Showers and thunderstorms with heavy rainfall, with a few thunderstorms being severe, are expected over portions of the Southeast and Mid-Atlantic States through Monday. Across the Rockies and Intermountain West, a storm system will bring showers, thunderstorms and high elevation snow. Read More >
Lower Mississippi RFC
River Forecast Center
The annual exceedance probability (AEP) provides a way of comparing rainfall to the climate of a particular area. For example, a certain amount of rain may be less rare in Louisiana than Missouri. Estimating the annual chance of observed or forecast rainfall amounts may provide a way of determining the significance of that rainfall for a particular location.
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