Area Forecast Discussion
Issued by NWS Albany, NY

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434 FXUS61 KALY 150720 AFDALY AREA FORECAST DISCUSSION National Weather Service Albany NY 320 AM EDT Sat Jun 15 2024 .SYNOPSIS...
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High pressure builds across the region for the weekend. Expect plenty of sun and seasonable temperatures before a prolonged period of hot and humid weather arrives for next week.
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&& .NEAR TERM /UNTIL 6 AM THIS MORNING/... Clouds are gradually exiting east and south. The wind shift boundary is slowly dropping south, with the shift from west to north. The clearing through daybreak and light winds could result in some patchy fog in areas where rainfall occurred earlier. Lows mainly in the 50s. && .SHORT TERM /6 AM THIS MORNING THROUGH SUNDAY NIGHT/... Some lingering low clouds will be possible Saturday morning, especially across the eastern Catskills and Helderbergs, otherwise mainly sunny/clear skies are expected through Sunday morning. North/northeast winds may be gusty Saturday morning, especially across the upper Hudson Valley/Lake George/Saratoga region where some gusts as high as 25-30 mph could occur before diminishing during the afternoon. High temperatures mainly in the 70s. Clear and chilly Saturday night, with PWAT`s dropping to or below 0.50" and light/calm wind. This should provide excellent radiational cooling and allow temperatures to drop off into the 40s to around 50, although some upper 30s will be possible across portions of the southern Adirondacks. Sunshine may mix with high clouds at times Sunday afternoon, otherwise another pleasant day with highs mainly in the 70s. Clouds increase Sunday night, and some showers/isolated thunderstorms could develop prior to daybreak Monday as mid level warm advection strengthens. Lows mainly in the 50s. && .LONG TERM /MONDAY THROUGH FRIDAY/... Prolonged period of excessive heat/high humidity increasingly likely for much of next week... Strong mid/upper level ridging sets up across eastern U.S. next week, allowing for heat and humidity to build. Have used NBM mean for forecast temperatures, giving widespread mid/upper 90s Tuesday through Friday for elevations below 1000 feet, and upper 80s to lower 90s above 1000 feet. Dewpoints should reach the upper 60s to lower 70s during this time period, allowing heat indices to reach the upper 90s to lower 100`s in valley areas during this time. Overnight lows will only fall into the upper 60s to lower 70s, warmest in valleys immediately adjacent to the Hudson/Mohawk Rivers. Isolated/scattered thunderstorms may develop each afternoon, especially by Thursday-Friday as a weak front possibly approaches from the north. Monday will be the transition day to hotter weather, with max temps generally in the mid 80s to lower 90s in valleys and upper 70s to lower 80s across higher terrain areas. There could be some clouds and perhaps isolated to scattered showers/thunderstorms around, especially across the southern Adirondacks, as a weak mid/upper level disturbance passes nearby. && .AVIATION /07Z SATURDAY THROUGH WEDNESDAY/... Through 06Z Sunday...Largely VFR conditions expected through the period. A wind shift boundary continuing to slowly sag southward across the region will see clearing skies in its wake. At POU, which will remain south of the boundary through 09-10Z Sat, elevated low- level moisture beneath clearing skies may result in patchy fog/mist, resulting in periods of MVFR vsbys. As the low levels dry out closer to sunrise, conditions will return to VFR. Elsewhere north of the boundary, VFR conditions will persist as skies clear by 12Z Sat. Diurnal fair wx cu at 4-6 kft will develop after 16-18Z Sat, before again clearing by the evening after 00Z Sun. Light north to northwest winds at 3-6 kt north of the wind shift boundary at ALB/GFL/PSF will continue through the overnight period, increasing to 5-10 kt after 09-10Z Sat. To the south at POU, calm to light and variable winds will continue until the boundary passes by 09-10Z Sat, when light northerly winds will develop. All terminals will see north to northwest winds of 8-12 kt potentially gusting around 20 kt through the morning, from 12-18Z Sat, before gusts begin to subside with sustained winds of 6-10 kt. Speeds continue to diminish to 5 kt or less through the evening after 00Z Sun. Outlook... Saturday Night: No Operational Impact. NO SIG WX. Sunday: No Operational Impact. NO SIG WX. Sunday Night: No Operational Impact. NO SIG WX. Monday: No Operational Impact. NO SIG WX. Monday Night: No Operational Impact. NO SIG WX. Tuesday: No Operational Impact. NO SIG WX. Tuesday Night: No Operational Impact. NO SIG WX. Wednesday: No Operational Impact. NO SIG WX. && .ALY WATCHES/WARNINGS/ADVISORIES... CT...None. NY...None. MA...None. VT...None. && $$ SYNOPSIS...NAS NEAR TERM...NAS SHORT TERM...KL LONG TERM...KL AVIATION...Picard