National Weather Service United States Department of Commerce

Heavy Rainfall and Storms in the Carolinas; Active Pattern in the West; Strong Winter Storm in Alaska

Showers and storms will continue across the Mid-Atlantic today. Some storms may produce heavy to excessive rainfall especially within the Carolinas which could lead to flash, urban and small stream flooding. Valley rain and mountain snow will continue to spread across the West today and Friday. A strong winter storm will bring blizzard conditions to the Arctic coastline in Alaska through Friday. Read More >

 

 
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: 

Systems Status information is manually updated M-F during Eastern Time business hours 8am-4pm.

System Information
ISCS GNC-A
Green Bullet showing operational status as good
GIFS
Green Bullet showing operational status as good
Updated 6/12/2023 13:52 UTC

 
Image of the GOES 16 Satellite with the earth below - NOAA Image


Advisories


02/06/2024 ISCS-0250


Add St Maarten Radar Product to GNCA and GIFS

 


Hardware

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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.

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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.

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Access Information

Documents

Alert Information
  • GEONETCast Americas (GNC-A): Channel:  ISCS-WARN
     
  • GTS Internet File Server: Folder: WARN

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Special Needs

  • Users may interface their receiving systems with separate commercial or user-developed applications and devices to address their specific special needs.

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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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