

000 

WWUS20 KWNS 101715

SEL0

SPC WW 101715

MEZ000-NHZ000-CWZ000-110200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 500

NWS STORM PREDICTION CENTER NORMAN OK

115 PM EDT TUE JUN 10 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN AND CENTRAL MAINE

       MOST OF NEW HAMPSHIRE

       COASTAL WATERS



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 115 PM UNTIL

1000 PM EDT.



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 EAST AND WEST OF A LINE FROM 130 MILES NORTH

NORTHWEST OF BANGOR MAINE TO 25 MILES SOUTH SOUTHWEST OF

PORTSMOUTH NEW HAMPSHIRE.  FOR A COMPLETE DEPICTION OF THE WATCH

SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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 499...



DISCUSSION...ISOLATED STRONG/SEVERE THUNDERSTORMS ARE POSSIBLE THIS

AFTERNOON ACROSS PARTS OF NH/ME IN REGION OF STRONG DAYTIME HEATING

AND MODERATE INSTABILITY.  A MORE ORGANIZED SEVERE THREAT IS LIKELY

TO DEVELOP ACROSS THE WATCH AREA BY LATE AFTERNOON AND EARLY EVENING

AS LINE OF SEVERE STORMS OVER NY MOVES INTO REGION.  DAMAGING WINDS

AND HAIL WILL BE THE MAIN THREATS.



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 500. MEAN STORM

MOTION VECTOR 26030.





...HART

