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Area Forecast Discussion
Issued by NWS Albany, NY
Issued by NWS Albany, NY
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765 FXUS61 KALY 190511 AFDALY AREA FORECAST DISCUSSION National Weather Service Albany NY 111 AM EDT Fri Jul 19 2024 .SYNOPSIS... High pressure will bring dry and seasonable weather to the region today with continued low humidity. Warmer weather returns Saturday through Monday along with a few showers and thunderstorms in spots each day. More widespread showers and thunderstorms are likely for the remainder of next week with temperatures remaining near seasonable levels. && .NEAR TERM /THROUGH FRIDAY NIGHT/... High pressure, currently centered over the Ohio Valley, will build over the region through Friday night. Any showers across the Adirondacks have ended and mostly clear and dry weather is now in store through Friday night along with comfortable humidity. Lows tonight and Friday night will be mainly in the 50s with some upper 40s across the southern Adirondacks. Some patchy fog will be possible each night as well. Highs on Friday will return to near-seasonable levels (lower 80s across the Hudson Valley and 70s elsewhere). && .SHORT TERM /SATURDAY THROUGH SUNDAY/... A weak disturbance may bring an isolated shower to the E. Catskills on Saturday, otherwise dry conditions will persist with weak high pressure in place. High temperatures look to be a few degrees warmer than Fri, but still close to normal. Humidity levels still should be comfortable, with dewpoints in the 50s to lower 60s. A large upper level trough will be progressing eastward across Quebec and northern New England Sat night. While the trough should remain north of our area, a trailing weak surface cold front will start to shift south into the Adirondacks. With limited moisture available, we are just expecting isolated showers in this area with dry conditions elsewhere. Lows will be milder than the previous few nights, but still near normal ranging from mid 50s to mid 60s. The weak front is expected to stall and become diffuse on Sunday. So just isolated showers or general thunderstorms are possible for the W. Adirondacks. Highs look to be slightly warmer than Sat, with temperatures in the Hudson Valley reaching the upper 80s. Dewpoints will be higher (lower/mid 60s) than prior days, but will only result in peak heat index values around 90F. && .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... Guidance depicting a confluent SW flow aloft across the area on Mon, which should continue to result in mainly dry conditions. With gradually increasing moisture, an isolated diurnally driven shower or T-storm cannot be ruled out from around I-90 south. Temperatures continue to run above normal, but the warmest areas should be just around 90F. The flow starts to become more amplified by Tuesday, with PWAT anomalies forecast to increase to above normal levels south of Albany. Combined with a northward advancing front, will mention 40- 60% chance of showers/T-storms during the afternoon/evening, with the greatest probs south of Albany. There is a 50-60% probability of showers/T-storms on Wed, as deep layer moisture continues to increase(widespread PWAT anomalies of +1 to +2 STDEV) along with a potential front positioned across the area. Similar conditions are expected on Thu, as the synoptic pattern looks to remain rather stagnant. High temperatures are expected to be near normal, with low temperatures above normal through much of next week. && .AVIATION /06Z FRIDAY THROUGH TUESDAY/... Through 06z Saturday...VFR conditions will prevail for the upcoming TAF period with high pressure slowly building across the area. Patchy fog will be possible later this morning mainly at KPSF/KGFL, but confidence is low due to the dry air mass in place so did not advertise impacts with this TAF. Winds will remain light & variable through the morning, but will increase to around 5-10 kts out of the northwest by midday. Outlook... Friday Night: No Operational Impact. NO SIG WX. Saturday: No Operational Impact. NO SIG WX. Saturday Night: No Operational Impact. NO SIG WX. Sunday: No Operational Impact. NO SIG WX. Sunday Night: No Operational Impact. NO SIG WX. Monday: Low Operational Impact. Slight Chance of SHRA...TSRA. Monday Night: Low Operational Impact. Slight Chance of SHRA. Tuesday: Moderate Operational Impact. Chance of SHRA...TSRA. && .ALY WATCHES/WARNINGS/ADVISORIES... CT...None. NY...None. MA...None. VT...None. && $$ SYNOPSIS...Rathbun NEAR TERM...Rathbun SHORT TERM...JPV LONG TERM...JPV AVIATION...Speck