National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Heat This Weekend

Severe thunderstorms today may produce damaging winds, large hail, tornadoes, and flooding over parts of the Plains into the Missouri Valley. On Sunday, scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity. Hazardous heat will continue in the South, Southwest and central California this weekend building across the Pacific Northwest Sunday. 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)
04/21/26 text file Excel File

Approved Modifications

 
EMWIN Baseline
DATE DATA FILE
(Text or Excel)
03/30/26 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