National Weather Service United States Department of Commerce

Moderating Temperatures for the East; Developing Storm for the Plains

Temperatures will continue to moderate across the east half of the nation through at least the first half of this week. A developing storm across the Southern Plains may bring some heavy rain from the Plains to the lower Great Lakes region, a wintry mixture and accumulating snow across the Midwest and Upper Mississippi Valley into mid-week. The west remains unsettled with occasional rain and snow. Read More >

Emergency Managers Weather Information Network

National Program

About EMWIN

Weather.gov > Emergency Managers Weather Information Network > About EMWIN

 

The Emergency Managers Weather Information Network -- EMWIN -- is a service that allows users to obtain weather forecasts, warnings, and other information directly from the National Weather Service (NWS) in almost real time. EMWIN is intended to be used primarily by emergency managers and public safety officials who need timely weather information to make critical decisions.

Emergency Managers Weather Information Network (EMWIN) offers an economical way to receive all products available on the NWWS, plus graphical forecasts and select satellite data. Compared to the NWWS, typically, an additional broadcast delay of 5 to 20 seconds can be expected for watches and warnings, as compared to the NWWS delay. The EMWIN system is monitored on 24 hours per day, 7 days a week, and has an estimated availability of at least 99%. EMWIN systems are available from many private industry suppliers. The service itself is free.
  • Developed in partnership with the National Oceanic and Atmospheric Administration (NOAA) National Environmental Satellite, Data, and Information Service (NESDIS), and other public and private organizations
  • Provides open public access without fee, to a managed set of US National and World Meteorological Organization (WMO) International warnings, watches, forecasts, and other products.
  • Sequences highest-priority/most-urgent products ahead of all lower priorities products
  • Supplements other US NOAA/NWS dissemination services, including:
    • NESDIS GEONETCast Americas (GNC-A) satellite broadcast service
    • NOAA Weather Wire System (NWWS) satellite broadcast and Internet services
    • SBN-NOAAPORT Broadcast System
    • NOAA Weather Radio (NWR) VHF Broadcast Service
    • NWS Information Dissemination Service (NIDS) Internet Services
    • NWS Global Telecommunication System (GTS) Internet File Service (GIFS)

       

GOES Satellite Footprint Extent of EMWIN Broadcast

EMWIN satellite broadcast footprint image

 

 

EMWIN Dissemination Platforms and Stakeholders

EMWIN Dissemination Platforms:

Stakeholders:

  • EMWIN, LRIT and GOES-R HRIT/EMWIN Broadcast Interface Community
    • Broadcast Receivers and Antenna Systems
  • Application Software Community
  • Information End User Communities:
    • US National Users – Government, commercial, public and private
    • WMO Regional Association IV (RA-IV) Member States
    • Adjacent WMO Regions (RA-III and RA-V; Pacific Ocean Region)
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