308  
FXUS61 KGYX 231020  
AFDGYX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GRAY ME  
620 AM EDT TUE JUL 23 2019  
   
SYNOPSIS
 
 
LOW PRESSURE WILL TRACK EAST ALONG A STALLED FRONTAL BOUNDARY  
TODAY AND WILL SHIFT INTO THE MARITIMES BY THIS EVENING. ANOTHER  
AREA OF LOW PRESSURE WILL TRACK EAST ALONG THE BOUNDARY SOUTH OF  
NEW ENGLAND TUESDAY NIGHT. HIGH PRESSURE WILL BUILD IN FROM THE  
WEST ON WEDNESDAY AND WEDNESDAY NIGHT. A WEAK FRONTAL BOUNDARY  
WILL WASH OUT AS IT SAGS INTO NORTHERN ZONES ON THURSDAY. HIGH  
PRESSURE WILL BUILD SOUTH OF NEW ENGLAND THURSDAY NIGHT THROUGH  
SATURDAY AND WILL HOLD OFF THE COAST ON SUNDAY.  
 

 
   
NEAR TERM /THROUGH TONIGHT/
 
 
615 AM...NICE DEFORMATION BAND OCCURING OVER FROM THE ME MTNS SW  
INTO THE CT VLY THIS MORNING AS SFC LOW REVS UP AND MID-LVL LOW  
CLOSES OFF TO OUR SW. HAVE EXTENDED HIGHER POPS TO THE N AND W  
THRU THE MORNING TO COVER THIS BAND WHICH SHOULD SHIFT E THRU  
MID MORNING, AND THEN DISSIPATE AS THE THE SYSTEM BECOMES MORE  
STEADY-STATE WHILE IT PASSES S AND E THIS AFTERNOON. REST OF THE  
FORECAST LOOKS TO BE IN GOOD SHAPE.  
 
PREVIOUSLY...RAIN ASSOCIATED WITH SECOND WAVE OW PRESSURE TO  
TRACK ALONG STALLED FRONT TO OUR SOUTH IS MOVING INTO SRN NH  
ATTM, AND THIS RAIN WILL MOVE TROUGH THE SRN HALF OF NH AND THE  
COASTAL PLAIN OF ME THROUGH THE MORNING. THE FURTHER N AND WEST  
YOU GO, THE MORE SHOWERY AND SPOTTY THE PRECIP WILL BE THIS  
MORNING. ALSO, DESPITE HIGH PWATS, THE BEST INSTABILITY AND  
FORCING WILL REMAIN OVER SRN NEW ENGLAND, AND WILL KEEP THE  
HEAVIER RAINFALL OUT OF THE CWA. OVERALL, SHOULD SEE AN ADDITION  
1/4 TO 1/2 INCH IN SRN AREAS THIS MORNING, WHICH SHOULD NOT  
POSE ANY PROBLEMS, WITH LOWER AMTS TO THE N AND W. THE RAIN OR  
SHOWERS WILL SHIFT EAST THIS AFTERNOON, AND SHOULD END BY LATE  
AFTERNOON EVERYWHERE. SOME CLEARING IS POSSIBLE IN THE THE NH  
MTNS AND THE CT VLY LATE, BUT THE REST OF THE CWA WILL LIKELY  
STAY CLOUDY TO MOSTLY THRU THE DAY. HIGHS WILL BE COOL GENERALLY  
IN THE UPPER 60S NEAR THE COAST TO THE LOW TO MID 70S IN THE N  
AND W ZONES.  
 

 
   
SHORT TERM /WEDNESDAY/
 
 
MODELS CONTINUE TO SHOW A THIRD LOW TRACKING ALONG THAT FRONT  
TONIGHT, BUT IT LOOKS TO STAY FAR ENOUGH TO OUR S AND E TO KEEP  
THE CWA DRY. MOST PLACES SHOULD CLEAR OUT DURING THE EVENING,  
BUT THAT WAVE MAY KEEP COASTAL AREAS MOSTLY CLOUDY THRU THE  
NIGHT. LOWS WILL RANGE FROM THE LOW-MID 50S IN THE N TO AROUND  
60 ALONG THE COAST AND IN SRN NH.  
 
THAT SFC LOW AND THE FRONT SHOULD FINALLY ACCELERATE TO OUR E ON  
WED, AND ANY MORNING CLOUDS IN THE S SHOULD CLEAR OUT QUICKLY.  
FLOW WILL BE WEAK, BUT SHOULD SEE ENUF NW FLOW EARLY FOR SOME  
DOWNSLOPING AND TEMPS RANGE FROM THE MID 70S IN THE N AND AT  
THE BEACHES TO THE LOW 80S ON THE COASTAL PLAIN AND IN SRN NH.  
 

