Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Detailed SAME System Specification (pdf file)

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Explanation of NWR and SAME

Using NWR SAME
How you can program your new NWR SAME receiver with this code
SAME codes for states, counties, and territories
SAME codes for message types
NWS implementation of SAME Location Code Changes
SAME Location Code with a Non-Zero First Digit

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.

Areas of Dangerous Heat and Severe Thunderstorms

NWR SAME

Explanation of NWR and SAME