804
FXUS61 KCAR 202324
AFDCAR
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CARIBOU ME
724 PM EDT MON APR 20 2026
WHAT HAS CHANGED
- ACCELERATED END TIME OF PRECIPITATION THIS EVENING.
- INCREASED CLEARING THIS EVENING
- LOWERED TEMPERATURES TONIGHT
- MODIFIED THE KEY MESSAGE TO SPECIFICALLY MENTION LOWS TONIGHT
- UPDATED AVIATION SECTION OF THE AFD FOR 00Z TAFS
KEY MESSAGES
1) UNSEASONABLY COLD TONIGHT, THEN GRADUALLY MODERATING
TEMPERATURES INTO EARLY NEXT WEEK. IT SHOULD BE MAINLY DRY,
EXCEPT FOR POSSIBLY SOME LIGHT SHOWERS FROM LATE WEDNESDAY INTO
THURSDAY. NO SIGNIFICANT IMPACTS ARE EXPECTED THROUGH MONDAY OF
NEXT WEEK.
DISCUSSION
KEY MESSAGE 1...
UNSEASONABLY COLD TONIGHT, THEN GRADUALLY MODERATING
TEMPERATURES INTO EARLY NEXT WEEK. IT SHOULD BE MAINLY DRY,
EXCEPT FOR POSSIBLY SOME LIGHT SHOWERS FROM LATE WEDNESDAY INTO
THURSDAY. NO SIGNIFICANT IMPACTS ARE EXPECTED THROUGH MONDAY OF
NEXT WEEK.
KEY MESSAGE 1 DESCRIPTION...
THE VERTICALLY STACKED TROF WILL BEGIN TO MOVE OVER THE REGION
TONIGHT. THIS WILL CONTINUE TO PROVIDE A PIPELINE OF COLD AIR
INTO THE AREA, CAUSING TEMPS TO BE WELL BELOW NORMAL WITH UPPER
SINGLE DIGITS TO MID TEENS IN THE NORTH AND UPPER TEENS TO MID 20S
IN THE SOUTH TONIGHT. NOTE: WITH SKY CONDITIONS CLEARING OUT
FAIRLY RAPIDLY OVER QUEBEC - WOULD EXPECT SOMETHING SIMILAR
HERE. BASED ON MAINLY CLEAR SKY AND LIGHT WINDS, HAVE LOWERED
LOWS FOR TONIGHT, BLENDING IN NBM10 WITH NBM25. ALSO SUBTRACTED
A COUPLE OF DEGREES IN NORMALLY COLDER VALLEY LOCATIONS.
THE REGION IS UNDER NW FLOW ALOFT WEDNESDAY THROUGH SATURDAY
NIGHT. A NORTHERN STREAM CLOSED LOW PASSING TO THE NORTH, THEN
NORTHEAST WEDNESDAY THROUGH THURSDAY COULD BRING SOME LIGHT RAIN
OR SNOW SHOWERS (JUST RAIN SHOWERS AT THE COAST), WITH LITTLE
OR NO MEASURABLE SNOWFALL AND LESS THAN 1/4 OF AN INCH OF LIQUID
EQUIVALENT EXPECTED. OTHERWISE IT SHOULD BE DRY FROM WEDNESDAY
THROUGH SATURDAY NIGHT, WITH GRADUALLY MODERATING TEMPERATURES.
DEEP LAYERED RIDGING BUILDS IN SUNDAY THROUGH MONDAY WITH
CONTINUED DRY CONDITIONS AND NEAR TO SLIGHTLY ABOVE NORMAL
TEMPERATURES.
AVIATION /00Z TUESDAY THROUGH SATURDAY/
VFR AT ALL TERMINALS THROUGH THE TAF PERIOD. WINDS QUICKLY
BECOME LIGHT AND VARIABLE THROUGHOUT EARLY THIS EVENING. WINDS
SHOULD REMAIN LIGHT AND VARIABLE AT NORTHERN TERMINALS THROUGH
THE TAF PERIOD. KBGR AND KBHB SHOULD SEE A SEA BREEZE AT OR JUST
UNDER 10KT TUESDAY AFTERNOON.
TUESDAY NIGHT...VFR.
WEDNESDAY: VFR AT TERMINALS NEAR THE EASTERN BORDER WITH
CANADA, WITH A LOW CHANCE OF MVFR ELSEWHERE IN THE AFTERNOON.
S-SW WINDS G15KT POSSIBLE.
WEDNESDAY NIGHT-THURSDAY: MVFR OR LOWER POSSIBLE. NW WINDS
G15-20KT POSSIBLE THURSDAY AFTERNOON.
THURSDAY NIGHT-SATURDAY: VFR. NW WINDS G15-20KT POSSIBLE BOTH
FRIDAY AND SATURDAY AFTERNOON.
MARINE
WINDS AND SEAS WILL REMAIN BELOW SCA CONDITIONS TONIGHT, TUESDAY
AND TUESDAY NIGHT.
A RELAXED PRESSURE GRADIENT OVER THE WATERS WEDNESDAY THROUGH
SATURDAY SHOULD LIMIT SUSTAINED WINDS TO 15 KT OR LESS, GUSTS TO
20 KT OR LESS AND SEAS TO 4 FT OR LESS THROUGH THIS TIME FRAME.
CAR WATCHES/WARNINGS/ADVISORIES
ME...NONE.
MARINE...NONE.
DISCUSSION...ARL/PM
AVIATION...ARL/PM
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