101  
FXUS61 KCAR 250532  
AFDCAR  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE CARIBOU ME  
132 AM EDT SUN MAY 25 2025  
   
SYNOPSIS  
 
A LOW PRESSURE SYSTEM IS CURRENTLY LOCATED IN NEW BRUNSWICK AND  
IS EXPECTED TO GRADUALLY WEAKEN AND MOVE EAST ACROSS THE  
MARITIMES THROUGH SUNDAY. A WEAK TROUGH PASSES THROUGH THE AREA  
MONDAY AFTERNOON. HIGH PRESSURE WILL BUILD OVER THE AREA  
TUESDAY INTO WEDNESDAY THEN DRIFT SOUTHEAST OF THE AREA THURSDAY.  
 
 
   
NEAR TERM /THROUGH TODAY/  
 
1:30AM UPDATE... LOW LEVEL CLOUDS MOVING THROUGH MAINE, WITH A  
FEW AREAS IN THE FAR NORTH SEEING MOSTLY MID-LEVEL CLOUDS FOR  
NOW. STILL SOME WRAP-AROUND RAIN IN NORTHEASTERN MAINE.  
ADJUSTED TEMPERATURES TO MATCH OBSERVATIONS. FEW BREAKS IN THE  
CLOUDS, PLUS HIGH RH, AND LIGHT WINDS, SO ADDED IN A POTENTIAL  
FOR SOME PATCHY FOG OVERNIGHT. OTHERWISE, PREVIOUS FORECAST ON  
TRACK. SEE BELOW FOR UPDATED AVIATION SECTION.  
 
PREV DISCUSSION BLO...  
A VERTICALLY STACKED LOW PRESSURE SYSTEM IS CURRENTLY POSITIONED  
IN NEW BRUNSWICK AND MOVING SLOWLY EAST ACROSS THE MARITIMES.  
AMPLE MOISTURE WRAPPING AROUND THE LOW IS RESULTING IN CLOUDS  
AND SHOWERS LINGERING ACROSS MUCH OF NORTHERN AND EASTERN MAINE.  
SHOWERS WILL CONTINUE THROUGHOUT THE OVERNIGHT HOURS, GRADUALLY  
TAPERING OFF BY THE END OF THE DAY ON SUNDAY. SOME PATCHY FOG IS  
POSSIBLE TONIGHT AS WINDS REMAIN LIGHT AND THE LOWER ATMOSPHERE  
STAYS SATURATED. TEMPERATURES SHOULD BE SLIGHTLY WARMER SUNDAY,  
REACHING THE 50S, ESPECIALLY IF ANY BREAKS IN THE CLOUDS OCCUR.  
 
 
   
SHORT TERM /TONIGHT THROUGH MONDAY NIGHT/  
 
.IMPACTFUL WEATHER IS NOT EXPECTED DURING THIS PERIOD.  
 
SUN NIGHT INTO MON AM THE UPPER LEVEL LOW ACROSS THE MARITIMES  
CONTINUES TO SLOWLY DRIFT E. THE UPPER LEVEL LOW WILL CONTINUE  
TO HOLD A LITTLE CONTROL ON THE WEATHER BUT WARMING AND DRYING  
ALOFT WILL ALLOW FOR SOME CLEARING SUN NIGHT. EXPECT A STRONG  
BOUNDARY LAYER DIURNAL INVERSION AND A COOL MORNING MONDAY.  
PATCHY TO AREAS OF FROST EXPECTED WITH LOWS 34-36F IN THE NORTH  
WOODS, ST. JOHN VALLEY AND PLACES LIKE PORTAGE NORTHWARD TO  
EAGLE LAKE. THE FROST/FREEZE PROGRAM IN THESE AREAS WILL NOT BEGIN  
TILL JUNE 1ST BUT ANYONE THAT IS GROWING ALREADY SHOULD TAKE  
NOTE. ELSEWHERE, LOWS WILL BE 39-44F ACROSS THE CWA. A WEAK  
SURFACE TROUGH WILL APPROACH FROM THE NORTH DURING THE DAY AND  
WITH STILL A LITTLE COOL AIR ALOFT EXPECTING DIURNAL CU TO  
DEVELOP. ISOLATED TO SCATTERED SHOWERS WILL BE POSSIBLE ACROSS  
THE NORTHERN 1/2 OF THE CWA IN THE AFTERNOON. HIGHS TOP OUT IN  
THE MID TO UPPER 60S WITH LIGHT N WINDS. A WEAK AFTERNOON  
SEABREEZE DEVELOPS AT THE SHORE IN THE AREA UNDER THE WEAK FLOW  
COOLING TEMPERATURES 5-10 DEGREES.  
 
MONDAY NIGHT AS THE SUN GOES DOWN EXPECT SKIES TO CLEAR AND  
SHOWERS END. HIGH PRESSURE WORKS IN OVER THE AREA WITH WINDS  
TURNING WEST-NORTHWEST ALOFT. WEAK NW WIND ALLOWS FOR A MIXING  
DAY ON TUESDAY. MODELED SOUNDING CLUSTERS CONTINUE TO SHOW SOLID  
MIXING UP TO 850MB. WINDS ARE RATHER LIGHT ALOFT SO NOT  
EXPECTING MUCH MORE THAN 5-15MPH. TEMPERATURES WILL WARM INTO  
THE LOW TO MID 70S ACROSS THE AREA. WEAK AFTERNOON SEABREEZE  
ALONG THE IMMEDIATE COAST WILL COOL THINGS SLIGHTLY. AFTERNOON  
RELATIVE HUMIDITIES WILL DROP INTO THE 25-35 PERCENT RANGE,  
HOWEVER WITH RECENT RAINS AND GREEN UP NOT EXPECTING ANY FIRE  
WEATHER CONCERNS.  
 
