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Severe Thunderstorms and Heavy Rain in the Southern Plains; Fire Weather Threat in the Southwest U.S.

Thunderstorms, some severe, may produce heavy to excessive rainfall and isolated flooding over portions of the Southern Plains today and Saturday. Dry conditions, combined with gusty winds and low relative humidities will continue to support an elevated to critical fire weather threat in the Desert Southwest into to early next week. Read More >

Lower Mississippi RFC

River Forecast Center

Experimental 3hr Rainfall ARI

Weather.gov > Lower Mississippi RFC > Experimental 3hr Rainfall ARI
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Important Disclaimer

The following graphics are experimental and not an official forecast product. The graphics were created to display the average recurrence interval (ARI) for 1-hour and 3-hour RFC best-estimate rainfall as well as diagnostics for the MRMS radar-only rainfall estimate product. The plots were developed as a tool for assessing the severity of shorter duration rainfall in realtime as well as biases in radar-only products. A particular ARI value does not necessarily correlate with impacts at a given location.


Experimental products may not always update in a timely manner and may be discontinued at a future date. Experimental products may not always reflect accurate, quality controlled information and should be used with caution.

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