Area Forecast Discussion
Issued by NWS Albany, NY
Issued by NWS Albany, NY
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274 FXUS61 KALY 070852 AFDALY AREA FORECAST DISCUSSION National Weather Service Albany NY 352 AM EST Thu Nov 7 2024 .SYNOPSIS... Morning clouds and a few sprinkles will give way to clearing and breezy conditions this afternoon, along with mild temperatures. A reinforcing cold front will bring clouds and scattered showers to portions of the region Friday, followed by fair and chilly conditions for Saturday. Low pressure approaching from the west will bring showers to the region late Sunday into Sunday night. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... As of 350 AM EST, area of low clouds continues to expand south and east, with leading edge along or just north of I-90. The southern extent of these clouds may settle a bit farther southward through daybreak. Also, a few sprinkles were noted across the Mohawk Valley and into central NYS, some of which may extend into Schoharie County and the Capital Region around or shortly after sunrise. The low clouds may linger through midday for areas near and north of I-90 before gradually eroding, initially in valleys, and last across higher terrain. It will be breezy today as mixing depth increases, with some gusts of 25-30 mph possible within the Mohawk Valley, Capital Region and Berkshires, and 20-25 mph elsewhere. It will remain mild, though cooler than the record breaking warmth from Wednesday, with highs in the mid 50s to lower 60s for most areas, except 65-70 across the mid Hudson Valley and lower elevations in NW CT, where more sunshine and added downsloping warmth is expected. && .SHORT TERM /6 PM THIS EVENING THROUGH SATURDAY NIGHT/... Weak shortwave ridge translates across the region tonight with a period of mainly clear skies and lighter winds. This should allow temps to drop into the 30s for many areas, with perhaps some 20s across portions of the southern Adirondacks/Lake George region. Some clouds and wind should increase toward daybreak across the SW Adirondacks, allowing temps to rise toward daybreak. Upper level shortwave will track across SE Canada Friday into Friday evening, with an associated cold front trailing from this feature settling southward across the region. This should bring increasing cloud coverage Friday afternoon along with some isolated/scattered rain showers, especially for areas north of I-90. It will also become quite breezy, with some wind gusts possibly reaching 30-40 mph in the afternoon, especially within the Mohawk Valley/Capital Region and Berkshires. Max temps will be warmest across the mid Hudson Valley where morning sunshine and downsloping winds allow temps to reach the mid/upper 60s. Cooler farther north and west, the upper 40s to mid/upper 50s expected. Isolated/scattered rain showers may linger Friday evening, especially across the southern Adirondacks and eastern Catskills. Some showers may change to snow, especially across higher elevations above 1500 feet, producing some scattered coatings to less than an inch of snowfall. Otherwise, clearing and remaining breezy, with lows in the mid 20s to lower/mid 30s. Mostly sunny Saturday with clear skies and chilly temperatures for Saturday night as high pressure builds over the region. Highs Saturday in the upper 40s to lower/mid 50s, except upper 30s/lower 40s across higher elevations. Lows Saturday night in the 20s for most areas. && .LONG TERM /SUNDAY THROUGH WEDNESDAY/... Low pressure approaching from the west will bring increasing clouds Sunday, with showers developing from west to east in the afternoon and continuing through Sunday night. Lingering showers expected Monday with upper level disturbance passing through. Most probable rainfall amounts across the region are generally 0.10-0.25", though some locally higher amounts could occur across portions of the Mohawk Valley/SW Adirondacks. Latest LREF using the Grand Ensemble indicated probability for >0.25"/24 hours (1 PM Sunday - 1 PM Monday) at 30-60% across the region, greatest across the SW Adirondacks and Mohawk Valley, with probability for >0.50"/24 hours (1 PM Sunday - 1 PM Monday) at 10-30%, again greatest across SW Adirondacks/Mohawk Valley. Cool for Sunday with highs in the 40s and 50s, warming slightly into the 50s to lower/mid 60s Monday. Generally fair weather returns for Tuesday into Wednesday, along with near seasonable temps (highs in 50s valleys, 40s higher terrain). Monday morning lows in the mid 30s to lower/mid 40s, cooling to the mid 20s to lower/mid 30s by Wednesday morning. && .AVIATION /09Z THURSDAY THROUGH MONDAY/... Through 06z Fri...VFR conditions should continue for KPOU and KGFL through the TAF period. For KPSF, confidence is high for periods of MVFR between 07/07z and 07/14z before conditions improve back to VFR. For KALB, included a short period of MVFR conditions between 06z and 08z based on latest forecast trends, for that period of lower ceilings, to include it in the TAF in a TEMPO group. Winds increase late this morning into this afternoon with gusts reaching between 15 and 25 knots. Outlook... Friday Night: Low Operational Impact. Breezy. NO SIG WX. Saturday: No Operational Impact. NO SIG WX. Saturday Night: No Operational Impact. NO SIG WX. Sunday: Low Operational Impact. NO SIG WX. Sunday Night: High Operational Impact. Definite SHRA. Veterans Day: Moderate Operational Impact. Chance of SHRA. && .FIRE WEATHER... Continued gusty winds will support persistent fire weather concerns into today and Friday. Humidity levels look to remain elevated today, with minimum daytime RH of 40 to 60 percent across southern portions of western New England and the Mid- Hudson Valley along with west to northwest winds gusting to 20-30 mph this afternoon. On Friday, a drier air mass will see lower RH values of 30 to 50 percent for areas south of I-90, and 50-70% to the north. In addition, gusty west to northwest winds may reach 25-35 mph, if not slightly stronger. Additional fire weather products may therefore be needed both days. In coordination with fire weather partners in Connecticut and Massachusetts, a Special Weather Statement was issued for Litchfield and Berkshire County through 7pm Thursday given gusty winds that can support fire spread. && .ALY WATCHES/WARNINGS/ADVISORIES... CT...None. NY...None. MA...None. VT...None. && $$ SYNOPSIS...KL NEAR TERM...KL SHORT TERM...KL LONG TERM...KL AVIATION...Webb FIRE WEATHER...KL/Picard/JPV