Severe Thunderstorm Warning 141, NWS Gray, ME

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
912 AM EDT FRI AUG 3 2007

.SYNOPSIS...
WARM HUMID AIR MASS CONTINUES TODAY COURTESY OF AN OFFSHORE BERMUDA
HIGH PRESSURE SYSTEM. AN APPROACHING COLD FRONT WILL BRING THUNDERSTORMS
SOME POSSIBLY SEVERE...THIS AFTERNOON AND THIS EVENING. THE COLD
FRONT WILL MOVE OFFSHORE SATURDAY. HIGH PRESSURE WILL BUILD IN
BEHIND THE FRONT SUNDAY. A WARM FRONT WILL APPROACH THE REGION
FROM THE SOUTHWEST SUNDAY NIGHT AND MOVE THROUGH ON MONDAY. A
TRAILING COLD FRONT WILL THEN CROSS THE AREA MONDAY NIGHT AND
TUESDAY. A WEAK LOW PRESSURE SYSTEM WILL PASS SOUTH OF FORECAST
AREA WEDNESDAY FOLLOWED BY HIGH PRESSURE ON THURSDAY.

&&

.NEAR TERM /UNTIL 10 AM THIS MORNING/...
CURRENT WX WILL PERSIST THRU 10 AM. MAIN CONCERN IS STRONG TO SVR
TSTMS MOVING NE ALONG THE CANADIAN BORDER. HAVE ISSUED A SPECIAL
WX STATEMENT AND SVR TSTM WARNING FOR THIS CLUSTER OF STORMS WHICH
ARE BOWING OUT AND ALSO HEADING FOR AN OUTFLOW BOUNDARY FROM OLD
SVR TSTMS THAT MOVED THRU NRN MAINE EARLIER THIS MORNING.

&&

.SHORT TERM /10 AM THIS MORNING THROUGH 6 AM SATURDAY/...
HAVE UPDATED THE GRIDS AND ZONES TO BRING IN TSTMS A COUPLE HOURS
EARLIER BASED ON LATEST RADAR TRENDS. CONT TO FCST POTENTIAL FOR
SVR TSTMS TDA.

SPC HAS MOST OF FA IN SVR WX THREAT TDA BUT FEEL THE SLGT RISK
SHOULD COVER THE ENTIRE FA.

BESIDES TSTMS TDA SHOULD SEE HOT AND HUMID WX WITH COASTAL SEA
BREEZE KEEPING THOSE ZONES A FEW DEGREES COOLER. CDFNT SLOW TO
MOVE THRU LATER TNGT. NO CHANGES MADE TO TNGTS FCST AT THIS TIME.

&&

.LONG TERM /SATURDAY THROUGH THURSDAY/...
HIGH PRESSURE WILL BUILD IN BEHIND THE FRONT AND WILL USHER IN
DRIER WEATHER FOR SATURDAY AFTERNOON THROUGH SUNDAY. WARM MOIST
AIR OVERRUNNING A WARM FRONTAL BOUNDARY APPROACHING THE FORECAST
AREA FROM THE SOUTHWEST COULD BRING ANOTHER ROUND OF SHOWERS
MONDAY INTO TUESDAY. A WEAK LOW PRESSURE SYSTEM PASSING SOUTH OF
THE FORECAST AREA COULD BRING ANOTHER CHANCE OF SHOWERS ON
WEDNESDAY. HIGH PRESSURE SHOULD FINALLY BUILD INTO THE AREA AGAIN
ON THURSDAY BRINGING DRY WEATHER.

&&

.AVIATION /13Z FRIDAY THROUGH TUESDAY/...
SHORT TERM /13Z FRIDAY THROUGH TONIGHT/...VFR CONDITIONS WILL
PREVAIL EXCEPT LWR CONDITIONS WITH ANY STRONG TO PSBLY SVR TSTMS
TDA INTO THIS EVENING. AREAS OF F WILL FORM TNGT AND COULD LWR TAF
SITES TO IFR OR LWR ESPECIALLY KLEB AND KCON.

&&

.MARINE...
SHORT TERM /TODAY THROUGH TONIGHT/...WINDS AND SEAS MAY APPROACH
SCA LVLS THRU THIS EVENING AS SW WINDS INCREASE IN ADVANCE OF AN
APPROACHING CDFNT. WINDS HAVE COME UP A BIT MORE THAN PREVIOUSLY
FCST SO WILL UPDATE FCST TO COVER THIS. ALSO WILL DROP MENTION OF
ANY EARLY MORNING FOG.

LONG TERM...NO FLAGS ANTICIPATED.

&&

.GYX WATCHES/WARNINGS/ADVISORIES...
ME...NONE.
NH...NONE.
MARINE...NONE.

&&

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