543  
FXUS61 KCAR 110151  
AFDCAR  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE CARIBOU ME  
951 PM EDT MON AUG 10 2026  
   
WHAT HAS CHANGED  
 
- ADJUSTED OVERNIGHT SHOWER/THUNDERSTORM CHANCES.  
 
- UPDATED AVIATION DISCUSSION.  
 
- INCLUDED PATCHY FOG ON ALL THE WATERS OVERNIGHT INTO TUESDAY  
MORNING.  
 
   
KEY MESSAGES  
 
1) SCATTERED RAIN SHOWERS AND THUNDERSTORMS TONIGHT THROUGH  
TUESDAY, WITH SOME LOCALLY HEAVY RAINFALL POSSIBLE. SURFACE  
SMOKE POSSIBLE TONIGHT.  
 
2) A ROUND OF WIDESPREAD SHOWERS AND THUNDERSTORMS EXPECTED  
THURSDAY THROUGHOUT MUCH OF THE DAY. A STRONG STORM OR TWO IS  
POSSIBLE.  
 
   
DISCUSSION  
 
KEY MESSAGE 1...SCATTERED RAIN SHOWERS AND THUNDERSTORMS  
TONIGHT THROUGH TUESDAY, WITH SOME LOCALLY HEAVY RAINFALL  
POSSIBLE. SURFACE SMOKE POSSIBLE TONIGHT.  
 
KEY MESSAGE 1 DESCRIPTION...  
SCATTERED SHOWERS WILL CONTINUE TO BUILD THROUGH THE  
EARLY EVENING HOURS, MAINLY ACROSS THE NORTH. A FRONT WILL CROSS  
THE AREA LATE TONIGHT, BRINGING SCATTERED RAIN SHOWERS AND THE  
POSSIBILITY FOR A FEW THUNDERSTORMS. ANY STRONGER SHOWERS AND  
STORMS COULD LEAD TO LOCALLY HEAVIER RAINFALL.  
 
THE PROGRESSIVE SYNOPTIC PATTERN HAS THE POTENTIAL TO USHER IN  
WILDFIRE SMOKE ALOFT, WITH BRIEF RIDGES PROVIDING ENOUGH  
SUBSIDENCE THAT THIS SMOKE COULD PUSH TOWARDS THE SURFACE,  
PARTICULARLY THIS EVENING PRIOR TO THE NEXT FRONT WHICH COULD  
CLEAR THE AREA OUT ONCE MORE.  
 
KEY MESSAGE 2...A ROUND OF WIDESPREAD SHOWERS AND THUNDERSTORMS  
EXPECTED THURSDAY THROUGHOUT MUCH OF THE DAY. A STRONG STORM OR  
TWO IS POSSIBLE.  
 
KEY MESSAGE 2 DESCRIPTION...  
A WAVE OF UPPER LEVEL ENERGY IS EXPECTED TO APPROACH OUR AREA  
FROM THE WEST WEDNESDAY NIGHT AND DEVELOP LOW PRESSURE AT THE  
SURFACE WHICH WILL MOVE INTO OUR AREA THURSDAY BRINGING A ROUND  
OF WIDESPREAD SHOWERS AND THUNDERSTORMS. SOME AREAS COULD SEE A  
SOAKING RAIN BASED ON WHERE THE STRONGEST STORMS SET UP. STILL  
UNCERTAIN RIGHT NOW AS GUIDANCE IS EXPRESSING SOME UNCERTAINTY  
IN THE POSITION OF THE LOW PRESSURE SYSTEM BUT THE NORTH HAS THE  
GREATEST CHANCE WITH THE LIKELIHOOD OF AT LEAST 0.5" OF RAIN  
AROUND 30%. AROUND 30-35 KTS OF DEEP-LAYER WIND SHEAR IS  
EXPECTED WITH AT LEAST SEVERAL HUNDRED J/KG OF INSTABILITY,  
ALTHOUGH SOME MODELS SHOW 1000-1500 J/KG. CERTAINLY SOMETHING TO  
WATCH FOR RAINFALL POTENTIAL AND STORM THREAT.  
 
   
AVIATION /01Z TUESDAY THROUGH SATURDAY/  
 
OVERNIGHT: VFR/MVFR LATE THIS EVENING, THEN VFR/MVFR OCCASIONAL  
LIFR. ISOLATED/SCATTERED SHOWERS AND THUNDERSTORMS LATE THIS  
EVENING, THEN SCATTERED/NUMEROUS SHOWERS AND THUNDERSTORMS.  
LIGHT AND VARIABLE WINDS.  
 
TUESDAY: VFR/MVFR EARLY, THEN GENERALLY VFR. ISOLATED/SCATTERED  
SHOWERS EARLY. SCATTERED/NUMEROUS SHOWERS AND THUNDERSTORMS  
NORTH, ISOLATED/SCATTERED DOWNEAST, DURING THE AFTERNOON.  
VARIABLE CONDITIONS WITH ANY SHOWERS/THUNDERSTORMS.  
WEST/NORTHWEST WINDS AROUND 10 KNOTS, BECOMING NORTHWEST 10 TO  
15 KNOTS WITH GUSTS UP TO 20 TO 25 KNOTS.  
 
TUESDAY NIGHT-WEDNESDAY: VFR. WINDS W AT 5-10 KT.  
 
WEDNESDAY NIGHT-THURSDAY: MVFR/IFR IN SHOWERS AND T-STORMS.  
WINDS W/SW AT 5-10 KT.  
 
THURSDAY NIGHT-FRIDAY: LINGERING MVFR, ESPECIALLY AT NORTHERN  
TERMINALS IN SHOWERS OR ISOLATED T-STORMS. NW WINDS 10 TO 15  
KTS WITH GUSTS 20 TO 25 KTS.  
 
SATURDAY: VFR. NW WINDS 5-15 KTS.  
 
   
MARINE  
 
THE WATERS OUT TO 60NM SHOULD SEE SUSTAINED WINDS OF 15 KT OR  
LESS AND SEAS OF 3 FT OR LESS THROUGH TUESDAY. SHOWERS AND  
THUNDERSTORMS COULD IMPACT THE WATERS TONIGHT. PATCHY FOG  
OVERNIGHT INTO TUESDAY MORNING.  
 
WINDS AND SEAS BELOW SMALL CRAFT ADVISORY CRITERIA ON THE  
COASTAL AND INTRACOASTAL WATERS TUESDAY NIGHT-FRIDAY. SEAS PEAK  
AT 5 TO 6 FT ON THE OUTER WATERS FRIDAY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS OVER THE WATERS THURSDAY INTO THURSDAY NIGHT.  
 
   
CAR WATCHES/WARNINGS/ADVISORIES  
 
ME...NONE.  
MARINE...NONE.  
 
 
 
 
 
DISCUSSION...AES/ARL/CN  
AVIATION...AES/ARL/CN  
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