Flash Flood Watches in Southeast and Tennessee Valley; Critical Fire Weather in California; Severe Weather in Upper Midwest

Flash flood watches are in effect today in parts of the Southeast and Tennessee Valley from organized areas of heavy to excessive rainfall. Meanwhile, critical fire weather conditions are likely across northern California with offshore winds and dry conditions. Finally, a strong cold front will produce severe thunderstorms across the Upper to Mid Mississippi Valley.
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Philadelphia, PA Local Forecast Office

40NM S New York NY

Marine Point Forecast

[NOTICE]
  • Tonight

    Patchy Fog

    ESE 10kt
    < 1ft

    Low: 64 °F

  • Tuesday

    Patchy Fog

    ESE 10kt
    < 1ft

    High: 74 °F

  • Tuesday
    Night

    Slight Chc Showers

    ESE 10kt
    < 1ft

    Low: 70 °F

  • Wednesday

    Slight Chc Thunderstorms

    SSE 15kt
    < 1ft

    High: 78 °F

  • Wednesday
    Night

    Chance Showers

    SSE 15kt
    < 1ft

    Low: 70 °F

  • Thursday

    Chance Showers

    S 10kt
    < 1ft

    High: 75 °F

  • Thursday
    Night

    Heavy Rain

    S 10kt
    < 1ft

    Low: 63 °F

  • Friday

    Showers Likely

    SW 10kt
    < 1ft

    High: 73 °F

  • Friday
    Night

    Chance Showers

    Light Wind
    < 1ft

    Low: 61 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:15 pm EDT Sep 20, 2021
Forecast Valid: 5pm EDT Sep 20, 2021-6pm EDT Sep 27, 2021

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Detailed Forecast


Synopsis: High pressure will build offshore of the Canadian Maritimes tonight and remain for much of the upcoming week. A cold front is expected Thursday into Thursday night. High pressure may briefly affect the area late Friday into early Saturday, before another weak disturbance may affect the area around Sunday.

Tonight
ESE wind around 10 kt. Patchy fog after 4am. Seas 1 ft or less.
Tuesday
ESE wind around 10 kt. Patchy fog before 10am. Seas 1 ft or less.
Tuesday Night
ESE wind around 10 kt. A slight chance of showers after 2am. Patchy fog after 2am. Seas 1 ft or less.
Wednesday
SSE wind 10 to 15 kt. A slight chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. Seas 1 ft or less.
Wednesday Night
SSE wind around 15 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday
S wind around 10 kt. A chance of showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.
Thursday Night
S wind around 10 kt. Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Some of the storms could produce heavy rainfall. Seas 1 ft or less.
Friday
SW wind 5 to 10 kt becoming W in the afternoon. Showers likely. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.

Winds and seas higher in and near tstms.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 40.05°N 74.06°W
Last Update: 4:15 pm EDT Sep 20, 2021
Forecast Valid: 5pm EDT Sep 20, 2021-6pm EDT Sep 27, 2021
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