Areas of Dangerous Heat and Heavy Rain with Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Detailed SAME System Specification (pdf file)

You need the free Adobe Acrobat Reader to read pdf files.

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 Heavy Rain with Possible Flooding This Week

NWR SAME

Explanation of NWR and SAME