A cold front followed by a clipper storm will bring periods of snow to the Great Lakes and Northeast U.S. through midweek. Lake-enhanced snow downwind of some of the Great Lakes will bring higher accumulations. Isolated severe thunderstorms are possible over most of the Florida Peninsula through late this afternoon before the severe weather risk diminishes by early evening. Read More >
"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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