 
   
LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/
 
 
FAIRLY QUIET WEEK ON TAP AS UPPER RIDGE GRADUALLY BUILDS IN  
FROM THE WEST FOR THE END OF THE WEEK AND THE WEEKEND...  
 
HIGH PRESSURE WILL BUILD OVER THE REGION WEDNESDAY NIGHT AS  
A WEAK FRONTAL BOUNDARY APPROACHES FROM THE NORTHWEST.  
LOOKING FOR MOSTLY CLEAR SKIES OVERNIGHT. LOWS WILL  
GENERALLY RANGE THROUGH THE 50S.  
 
FRONTAL BOUNDARY WILL WASH OUT AS IT DROPS INTO NORTHWEST  
ZONES ON THURSDAY. LITTLE IF ANY FORCING WILL BE LEFT BY  
AFTERNOON BUT SOME MARGINAL INSTABILITY MAY BE ENOUGH TO  
POP OFF A FEW SHOWERS IN NORTHWEST ZONES DURING THE  
AFTERNOON. OTHERWISE...THE REMAINDER OF THE FORECAST AREA WILL  
SEE VARIABLE CLOUDS. HIGHS WILL RANGE FROM THE MID 70S NORTH TO  
THE MID 80S SOUTH.FCST  
 
HIGH PRESSURE WILL BUILD SOUTH OF THE REGION THURSDAY NIGHT  
SETTING UP A WARM SOUTHWESTERLY FLOW FOR FRIDAY AND INTO  
THE WEEKEND. LOOKING FOR MOSTLY CLEAR SKIES THURSDAY NIGHT  
AND FRIDAY. LOWS WILL RANGE FROM THE MID 50S TO LOWER 60S.  
HIGHS WILL TOP OUT IN THE LOWER TO MID 80S.  
 
A LITTLE MORE IN THE WAY OF HEAT AND HUMIDITY WILL RETURN  
FRIDAY NIGHT AND SATURDAY AS HIGH PRESSURE BUILDS OFF THE  
COAST SOUTH OF THE REGION. LOOKING FOR PARTLY CLOUDY SKIES  
OVERNIGHT WITH LOWS IN THE UPPER 50S TO MID 60S. FAIR WEATHER  
WILL CONTINUE ON SATURDAY WITH MOSTLY SUNNY SKIES AND HIGHS  
RANGING THROUGH THE 80S.  
 
EXPECT SIMILAR CONDITIONS SATURDAY NIGHT AND SUNDAY AS HIGH  
PRESSURE HOLDS SOUTHEAST OF THE REGION. FAIR WEATHER WILL  
CONTINUE ON MONDAY WITH TEMPERATURES SIMILAR TO THE WEEKEND.  
 

 
   
AVIATION /10Z TUESDAY THROUGH SATURDAY/
 
 
SHORT TERM...EXPECT IFR-LIFR TO PERSIST THRU THE MORNING AT  
KMHT/KCON/KPWM/KRKD, WITH MVFR-VFR AT KAUG/KLEB/KHIE. ALL  
TERMINALS WILL TRANSITION TO VFR THIS AFTERNOON , WHICH WILL  
PERSIST THROUGH WED,  
 
LONG TERM...VFR WEDNESDAY NIGHT THROUGH SATURDAY.  
 

 
   
MARINE
 
 
SHORT TERM...SOME NE GUSTS APPROACH 25 KTS S OF PORTLAND EARLY  
THIS MORNING, BUT WIND DIMINISH LATER THIS MORNING, AND STAY  
BLOW SCA LVLS THROUGH WED.  
 
LONG TERM...  
NO PROBLEMS NOTED.  
 

 
   
EQUIPMENT
 
 
THE SUGARLOAF NWR TRANSMITTER IS OFF THE AIR UNTIL FURTHER  
NOTICE. THIS WILL BE AN EXTENDED OUTAGE AS THE TOWER, WHICH WAS  
SEVERELY DAMAGED IN A WINTER STORM, IS REBUILT.  
 

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

 
 

 
SYNOPSIS...  
NEAR TERM...CEMPA  
SHORT TERM...CEMPA  
LONG TERM...SINSABAUGH  
AVIATION...  
MARINE...  
EQUIPMENT...  
 
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