National Weather Service United States Department of Commerce

Tornado Outbreak Expected Today in the Central U.S. Followed by Multi-Day Heavy Rainfall Event

A tornado outbreak is expected today and tonight from parts of the lower Mississippi Valley into the Mid-South and lower Ohio Valley. Numerous tornadoes, along with multiple long-track EF3+ tornadoes, appear likely. A multi-day, potentially historic heavy rainfall event may produce catastrophic and life-threatening flooding today through Saturday from the Ozarks into the Ohio River Valley. Read More >

 

Detailed SAME System Specification (pdf file)

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Explanation of NWR and SAME

NWR service to a county depends on reliable signal reception, which typically extends in about a 40 mile radius from the transmitter, assuming level terrain. Counties without NWR coverage or partial NWR coverage are indicated. Some counties or parts of counties, especially in mountainous areas, may not have reliable reception due to signal blockages or excessive distance from the transmitter.