WATCHES: Severe Thunderstorm Watch Number 297

WWUS20 KWNS 241924
SEL7
SPC WW 241924
MIZ000-WIZ000-LMZ000-LSZ000-250200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 297
NWS STORM PREDICTION CENTER NORMAN OK
225 PM CDT THU MAY 24 2007

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

UPPER MICHIGAN
CENTRAL AND NORTHEAST WISCONSIN
LAKE MICHIGAN
LAKE SUPERIOR

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 225 PM UNTIL
900 PM CDT.

HAIL TO 1 INCH 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 65
STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF
MARQUETTE MICHIGAN TO 25 MILES WEST SOUTHWEST OF OSHKOSH
WISCONSIN. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

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.

DISCUSSION...LINE OF THUNDERSTORMS WITH EMBEDDED SMALL BOWING
SEGMENTS WILL TRACK RAPIDLY NORTHEASTWARD ACROSS PARTS OF WI AND
UPPER MI THIS AFTERNOON AND EVENING. STRONG AND INCREASING LOW/MID
LEVEL WIND FIELDS... STEEP LOW LEVEL LAPSE RATES...AND SUFFICIENT
MLCAPE VALUES WILL PROMOTE A RISK OF LOCALLY DAMAGING WINDS IN
STRONGER CELLS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION
VECTOR 23045.

..HART

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@PO.UIUC.EDU with
"unsub wx-storm" in the body of your message. For more information write chris@lib.siu.edu.