The Emergency Managers Weather Information Network (EMWIN) is a system for distributing a live stream of

weather Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloud cover, cloudy. On Earth, most weather phenomena occur in the lowest layer of the planet's atmos ...

information in the United States. The backbone of the system is operated via

satellite A satellite or artificial satellite is an object intentionally placed into orbit in outer space. Except for passive satellites, most satellites have an electricity generation system for equipment on board, such as solar panels or radioi ...

by the U.S.

National Weather Service The National Weather Service (NWS) is an agency of the United States federal government that is tasked with providing weather forecasts, warnings of hazardous weather, and other weather-related products to organizations and the public for the ...

(NWS), but data are transmitted over

radio Radio is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmi ...

repeater In telecommunications, a repeater is an electronic device that receives a signal and retransmits it. Repeaters are used to extend transmissions so that the signal can cover longer distances or be received on the other side of an obstruction. Som ...

s by the NWS, citizens, and other organizations in many regions, and information can also be downloaded via the

Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a '' network of networks'' that consists of private, pub ...

. Local VHF/UHF radio rebroadcasts and older-generation EMWIN satellite systems operate at the speeds of 1200 and 9600 baud. EMWIN data consists of

textual In literary theory, textuality comprises all of the attributes that distinguish the communicative content under analysis as an object of study. It is associated with structuralism and post-structuralism. Explanation Textuality is not just ab ...

observational and forecast information, including a limited number of

cloud In meteorology, a cloud is an aerosol consisting of a visible mass of miniature liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body or similar space. Water or various other chemicals may ...

and

radar Radar is a detection system that uses radio waves to determine the distance ('' ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, we ...

images. The new EMWIN, labeled EMWIN-N, began being upgraded in 2009. The upgrade continues through 2011 to ready older GOES satellites to provide a higher speed of 19.2 kbit/s. The data broadcasts are monetarily free with both local rebroadcasts and satellite feeds. EMWIN via Twitter may be done by anyone to spread information on all types of emergencies to virtually unlimited numbers of people in real time also. EMWIN weather data is primarily transmitted over

GOES Goes () is a city and municipality in the southwestern Netherlands on Zuid-Beveland, in the province of Zeeland. The city of Goes has approximately 27,000 residents. History Goes was founded in the 10th century on the edge of a creek: de Kort ...

satellites that observe the United States. The new satellites are the GOES-R series, and are designated GOES 16 and GOES 17. On February 13, 2017 it suffered a service disruption.

References

{{reflist

External links

EMWIN homepage

Meteorological data and networks Disaster preparedness in the United States