE
BLUE EARTH BROWN COTTONWOOD
FARIBAULT JACKSON LINCOLN
LYON MARTIN MURRAY
NICOLLET NOBLES PIPESTONE
REDWOOD ROCK WATONWAN
NEBRASKA COUNTIES INCLUDED ARE
ADAMS ANTELOPE BOONE
BOYD BURT BUTLER
CASS CEDAR CLAY
COLFAX CUMING DAKOTA
DIXON DODGE DOUGLAS
FILLMORE GAGE GREELEY
HALL HAMILTON HOLT
HOWARD JEFFERSON JOHNSON
KNOX LANCASTER MADISON
MERRICK NANCE NEMAHA
NUCKOLLS OTOE PAWNEE
PIERCE PLATTE POLK
RICHARDSON SALINE SARPY
SAUNDERS SEWARD STANTON
THAYER THURSTON WASHINGTON
WAYNE WEBSTER WHEELER
YORK
SOUTH DAKOTA COUNTIES INCLUDED ARE
AURORA BEADLE BON HOMME
BROOKINGS CHARLES MIX CLAY
DAVISON DOUGLAS HANSON
HUTCHINSON JERAULD KINGSBURY
LAKE LINCOLN MCCOOK
MINER MINNEHAHA MOODY
SANBORN TURNER UNION
YANKTON

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