


Area Forecast Discussion
Issued by NWS Binghamton, NY
Issued by NWS Binghamton, NY
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455 FXUS61 KBGM 220133 AFDBGM Area Forecast Discussion National Weather Service Binghamton NY 933 PM EDT Fri Mar 21 2025 .SYNOPSIS... Winds will diminish heading into the evening hours, with dry and seasonable weather overnight. Rain showers return Saturday afternoon, and could mix with some snow showers by evening or overnight. Cooler but dry and mostly sunny weather expected for Sunday before the next system brings a period of snow and rain Sunday night into Monday. && .NEAR TERM /THROUGH SATURDAY NIGHT/... 930 PM Update... Under the clear skies, temperatures have fallen slightly more than originally forecasted. Temperatures were dropped for most of the overnight hours, especially east of I-81 where skies will remain clear for most of the overnight hours. This did the forecasted lows being decreased across most of the region as well. Otherwise, the forecast is doing well and needed no additional changes. 615 PM Update... The previous forecast remains on track and no changes were needed at this time. 330 PM Update... Upper level ridge continues to build into the region this afternoon with northwest flow shifting west. Temperatures have climbed into the upper 30s to upper 40s across the area. Gusty winds are expected to diminish within the next few hours as high pressure continues to build into the area. Dry conditions allowed RH values to drop into the 25-35% range this afternoon, but values are climbing as we approach sunset. RH observations are currently at 30-40%. An SPS remains over central NY for the elevated risk of wildfire spread. The threat will gradually diminish are winds and RH will become unfavorable for fire weather. Overall a calm night is in store with temperature in the upper 20s to mid 30s. A shortwave trough approaches the region Saturday morning along with a cold front. This will bring a quick round of scattered rain showers to the region Saturday morning through Saturday afternoon. High temperatures are expected to climb into the mid 40s to mid 50s in the afternoon ahead of the front. Timing of the frontal passage will impact precipitation types. As of now snow begins to mix into the region late afternoon just before the system exits to our east. Not expecting much in terms of accumulations, only a few tenths of an inch possible. Conditions mainly dry out by Saturday evening as shortwave slides east with west to northwest flow settling in behind the front. Cooler temperatures return Saturday night with lows in the upper teens to low 20s. && .SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/... 230 PM Update Quiet weather under high pressure for Sunday. It will remain cool as cold air aloft (-9C at 850mb) remains in place. A warm frontal system quickly moves into the area Sunday night bringing the next round of precipitation. At this time it looks like it may be cold enough to start as a period of snow overnight into early Monday morning. Warmer air aloft, and eventually at the surface moves in late at night, which will change the snow over to a light wintry mix and rain from SW to NE. QPF amounts are around a tenth to quarter inch for most locations...with up to four-tenths of an inch over northern Oneida and the Catskills. Too early to pin down potential snow amounts, but some minor accumulations are certainly looking possible, especially over the higher elevations and along/east of I-81. Overnight lows are seasonably cold in the mid-20s to lower 30s...but temperatures do start rising toward daybreak Monday. A dry slot moves into the area Monday morning with just a few lingering showers possible. Then, the upper level trough swings in from the NW Monday afternoon bringing numerous showers to the region. With the southerly flow out ahead of the low pressure center, it looks to warm up into the 50s early Monday afternoon. Isolated to scattered showers continue Monday night in the colder westerly flow under the broad upper level trough. Overnight lows dip down between 30-35 so some snow showers do mix in at night. && .LONG TERM /TUESDAY THROUGH FRIDAY/... 240 PM Update A cool, unsettled weather pattern looks to persist for much of next week. A large, high amplitude upper level ridge over the western CONUS remains in place...and this forces the eastern trough to remain very persistent. This will keep a cold northwest flow pattern in place for the Northeastern US, with several clippers and low pressure systems moving through the area. Timing each individual system/wave is tricky this far out in time. However, the latest model data suggests just a few light showers around for Tuesday; mainly in CNY with highs in the 40s. Latest guidance is starting to shift south with a weak low for Wednesday, keeping our area in a northwest flow pattern with perhaps just a few isolated pop up showers. Temperatures remain steady with overnight lows in the 20s to low 30s and highs still in the 40s. Wednesday night and Thursday are mainly dry with weak high pressure nudging in from the Ohio Valley/Appalachians region; steady temperatures a few degrees below normal expected. Uncertainly increases for the end of next week, but shower chances are increasing in the NBM data heading into Friday and Friday night...temperatures potentially start to moderate some for the end of next week into next weekend. && .AVIATION /02Z SATURDAY THROUGH WEDNESDAY/... VFR conditions are expected overnight and through the early morning hours. After 12z, a front will bring rain showers to the region. Ceilings begin to drop ahead of the showers. MVFR restrictions are expected at all terminals as the front moves through. Brief Fuel Alt will also be possible at the CNY terminals but this was left out of the TAFs for now. The front is quick to move through and most terminals will improve to VFR Saturday evening. Winds will generally be light and variable for most of the overnight hours. As the front approaches, southerly winds become gusty. Then as the front moves through, winds become northwesterly and even stronger. Peak gusts during the daytime hours on Saturday will be around 25 kts. Low-level wind shear will be possible at ELM, ITH, and SYR between 06 and 12z. Winds will be 35 to 40 kts out of the west-southwest up to FL020. Outlook... Saturday night through Sunday...Mainly VFR. Monday...Another system brings rain/snow showers to the area with associated restrictions possible. Tuesday and Wednesday...Scattered snow and rain showers over the region with more restrictions possible. && .BGM WATCHES/WARNINGS/ADVISORIES... PA...None. NY...None. && $$ SYNOPSIS...JTC NEAR TERM...BTL/ES SHORT TERM...MJM LONG TERM...MJM AVIATION...BTL