Area Forecast Discussion
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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560 FXUS61 KOKX 030834 AFDOKX Area Forecast Discussion National Weather Service New York NY 334 AM EST Tue Nov 3 2026 .WHAT HAS CHANGED... No significant changes. && .KEY MESSAGES... 1) Dry and mild through at least mid week, possibly longer. 2) Increasing likelihood for a wetting rain late in the week. && .DISCUSSION... .KEY MESSAGE 1... Aloft, a highly amplified flow will feature a longwave trough over the Plains and an upper ridge working eastward. This will result in unseasonably warm conditions through most of the week, with temperatures at least 10-15 degrees above normal, possibly 15-20 degrees above normal in spots inland on Wed. Highs today should reach the upper 60s to mid 70s, rise well into the 70s from NYC north/west on Wed, and be mostly in the lower 70s on Fri, while low temps gradually moderate from the 40s/lower 50s today, to the mid 50s to lower 60s by Fri morning. There numbers are slightly warmer than 00Z GFS MOS guidance and in line with higher NBM percentiles. .KEY MESSAGE 2... An approaching front may bring a chance of showers Thu afternoon and night from the NYC metro are north/west. Then a better chance for showers/tstms with moderate to locally heavy rain will come daytime Fri into Fri night/early Sat morning as the front stalls nearby, with one or more waves of low pressure moving along it in response to another closed low forming over the Great Lakes region and possibly phasing with srn stream energy riding along the western flank of offshore upper ridging, with moderate deep layer SW flow providing ample moisture transport. Location of axis of heavy rain somewhat in question in the deterministic model guidance, as the ECMWF places it squarely over Long Island and S CT while the GFS remains mostly offshore. Ensemble solutions suggest lesser likelihood of the offshore solution, and with PW increasing to near 1.75 inches a widespread 1-2 inch rainfall with local amts over 3 inches may be possible. These amts may be capable of causing at least minor nuisance/urban flooding, with some impact to the Fri evening commute. && .AVIATION /09Z TUESDAY THROUGH SATURDAY/... High pressure remains centered off the Mid Atlantic coast throughout the TAF period. VFR. Light SW flow with some outlying terminals going light and variable to calm through the morning push. SW flow then develops and persists through much of today at or just under 10 kt. Winds will fall off slightly once again tonight. ...NY Metro (KEWR/KLGA/KJFK/KTEB) TAF Uncertainty... No unscheduled AMD expected. .OUTLOOK FOR 06Z WEDNESDAY THROUGH SATURDAY... Tonight: VFR. Light SW winds. Wednesday: VFR, SW to S winds. Thursday: VFR more likely early, with the probability of MVFR or lower higher late in the day and at night for showers with MVFR or lower cond developing. Friday: Sub VFR possible in showers. Thunder also possible. Saturday: Improving to VFR early. Detailed information, including hourly TAF wind component forecasts, can be found at: https:/www.weather.gov/zny/n90 && .MARINE... Sub-SCA cond forecast on all waters through Sat night. That said, there is a low chance that seas on the near shore ocean waters (especially out east) may approach 5 ft at some point from Thu night into Sat as a frontal system impacts the waters, preceded by a prolonged period of S-SW flow. && .OKX WATCHES/WARNINGS/ADVISORIES... CT...None. NY...None. NJ...None. MARINE...None. && $$ DISCUSSION...Goodman AVIATION...BC MARINE...Goodman