Locally heavy rainfall is expected the next few days in multiple areas of the Lower 48. Today rain is expected across the East, then on Wednesday in the southern Plains and Lower Mississippi Valley and finally on Thursday across the Ohio Valley. Meanwhile, a very inclement weather pattern will take shape late week into the weekend for the Northwest, West Coast and much of the West. Read More >
(not available for SERFC locations)
"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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