 
   
LONG TERM /TUESDAY THROUGH SATURDAY/  
 
.ANOTHER CUTOFF LOW RETURNS BY LATE WEEK INTO THE WEEKEND.  
 
HIGH PRESSURE DRIFTS OVERHEAD ON TUESDAY NIGHT THEN OVER THE  
AREA WEDNESDAY AND THEN DRIFTS SE ON THURSDAY. MUCH OF THIS TIME  
WILL BE DRY EXCEPT THE VERY END OF THE THURSDAY AFTERNOON WITH  
A FEW ISOLATED RAIN SHOWERS AS WARM FRONT LIFTS NE. WED AM LOWS  
IN THE MID TO UPPER 40S NORTH, UPPER 40S TO NEAR 50F SOUTH. WED  
HIGHS IN THE UPPER 70S TO NEAR 80F FOR MUCH OF THE AREA WITH  
LIGHT W-NW WINDS. SEABREEZE IN THE AFTERNOON AT THE COAST. THU  
AM LOWS 48-53F ACROSS THE AREA. PARTLY SUNNY ON THU WITH HIGHS  
IN THE MID TO UPPER 70S WITH INCREASING CLOUD COVER. SW WINDS  
10-15MPH WILL TURN A LITTLE MORE S AT THE SHORE FOR A COLDER  
SEABREEZE.  
 
FRIDAY-SATURDAY SIGNIFICANT UNCERTAINTY WITH WIDE RANGE OF  
TIMING AND INTENSITY OF ANOTHER STORM SYSTEM WORKING INTO THE  
AREA. ENSEMBLES FAVOR THIS BEING UNSETTLED WEATHER PERIOD WITH  
ONCE AGAIN A CUT OFF UPPER LOW AND SURFACE SYSTEM. RAIN CHANCES  
INCREASE THU NIGHT INTO SUNDAY.  
 
 
   
AVIATION /06Z SUNDAY THROUGH THURSDAY/  
 
NEAR TERM:  
KFVE/KCAR/KPQI/KHUL: MVFR/IFR CONDITIONS TONIGHT. PERIOD OF VFR  
CONDITIONS AT KFVE, BUT EXPECTING CEILINGS TO DROP AS CLOUDS  
CONTINUE MOVING IN. SHOWERS CONTINUE DURING THE OVERNIGHT HOURS  
BEFORE DIMINISHING LATE MORNING/EARLY EVENING. POTENTIAL FOR FOG DURING  
THE EARLY MORNING HOURS. WINDS FROM THE N/NW AT 5-10 KTS.  
 
KBGR/KBHB: VFR/MVFR CONDITIONS TONIGHT. SHOWERS CONTINUE DURING  
THE OVERNIGHT HOURS BEFORE DIMINISHING LATE MORNING/EARLY  
EVENING. POTENTIAL FOR FOG DURING THE EARLY MORNING HOURS. A FEW  
BRIEF VICINITY SHOWERS POSSIBLE, MAINLY AT KBGR. WINDS FROM THE  
NW AT 5-10 KTS.  
 
SHORT TERM: MON...VFR. BRIEF MVFR CIGS POSSIBLE NORTHERN TERMS.  
VCSH OR -SHRA IN THE AFTERNOON. N WINDS 5-10KT.  
 
TUE-WED...VFR. ON TUE WINDS NW 5-10KT, AFTERNOON SW WINDS 5-10KT  
FOR BHB. WED WINDS W-NW 5-15KT, AFTERNOON WSW WIND 10-15KT AT  
BHB.  
 
THU...VFR. S-SW WINDS 10-15KT. AFTERNOON VCSH AT BGR AND BHB.  
 
 
   
MARINE  
 
NEAR TERM: WINDS AND SEAS REMAIN BELOW SCA CONDITIONS TONIGHT  
AND SUNDAY. SEAS 2 TO 4 FT WITH NW WINDS 5 TO 15 KTS AND GUSTS  
UP TO 20 KTS.  
 
SHORT TERM: LOOKING AT BELOW SCA CONDITIONS FOR MONDAY THROUGH  
THURSDAY ACROSS THE COASTAL WATERS. WINDS GENERALLY LESS THAN  
20KT. SEAS GENERALLY 1-3FT FOR MONDAY THROUGH WEDNESDAY. SEAS  
SLOWLY BUILD 2-4FT ON THURSDAY AND POTENTIALLY HIGHER LATE WEEK.  
POSSIBLE NEXT SCA PERIOD LATE WEEK WITH ANOTHER STORM SYSTEM  
APPROACHING.  
 
 
   
CAR WATCHES/WARNINGS/ADVISORIES  
 
ME...NONE.  
MARINE...NONE.  
 
 
 
 
 
NEAR TERM...BRENNAN/BUSTER/MELANSON  
SHORT TERM...SINKO  
LONG TERM...SINKO  
AVIATION...BRENNAN/BUSTER/MELANSON/SINKO  
MARINE...BRENNAN/BUSTER/MELANSON/SINKO  
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