Area Forecast Discussion
Issued by NWS Caribou, ME

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FXUS61 KCAR 230655
AFDCAR

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CARIBOU ME
255 AM EDT WED JUL 23 2014

.SYNOPSIS...
A STRONG COLD FRONT WILL APPROACH FROM THE NORTHWEST EARLY TODAY
AND CROSS THE REGION FROM NORTHWEST TO SOUTHEAST THIS AFTERNOON
AND INTO TONIGHT. THE FRONT WILL STALL OFF THE COAST ON THURSDAY.
&&

.NEAR TERM /THROUGH TONIGHT/...
A COLD FRONT APPROACHING FROM THE WEST WILL BEGIN TO CROSS THE
REGION THIS AFTERNOON. THE FRONT WILL BE ACCOMPANIED BY SHOWERS AND
THUNDERSTORMS. SURFACE BASED CAPES OF 1500-2500J/KG ARE FORECAST
TODAY ALONG WITH 0-6 KM SHEAR 30-35 KT. THE INSTABILITY AND WIND
SHEAR WILL RESULT IN SOME OF THE THUNDERSTORMS BECOMING SEVERE.
ALTHOUGH LARGE HAIL IS POSSIBLE THE MAIN THREAT WITH ANY
THUNDERSTORMS TODAY WILL BE THE THREAT OF DAMAGING WINDS GUSTS.  THE
STORM PREDICTION CENTER CONTINUES TO HAVE MOST OF THE FORECAST AREA
IN A SLIGHT RISK FOR SEVERE THUNDERSTORMS TODAY. HIGH TEMPERATURES
TODAY ARE EXPECTED TO RANGE FROM THE MID TO UPPER 80S ACROSS MOST OF
THE REGION.

SHOWERS AND THUNDERSTORMS WILL DIMINISH FROM NORTHWEST TO SOUTHEAST
WITH THE PASSAGE OF THE FRONT THIS EVENING. HOWEVER...MAINLY CLOUDY
SKIES AND SHOWERS WILL LINGER ACROSS DOWNEAST MAINE ESPECIALLY THE
COAST AS A WEAK WAVE OF LOW PRESSURE TRACKS NORTHEAST ALONG THE
BOUNDARY LATER TONIGHT. LOWS TONIGHT WILL BE MUCH COOLER WITH LOW TO
MID 50S NORTH AND UPPER 50S TO LOWER 60S DOWNEAST.

&&

.SHORT TERM /THURSDAY THROUGH FRIDAY/...
A BROAD UPPER TROUGH WILL BE POSITIONED OVER THE NORTHEAST U.S. WITH
SPOKES OF ENERGY ROTATING AROUND THE BASE OF THE TROUGH.  THESE
SPOKES WILL BRING SCATTERED SHOWERS TO NORTHERN MAINE.  TEMPERATURES
WILL BE 10 DEGREES COOLER THAN RECENT DAYS...HOWEVER NEAR CLIMO FOR
LATE JULY.
&&

.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
SOUTHWEST FLOW ALOFT DEVELOPS OVER NEW ENGLAND AS AN UNSEASONABLY
DEEP UPPER TROUGH POSITIONS ITSELF OVER THE GREAT LAKES.
DISTURBANCES WILL MOVE INTO MAINE IN THE FLOW ALOFT AND BRING
SHOWERS AND THUNDERSTORMS.  TEMPERATURES WILL BE NEAR CLIMO IN AN
UNSETTLED WEATHER PATTERN.
&&

.AVIATION /06Z WEDNESDAY THROUGH SUNDAY/...
NEAR TERM: VFR CONDITIONS ARE EXPECTED THIS MORNING. WIDESPREAD
TSRA IS EXPECTED TO DEVELOP FROM NW TO SE BY EARLY THIS AFTERNOON.
EXPECT MVFR AND LCL IFR IN ANY HEAVIER THUNDERSTORM ACTIVITY THIS
AFTERNOON. WIND GUSTS OF 40 KTS OR MORE WILL BE POSSIBLE IN
THUNDERSTORMS. CONDITIONS WILL IMPROVE TO VFR TONIGHT AT THE
TERMINALS.

SHORT TERM: VFR CIGS AND VSBYS ARE FORECAST AT ALL TAF
SITES.
&&

.MARINE...
NEAR TERM: WINDS/SEAS SHOULD REMAIN BELOW SMALL CRAFT ADVISORY
LEVELS THROUGH TONIGHT. SHOWERS AND THUNDERSTORMS WILL DEVELOP
LATE THIS AFTERNOON AND CONTINUE INTO TONIGHT. VISIBILITY MAY BE
REDUCED AT TIMES TO 1 NM OR LESS IN PATCHY FOG/SHOWERS/TSTMS.
WINDS AND WAVES WILL BE HIGHER IN ANY THUNDERSTORMS.


SHORT TERM: NO HEADLINES ARE EXPECTED DURING THIS TIME FRAME.
&&

.CAR WATCHES/WARNINGS/ADVISORIES...
ME...NONE.
MARINE...NONE.

&&

$$
NEAR TERM...DUDA
SHORT TERM...OKULSKI
LONG TERM...OKULSKI
AVIATION...DUDA/OKULSKI
MARINE...DUDA/OKULSKI








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