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Severe Thunderstorm Threat From the Central Plains to the Northeast; Extreme HeatRisk for the East Coast

Strong to severe thunderstorms are possible from the central Plains to the Northeast through this evening. Widespread damaging winds are the primary threat but hail and a tornado or two is also possible. Extremely dangerous heat continues across the Eastern U.S. Warm overnight low temperatures will provide little to no relief. Read More >

 

Communication Identifier Definition References

These references list the defined entries for the various parts of NWS Communication Identifiers including the WMO heading and AWIPS Identifier.

NCEP GRIB products can be defined by using Office Note 388 (ON388).


Updated Title/Description
June 20, 2024 CID XR-00 Message Scheme - NWS Communications Identifiers
 

Establishes documents where specific information will be found

May 18, 2023 CID XR-01 Message Scheme - WMO Meteorological Bulletins CCCC
 

WMO Operational Information Service (OIS)

June 01, 2023 CID XR-04 Cat X-ref by NNN - NWS Communications Identifiers
 

Product category/WMO heading cross-reference sorted by product category (NNN)

June 01, 2023 CID XR-05 Cat X-ref by TT - NWS Communications Identifiers
 

Product Category WMO heading cross-reference sorted by T1T2 of the WMO heading

April 24, 2018 CID XR-06 ii vs State - NWS Communications Identifiers
 

For the second i of the ii group, ii vs State Cross-Reference by geographic areas

Sep 07, 2023 CID XR-07 Center Identifiers List - NWS Communications Identifiers
 

Center/national identifiers by CCCC

Dec 19, 2018 CID XR-08 CCCC Identifiers List - NWS Communications Identifiers
 

NWS site identifiers (CCCC) list

Sep 18, 2013 CID XR-09 CCC Identifiers List - NWS Communications Identifiers
 

NWS site identifiers (CCC NODES) list