National Weather Service United States Department of Commerce

Western Heat Wave Continues; Severe Weather in the Midwest; Tropical Disturbance in the Gulf of Mexico

The persistent and extreme heat wave being felt across the western U.S. is set to continue and even expand into the Central U.S. Severe weather and flash flooding are possible over the Midwest. A tropical depression will likely form over the western Gulf of Mexico in the next two days. Heavy rain could begin to impact portions of the northern Gulf Coast Friday. Read More >

NWR Specific Area Message Encoding (SAME)

 

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.