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
Each method requires different hardware and/or
For EMWIN Software visit the Weather Message website.
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