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Area Forecast Discussion
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000
FXUS61 KGYX 151858
AFDGYX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAY ME
258 PM EDT TUE APR 15 2014

.SYNOPSIS...
A COLD FRONT WILL SLOWLY CROSS THE AREA OVERNIGHT. HIGH PRESSURE
WILL BUILD IN FROM THE WEST ON WEDNESDAY AND WILL HOLD OVER THE
REGION THROUGH FRIDAY. LOW PRESSURE WILL APPROACH FROM THE WEST
FRIDAY NIGHT AND WILL CROSS THE REGION ON SATURDAY. WEAK HIGH
PRESSURE WILL BUILD IN FROM THE WEST ON SUNDAY. 

&&

.NEAR TERM /THROUGH TONIGHT/...
HEAVY RAIN CURRENTLY FALLING ACROSS MUCH OF NEW HAMPSHIRE AND IS
PUSHING INTO WESTERN MAINE AT 230 THIS AFTERNOON. EXPECT
PRECIPITATION TO QUICKLY OVERSPREAD THE REMAINDER OF THE FORECAST
AREA THROUGH LATE AFTERNOON. RAIN WILL BE HEAVY AT TIMES THROUGH
MIDNIGHT. MODELS STILL COMING IN WITH AN INCH OR TWO OF QPF WHICH
LIKELY CAUSE MOST AREA RIVERS TO REACH BANK FULL OR HIGHER.
NUMEROUS FLOOD WARNING CURRENTLY IN EFFECT WITH MORE LIKELY TO
COME DURING THE OVERNIGHT. SEE HYDRO SECTION BELOW FOR MORE DETAILS.

STRONG LOW LEVEL JET PUSHING IN AHEAD OF THE FRONT WILL PRODUCE
GUSTS OF 50 MPH ALONG THE COAST WHERE A WIND ADVISORY REMAINS IN
EFFECT THROUGH THIS EVENING.

EXPECT PRECIPITATION TO MIX WITH OR CHANGE TO SLEET AND SNOW AS IT
ENDS FROM WEST TO EAST AFTER MIDNIGHT. MAY SEE SOME LIGHT
ACCUMULATIONS IN THE MOUNTAINS AND FOOTHILLS. BLACK ICE MAY BECOME
AN ISSUE IN NORTHWEST ZONES TOWARD DAYBREAK AS TEMPS DIP BELOW
FREEZING. LOOKING FOR LOWS IN THE 20S FROM THE CONNECTICUT VALLEY
THROUGH THE MOUNTAINS OF MAINE AND NEW HAMPSHIRE. FARTHER SOUTH
AND EAST LOWS WILL DIP INTO THE LOWER TO MID 30S.

&&

.SHORT TERM /WEDNESDAY THROUGH WEDNESDAY NIGHT/...
HIGH PRESSURE WILL BUILD IN FROM THE WEST ON WEDNESDAY. STRONG
NORTHWEST FLOW WILL BUFFET THE REGION DURING THE MORNING BUT WILL
LET UP SOMEWHAT IN THE AFTERNOON. EXPECT MOST AREAS DOWNWIND OF
THE MOUNTAINS TO SEE A MOSTLY SUNNY DAY. FARTHER NORTH CLOUDS WILL
GRADUALLY GIVE WAY TO PARTLY SUNNY SKIES. TEMPS WILL AGAIN DROP
BELOW NORMAL WITH HIGHS ONLY REACHING THE UPPER 20S TO LOWER 30S
NORTH AND MID 30S TO LOWER 40S SOUTH.

CLEAR AND VERY COLD WEDNESDAY NIGHT AS HIGH PRESSURE CRESTS OVER
THE AREA. LOW TEMPS ACROSS THE REGION WILL DIP INTO THE MID TEENS
TO LOWER 20S.

&&

.LONG TERM /THURSDAY THROUGH TUESDAY/...
12Z MODEL SUITE CONTINUING TO HOLD POLAR HIGH PRESSURE OVER THE
FORECAST AREA ON THURSDAY. A CHILLY EASTERLY COMPONENT WILL KEEP
THE COASTLINE WITH BELOW NORMAL TEMPERATURES WHICH WILL CONTINUE
INTO FRIDAY. THEREAFTER...CONDITIONS BEGIN TO DETEORATE OVER THE
WEEKEND AS LOW PRESSURE DEVELOPS OFF THE EAST COAST. AN UPPER
LEVEL TROUGH WILL DEVELOP THROUGH SUNDAY...BUT IS EXPECTED TO
SLOWLY SHIFT EAST OVER THE CANADIAN MARITIMES.  

SEVERAL SHORT WAVES EMBEDDED IN A FEW WNW FLOW ALOFT WILL CONTINUE
TO MOVE OVER NEW ENGLAND THROUGH NEXT WEEK. THIS WILL KEEP
COOL...AND MAINLY CLOUDY CONDITIONS IN THE REGION...WITH PERIODS
OF SHOWER ACTIVITY. IN THE NORTH...SOME SNOW SHOWERS MAY OCCUR
DURING THE OVERNIGHT HOURS.

&&

.AVIATION /18Z TUESDAY THROUGH SUNDAY/...
SHORT TERM...IFR/LIFR CEILINGS/VSBY TONIGHT...IMPROVING TO VFR
LATE. VFR WEDNESDAY THROUGH WEDNESDAY NIGHT.

LONG TERM...MAINLY VFR CONDITIONS UNTIL LOW CLOUDS AND SHOWERS
MOVE INTO THE REGION DURING THE WEEKEND WITH AREAS OF IFR CONDITIONS.

&&

.MARINE...
SHORT TERM...CONTINUING GALES THROUGH WEDNESDAY AFTERNOON.

LONG TERM...NO FLAGS EXPECTED DURING THE LONG TERM PORTION OF THE
FORECAST.

&&

.HYDROLOGY...
FLOOD WARNINGS HAVE BEEN ISSUED FOR MANY LOCATIONS IN MAINE AND
NEW HAMPSHIRE. RAINFALL IS THE KEY TO THE WHOLE FORECAST. RIVER
ARE ALREADY HIGH DUE TO SNOW MELT AND WITH 1 TO 2 INCHES OF RAIN
FORECAST. COLD AIR WILL BE COMING IN QUICKLY TONIGHT WITH
TEMPERATURES DROPPING INTO THE LOW TO MID 20S IN THE MOUNTAINS.
THIS WILL HELP TO TEMPER THE RUNOFF TOMORROW.

&&

.GYX WATCHES/WARNINGS/ADVISORIES...
ME...FLOOD WATCH THROUGH WEDNESDAY EVENING FOR MEZ007>009-012>014-
     018>028.
     WIND ADVISORY UNTIL 2 AM EDT WEDNESDAY FOR MEZ022-025>028.
     WIND ADVISORY UNTIL 8 PM EDT THIS EVENING FOR MEZ023-024.
NH...FLOOD WATCH THROUGH WEDNESDAY EVENING FOR NHZ001>010-013-014.
     WIND ADVISORY UNTIL 8 PM EDT THIS EVENING FOR NHZ014.
MARINE...GALE WARNING UNTIL NOON EDT WEDNESDAY FOR ANZ150>154.

&&

$$












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