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Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

NWS IDP Dataflow

Data Services

Notices

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Notices

The NCEP Central Operations (NCO) IDP Dataflow Team is responsible for implementing changes to products communicated to and from the NWS Telecommunications 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.

 

Upcoming SCNs 

2025/12/06                           Non Compliant ICAO Formatted TAFs and METARs                                                                                                                                       
 

 

 

Recent and Upcoming Notices

Notice Date/Time
(yyyy/mm/dd hhmm)		 Notice Description

 

  
2025/11/25 DM09-25-10 The UKMET Office terminating low resolution products December 8th, 2025.
2025/08/06 DM08-25-09 National Data Buoy Center (NDBC) to Discontinue Release of FM18 TAO data on August 4, 2025 
2025/06/11 1353Z DM06-25.08 Suspension of POES data to Users after June 16, 2025
2025/04/07 1510Z DM04-25.07 Operational transition of the GOES-19 satellite to become GOES-East on or after April 7, 2025
2025/03/11 Effective Immediately DM03-25.06 Suspending Balloon Launches
2024/06/30 June-Aug 2024 DM04-24.05 National Data Buoy Center /NDBC/ Distribution Of Additional Operational Tropical Atmosphere Ocean /Tao/ Recap Buoy Data Under IOBF08 KWNB and IOBG08 KWNB Effective June - August 2024
2024/04/23 1400Z DM04-24.02 Updated: Transition of NOAA Weather Wire Service Open Interface (NWWS-OI) to New Infrastructure
2024/04/17 1300Z DM04-24.04 Updated: Activation of NOAA-21, Metop-B, and Metop-C Polar Winds in BUFR Format to GTS
2024/04/10 1300Z DM04-24.03 Activation of NOAA-21, Metop-B, and Metop-C Polar Winds in BUFR Format to GTS
2024/01/17 DM12-23.01 Change to Global Aviation Products related to the World Area Forecast System (WAFS) Product on or about January 17, 2024
2023/08/01 DM08-23.01 The National Data Buoy Center (NDBC) will replace buoy 46012 with a Saildrone starting on or about September 1, 2023
2023/07/17 1500Z DM06-23.01 PlanetiQ Commercial Radio Occultation Datasets Available for GTS Distribution
2023/06/19  DM03-23.03 NWS Will Cease Dissemination of WSR-88D Legacy Precipitation Processing System /PPS/ Products
2023/06/05  DM05-23.01 Activation of GOES-East/West Ice and Snow products on the Satellite Broadcast Network (SBN)
2023/05/16  DM04-23.02 Changes to LAMP Station-based and Gridded Guidance
2023/05/16  DM04-23.03 Changes to the GFS-based Model Output Statistics (MOS) Guidance
2023/05/15  DM03-23.02 Addition of the Extreme Wind Warning to the Suite of Tropical Products Issued by WFO Guam
2023/05/09  DM03-23.10 Upgrade of the Great Lakes Waves-Unstructured Forecast System (GLWU) to Version 2.0.0:
2023/05/03  DM05-23.02 Addition Of Air Quality Alerts For The Metropolitan St. Louis
2023/05/02  DM04-23.04 Updated: Probabilistic Tropical Cyclone Storm Surge (P-Surge) Model Upgrade
2023/05/02  DM02-23.01 Implementation of Terminal Aerodrome Forecast /TAF/ Service for Upper Cumberland Regional Airport /KSRB/ Sparta TN
2023/04/17  DM03-23.09 NWS Alaska Pacific River Forecast Center Discontinuing the Alaska Recreational River Forecast
2023/04/17  DM03-23.08 Updates to the Aeronautical Fixed Telecommunications Network (AFTN)
2023/04/16  DM03-23.06 "NATIONAL DATA BUOY CENTER /NDBC/ DISTRIBUTION OF TROPICAL ATMOSPHERE OCEAN /TAO/ RECAP BUOY DATA FROM 5N, 125W WMO ID 51015 UNDER IOBF08 KWNB"
2023/04/03  DM04-23.01 Updated: Addition of Record Event Report for Hastings, NE
2023/04/03  DM03-23.07 Addition of Air Quality Alerts for the state of Nebraska
2023/03/29 15Z  DM03-23.05 Snow Telemetry /SNOTEL/ BUFR DATA
2023/03/24  DM03-23.01 Activation of Metop-C ASCAT Winds on the Satellite Broadcast Network
2023/03/23  DM03-23.04 Discontinuation of the Max/Min Temperature and Precipitation Table Product for Louisiana
2023/01/04 18Z DM12-22.02 REPLACEMENT OF GOES-17 DERIVED MOTION WIND BUFR DATA WITH GOES-18 DERIVED MOTION WIND BUFR DATA
2022/10/27 Effective Immediately DM10-22.02 Updated e-Mail for Data Management
2022/11/10 DM10-22.01 ANTARCTIC AUTOMATED WEATHER STATION BUFR DATA
2022/02/22 Effective Immediately DM 01.22-01 Consolidation of Aeronautical Fixed Telecommunications Network /AFTN/ Addresses Assigned to the National Weather Service Telecommunications Gateway on February 22, 2022
2022/01/13 15Z DM 01.22-02 Delay of MET information transmission from JMA via AFTN
2021/11/01 12Z DM 11.21-01 ANTARCTIC AUTOMATED WEATHER STATION BUFR DATA
2021/03/01 DM 03.21-01 CHANGE NOTICE NO 17433 – REV 2.
2020/10/06 DM 01.22-03 CHANGE NOTICE NO 17189 Rev 2 WMO Headings for National Blend of Models Products
2020/08/TBD DM04-20.02 Removal of Products from the Global Ensemble Forecast System (GEFS).