Damaging thunderstorm winds and a few tornadoes with areas of excessive rainfall are possible today over parts of the lower Great Lakes to upper Ohio Valley and Mid-Atlantic, the Ozarks, and south-central High Plains. Excessive heat will continue over the southern U.S. this weekend before another round of heat arrives Monday through the central and southern U.S. spreading into the East by midweek. 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 Last Updated:
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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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