National Weather Service United States Department of Commerce

Severe Thunderstorms in the Southern U.S.; Heavy Snow in the North-Central U.S.

Isolated severe thunderstorms are likely across parts of the Southeast/Deep South Tuesday morning into early evening. A couple tornadoes are possible in parts of eastern Mississippi and Alabama. In the north-central U.S., a storm will bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest Tuesday before impacting the Great Lakes Wednesday into Thanksgiving. Read More >

Description Product Baseline

The GTS Internet File Service (GIFS) Product Baseline is the listing of products approved for dissemenation over the internet. The listing is provided in both a Comma Separated Variable (CSV) text format and in Microsoft Excel 97-2003 workbook format to accommodate a variety of uses and platforms. The current and the immediately preceding Product Baselines are provided for review or download.

The GIFS Product Baseline is based on the requirements of the World Meteorological Organization (WMO) Regional Association IV (RA-IV) Regional Meteorological Telecommunications Network (RMTN), as presented in the WMO Manual on the Global Telecommunication System (GTS), WMO No. 386.

The GIFS Product Baseline is managed by the U.S. National Weather Service (NWS) ISCS Program Office. All proposed modifications should be identified through the respective State's Permanent Representatives, or their designees, to the action focal points listed below. Proposed changes which have been properly document on the NWS Request for Change (RC) form and received by the NWS ISCS Program Office for processing, are available for review on the ISCS DRG Web Page.

GIFS Baseline
DATE DATA FILE
(Text or Excel)
03/27/25 text file Excel File
Approved Modifications


 
GeoNetCast Baseline
DATE DATA FILE
(Text or Excel)
03/27/25 text file Excel File
Approved Modifications


 
EMWIN Baseline
DATE DATA FILE
(Text or Excel)
03/26/25 text file Excel File
Approved Modifications


 
Contacts for Baseline Information
RA-IV Action Focal Point
Bernard Werwinski
Acting Chief, Dissemination Systems Branch
iscs.dm@noaa.gov