WATCHES: Severe Thunderstorm Watch Number 291

WWUS20 KWNS 231958
SEL1
SPC WW 231958
IAZ000-MNZ000-WIZ000-240200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 291
NWS STORM PREDICTION CENTER NORMAN OK
300 PM CDT WED MAY 23 2007

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

NORTHEAST IOWA
EASTERN MINNESOTA
WESTERN WISCONSIN

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 300 PM UNTIL
900 PM CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45
STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES WEST
NORTHWEST OF KENNEDY WISCONSIN TO 60 MILES SOUTH SOUTHWEST OF
ROCHESTER MINNESOTA. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 290...

DISCUSSION...SCATTERED THUNDERSTORMS CONTINUE TO INTENSIFY ALONG
SURFACE BOUNDARY ACROSS EASTERN MN. THIS ACTIVITY WILL LIKELY
PERSIST THROUGH THE EVENING HOURS WITH A CONTINUED RISK OF LARGE
HAIL AND DAMAGING WINDS AS STORMS PASS THROUGH LOW LEVEL THETA-E
AXIS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 24035.

..HART

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