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000 

WWUS20 KWNS 241657

SEL5

SPC WW 241657

MEZ000-CWZ000-242300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 745

NWS STORM PREDICTION CENTER NORMAN OK

100 PM EDT THU JUL 24 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       A LARGE PART OF MAINE

       COASTAL WATERS



EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 100 PM UNTIL

700 PM EDT.



TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS

TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 45 MILES NORTHWEST OF

PORTLAND MAINE TO 40 MILES NORTH NORTHEAST OF BANGOR MAINE.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



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.



OTHER WATCH INFORMATION...CONTINUE...WW 744...



DISCUSSION...N/S LINE OF THUNDERSTORMS WITH EMBEDDED SUPERCELLS WILL

SLOWLY MOVE EWD ACROSS WRN ME.  STRONG SHEAR AND MLCAPES AOA 1000

J/KG WITH 70F DEWPOINTS ONSHORE WILL SUPPORT TORNADOES WITH ANY

SUPERCELL THAT DEVELOPS WITHIN THE LINE.



AVIATION...TORNADOES AND 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 500.

MEAN STORM MOTION VECTOR 18035.





...HALES

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