

000 

WWUS20 KWNS 261814

SEL3

SPC WW 261814

MNZ000-WIZ000-LSZ000-270200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 553

NWS STORM PREDICTION CENTER NORMAN OK

115 PM CDT THU JUL 26 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL AND EASTERN MINNESOTA

       NORTHERN WISCONSIN

       LAKE SUPERIOR



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 115 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 80

STATUTE MILES EITHER SIDE OF A LINE FROM 25 MILES NORTH NORTHWEST

OF KENNEDY WISCONSIN TO 25 MILES SOUTH OF REDWOOD FALLS

MINNESOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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...SCATTERED THUNDERSTORMS WILL CONTINUE TO INTENSIFY

ACROSS CENTRAL MN AND SPREAD SOUTHEASTWARD INTO WI DURING THE

AFTERNOON AND EVENING.  STRONG INSTABILITY AND SUFFICIENT NORTHWEST

FLOW ALOFT WILL PROMOTE A RISK OF SUPERCELLS/BOWS CAPABLE OF

DAMAGING WINDS AND HAIL.



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 550. MEAN STORM

MOTION VECTOR 30030.





...HART

