The Emergency Managers Weather Information Network

EMWIN is an acronym for the Emergency Managers Weather Information Network.  It is a service provided free by the National Weather Service.  EMWIN is a data stream broadcasted by the National Weather Service for use by emergency managers and others.  This data stream contains current weather warnings, watches, images, advisories, and  forecasts issued by the National Weather Service.

The information present in the EMWIN data stream originates from local weather service offices and other sources.  This information is collected at the National Weather Service office in Silver Spring, Maryland.  From there, it is up-linked to the GOES 13 and 15 weather satellites from a transmission site in Wallops Island, Virginia.

There are three methods to receive EMWIN data.  You can obtain it directly from the GOES weather satellites with a satellite receiver.  If the EMWIN signal is being broadcasted on a VHF or UHF frequency in your area, you can receive it using a low cost scanner and decoder.  It is also available through an internet connection.  Each method requires different hardware and/or software combinations. 

For EMWIN Software visit the Weather Message website.

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