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Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

International Services and Communication Systems

National Program

Weather.gov > International Services and Communication Systems
Topic Description
General Description

A collective group of message dissemination systems used to provide weather, water and climate information to the United States and segments of the World Meteorological Organization (WMO) International community. Systems include:

Hardware
Software
Format(s)
  • GNC-A and GIFS: WMO Standard alpha-numeric text, BUFR, GRIB, T4-FAX, and *.png/*.jpg/*.gif for imagery/graphic pictures, .bin for encapsulated imagery/graphics pictures.
Monitoring
  • The GNC-A Satellite Broadcast: is monitored 24x7 by NESDIS for broadcast quality and availability of channel content. The NWS audits the data stream content on each of the NWS "ISCS-xxxxxxx" channels for consistency with the service's product baseline listing described in the ISCS product baseline and the NESDIS GNCA Product Catalog
  • The GIFS file service: is monitored 24x7 by the NWS NOAA Central Operations (NCO). The NWS audits the data content posting the file server monthly for consistency with the service's product listing described in the ISCS product baseline.
Access Information
Documents
Alert Information
  • GEONETCast Americas (GNC-A): Channel: ISCS-WARN
  • GTS Internet File Server: Folder: WARN
Special Needs
  • Users may interface their receiving systems with separate commercial or user-developed applications and devices to address their specific special needs.
Issues
  • The status of the GNC-A broadcast and GIFS services is updated manually during normal business hours.

  • Service issues impacting user operations should be reported immediately to:

    Tech Control:

    Phone:
    301-683-1518
    or
    Email:
    SDM@noaa.gov
    and cc:
    iscs.dm@noaa.gov

  • Questions regarding the broadcast products, adding or replacing broadcast products or broadcast product format should be addressed to: iscs.dm@noaa.gov
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