A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >
| IDP Dataflow Notices |
The NCEP Central Operations (NCO) IDP Dataflow Team is responsible for implementing changes to products communicated to and from the NWS Telecommunication Gateway (NWSTG). This may include changes in product identification, availability, and/or routing. Change notices are provided on the NWSTG system via the NOxx series of products. Other notices concerning IDP Dataflow issues are also included here. |
| Comms ID References |
These references list the defined entries for the various parts of NWS Communication Identifiers including the WMO heading and AWIPS Identifier. |
| WMO Manual on GTS Operations |
Excerpt taken from: WMO No. 386 Manual on the Global Telecommunication System - Part II - Operational Procedures for the GTS. Explanation of Data Designators T1T2A1A2ii CCCC 2023 Edition. |
| WMO Initiatives |
The establishment and maintenance of data management centres and telecommunication systems for the provision and rapid exchange of weather, climate and water-related data. Washington RWC (Regional WIGOS Center) went live on December 21, 2023. |
| TGFTP File Server Reference |
This file reference lists the current files available on tgftp. Also includes the Directory and File Naming Standards and MDL(TDL) to tgftp or ptgftp File Reference. |
| Telecommunication Operations Center |
The National Weather Service Telecommunication Gateway (NWSTG). A Central Source for Products & Observations Through File Retrieval & Web Page Services. |
| NCEP Model Production Suite |
Current status of the NCEP Model Production Suite. |
| Critical Weather Day |
Critical Weather Day has been Declared. |
