

861 

WWUS20 KWNS 062135

SEL7

SPC WW 062135

MEZ000-070200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 607

NWS STORM PREDICTION CENTER NORMAN OK

535 PM EDT WED JUL 6 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL AND EASTERN MAINE



EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 535 PM UNTIL

1000 PM EDT.



HAIL TO 1.5 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 90 MILES NORTH OF

BANGOR MAINE TO 10 MILES SOUTHEAST OF BANGOR MAINE.  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.



OTHER WATCH INFORMATION...CONTINUE...WW 605...WW 606...



DISCUSSION...ORGANIZED COMPLEX OF TSTMS PRECEDING SHORT WAVE TROUGH

WILL CONTINUE EWD THIS EVENING AMIDST A MODERATELY UNSTABLE AIR MASS

WITH MLCAPE OF 1000-1500 J/KG.  GIVEN THE 40-45 KT EWD MOTION OF

ONGOING STORMS...THE POTENTIAL FOR DAMAGING WINDS WILL EXIST AS

ACTIVITY PROGRESSES EWD ACROSS THE WATCH AREA.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 27035.





...MEAD

