542
FXUS61 KBGM 091632
AFDBGM
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BINGHAMTON NY
1232 PM EDT TUE SEP 9 2025
SYNOPSIS
HIGH PRESSURE OVERHEAD WILL ALLOW RADIATIONAL COOLING TO PUSH
TEMPERATURES BELOW NORMAL TONIGHT. AREAS OF FROST WILL BE
POSSIBLE, ESPECIALLY IN OUR NORMALLY COLDER LOCATIONS.
TEMPERATURES WILL GRADUALLY WARM UP THE REMAINDER OF THE WEEK
WITH DRY CONDITIONS AND PLENTY OF SUNSHINE.
NEAR TERM /THROUGH WEDNESDAY/
HIGH PRESSURE OVERHEAD TONIGHT WILL BRING CLEAR SKIES AND LIGHT
WINDS, SETTING UP A PRETTY FAVORABLE ENVIRONMENT FOR RADIATIONAL
COOLING. TEMPERATURES ARE CURRENTLY IN THE 40S, BUT SHOULD FALL
INTO THE LOW TO MID 40S ACROSS MUCH OF THE REGION. WE DO EXPECT
AREAS IN CHENANGO, DELAWARE, OTSEGO AND NORTHERN ONEIDA COUNTY
FOR FALL INTO THE MID TO UPPER 30S, ESPECIALLY IN THE NORMALLY
COLDER AND MORE SHELTERED VALLEYS. A FROST ADVISORY HAS BEEN
ISSUED FOR THESE COUNTIES FROM 2AM TO 8AM THIS MORNING DUE TO
THE EXPECTED COLD.
HIGH PRESSURE WILL CONTINUE TO DOMINATE THROUGH THE PERIOD.
TEMPERATURES ARE EXPECTED TO WARM INTO THE 70S TUESDAY AND
WEDNESDAY AS THE CENTER OF THE SURFACE HIGH AND MID LEVEL
RIDGING SLIDES TO THE NE AND FLOW BECOMES MORE SOUTHERLY. CAM
GUIDANCE HAS STARTED TO SHOW SOME RAIN SHOWERS WORKING THEIR WAY
INTO NEPA AND THE CATSKILLS TUESDAY NIGHT INTO WEDNESDAY AS A
LOW PRESSURE SYSTEM MOVES NORTH OFF THE MID-ATLANTIC COAST.
ENSEMBLE GUIDANCE AND THE LATEST DETERMINISTIC RUNS SHOW THE
HIGH OVER NEW ENGLAND MIGHT BE TOO STRONG TO ALLOW RAIN SHOWERS
TO PUSH ONSHORE SO POPS WERE NOT INTRODUCED IN THIS FORECAST
PACKAGE. WE WILL CONTINUE TO MONITOR THE EVOLUTION OF THE SYSTEM
FOR POP CHANCES DURING THE NEXT FORECAST PACKAGE.
SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY NIGHT/
THE SURFACE AND MID LEVEL RIDGE THAT DOMINATED THE WEATHER
PATTERN FOR THE FIRST HALF OF THE WEEK WILL MOVE OFF TO THE NE
BY WED NIGHT. IT WILL BE QUICKLY REPLACED BY ANOTHER HIGH
PRESSURE SYSTEM MOVING INTO THE GREAT LAKES BY THURSDAY MORNING.
THIS WILL CONTINUE OUR PROLONGED DRY SPELL, BRINGING SEASONABLE
HIGH TEMPERATURES AND SLIGHTLY COOLER THAN NORMAL LOWS TO THE
AREA FOR THE REST OF THE WEEK.
LONG TERM /SATURDAY THROUGH MONDAY/
HIGH PRESSURE CONTINUES THROUGH SATURDAY. GUIDANCE IS STARTING
TO SHOW A LOW PRESSURE SYSTEM MOVING INTO THE AREA FROM THE NNW
ON SUNDAY AND MONDAY. CONFIDENCE IN TIMING AND LOCATION OF RAIN
SHOWERS IS LOW GIVEN A WIDE VARIETY OF SOLUTIONS SHOWING UP IN
MODEL GUIDANCE. NBM POPS WERE USED FOR THIS PERIOD, WHICH BRINGS
SLIGHT CHANCE (15-20%) ACROSS THE AREA SUN AND MON.
AVIATION /18Z TUESDAY THROUGH SUNDAY/
WITH HIGH PRESSURE IN PLACE OVER THE NEXT 24 HOURS, VFR
CONDITIONS ARE EXPECTED AT ALL TERMINALS BUT ELM. FOG IS
EXPECTED TO DEVELOP BETWEEN 05-08Z AND THEN SETTLE IN AND
PERSIST THROUGH 14Z AGAIN. ALL OTHER FORECAST TERMINALS SHOULD
REMAIN VFR WITH LIGHT TO CALM WINDS.
OUTLOOK...
WEDNESDAY THROUGH SUNDAY...MAINLY VFR. VALLEY FOG EACH LATE
NIGHT/EARLY MORNING AT KELM WILL LIKELY BRING RESTRICTIONS.
BGM WATCHES/WARNINGS/ADVISORIES
PA...NONE.
NY...NONE.
SYNOPSIS...JTC
NEAR TERM...JTC
SHORT TERM...JTC
LONG TERM...JTC
AVIATION...AJG/BJT
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