A system currently moving over a large portion of the Hawaiian islands has resulted in heavy showers and thunderstorms especially over the windward areas. Flash flooding and coastal surges will be possible through Sunday afternoon. Elevated fire weather conditions remain possible across portions of the Northeast and parts of the Rockies into the central High Plains Sunday. Read More >
Eastern Region Headquarters
Regional Headquarters
"How to Interpret the Hydrologic Ensemble Forecast Service (HEFS) Short-Term Probabilistic Guidance" training materials at COMET (free registration required)
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Map Legend
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Chance of Exceedance
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River Forecast Centers
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30%
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Level
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70%
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Action
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Minor Flood
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Moderate Flood
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Major Flood
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 = less than 30% chance of reaching Action level |
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 = no critical levels defined for this point |
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US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Eastern Region Headquarters
630 Johnson Ave., Ste. 202
Bohemia, NY 11716
631-244-0100
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