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Archive of PNSs, SCNs and TINs


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Archive of PNSs, SCNs and TINs

Weather.gov > NWS Service Change Notices > Archive of PNSs, SCNs and TINs

Service Change Notices Archive ( 1997 - 2022 ) Technical Implementation Notices Archive( Issued from 1997-2016 ) Back to Current Notifications (Current - 2023) For the most recent Public Information Statements and Service Change Notices, go here. Public Information Statements Archive 2022-1996 Public Information Statements 2022 Dec 19: PNS22-72: Soliciting Comments on the Proposed Upgrade of GFS MOS, LAMP, and Gridded LAMP Guidance through January 11, 2023 Dec 13: PNS22-26 Updated: Soliciting Comments through July 31, 2023 on the “Rapid Onset Drought” Hazard Type as an Experimental Element Within the 8- to 14-Day Hazards Outlook (Contiguous U.S. and Alaska) Dec 12: PNS22-71: Soliciting Comments through April 30, 2023 on Provision of Adding Prototype Air Quality (AQ) National Digital Guidance Database (NDGD) Graphics via Amazon Web Services (AWS) Dec 8: PNS22-70 Updated: Soliciting Public Comments on Changes to Hurricane Forecast Model Output in the Upcoming Hurricane Analysis and Forecast System (HAFS) through January 7, 2023 Dec 7: PNS22-69: National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on December 15, 2022 Dec 7: PNS22-68: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on December 13, 2022 Nov 23: PNS22-67 Updated: Soliciting Comments on the Upgrade of the Great Lakes Waves-Unstructured Forecast System (GLWU) to Version 2.0.0 through December 23, 2022 Nov 22: PNS15 Updated: Comment Period Extended through April 30, 2023 on the Experimental Lake Effect Snow (LES) Warning Polygons from NWS Weather Forecast Offices (WFOs) Buffalo, NY; Binghamton, NY and Albany, NY Nov 16: PNS22-66: National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on November 23, 2022 Nov 16:PNS22-65: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on November 22, 2022 Oct 26: PNS20-34 Updated: Seeking Public Comment and Review on Additions to Experimental Severe Weather Impact Graphics through April 30, 2023 June 28, 2024: PNS19-03 Updated: Soliciting Comments on the Experimental Graphical Hazardous Weather Outlook (GHWO) through February 28, 2025 Oct 21: PNS22-64: Soliciting Comments on the Retirement of the Airmen’s Meteorological Information (AIRMET) over the CONUS through November 20, 2022 Oct 12: PNS22-12 Updated: Enhancements to the Experimental Probabilistic Winter Storm Severity Index (PWSSI): Effective October 11, 2022 Oct 7, 2024:  PNS19-36: Updated: Soliciting Comments on Experimental Winter Storm Outlook through May 15, 2026 Oct 15, 2024: PNS21-68: Updated: Soliciting Comments on the Experimental Standardized Weather Forecast Office (WFO) Avalanche Weather Webpage at 18 WFOs through April 30, 2026 Oct 5: PNS22-63: National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on October 13, 2022 Oct 5: PNS22-62: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on October 11, 2022 Oct 4: PNS22-61: Soliciting Comments on the Removal of WSR-88D Legacy Precipitation Processing System (PPS) Products October 4, 2022 through November 18, 2022 Oct 16, 2024: PNS22-10 Updated: Soliciting Comments until May 31, 2025 on Snow Ratio Grids as an Experimental Element in the National Digital Forecast Database (NDFD) Oct 3: PNS19-02 Updated: Soliciting Comments until April 30, 2023 on Addition of Probabilistic Snow Grids for Select Weather Forecast Offices (WFOs) as an Experimental Element in the National Digital Forecast Database (NDFD) for the Contiguous United States (CONUS) Oct 20: PNS14 Updated: Soliciting Comments until April 30, 2024 on the Continuation of the Probabilistic Winter Precipitation Forecast Experiment Sep 27: PNS22-49 Updated: Soliciting Comments on Experimental Coastal Waters Forecast Wave Component Update through July 31, 2023 Sep 21: PNS22-60: Soliciting Public Comments through November 17, 2022 on the Provision of Post-Tropical Cyclone Event Observational Data through “Tropical Event Summary” Webpages Sep 15: PNS22-59: Soliciting Comments on Proposed Methods to Update the National Precipitation Frequency Standard through November 15, 2022 Sep 12: PNS22-58: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on September 20, 2022 Sep 12: PNS22-57: National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on September 22, 2022 Aug 1: PNS22-56 Updated: Soliciting Comments through January 31, 2024 for the Experimental Global Tropics Hazards Outlook for Week-3 Sep 8: PNS22-09 Updated: Public Webpages for RIDGE II Local Standard Radar (Low Bandwidth) Images: Effective on or about September 8, 2022 Sep 1: PNS20-36 Updated: Soliciting Public Comments through November 30, 2022 on an Experimental Graphic that Depicts the Peak Storm Surge Forecast from the Tropical Cyclone Public Advisory Product when Storm Surge Watch/Warnings are in Effect Sep 25, 2024: PNS22-55 Updated: Soliciting Comments on Experimental Flood Inundation Mapping (FIM) Services through September 30, 2025 Aug 15: PNS22-54: Tropical Cyclone Watch/Warning Product (TCV) Collaboration Testing August 15, 2022 Aug 9: PNS22-53: National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on August 15, 2022 Aug 9: PNS22-52: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on August 15, 2022 Aug 9: PNS22-17 Updated: Changes in Weather Balloon Launch Frequency on August 9, 2022 Aug 8: PNS22-51: Soliciting Comments on NWS Western Region HeatRisk Prototype through September 30, 2022 Aug 1: PNS22-50: Tropical Cyclone Watch/Warning Product (TCV) Collaboration Testing August 2, 2022, with Backup Date Scheduled for August 3, 2022 Sep 27: PNS22-49 Updated: Soliciting Comments on Experimental Coastal Waters Forecast Wave Component Update through July 31, 2023 Aug 1:PNS22-48: Soliciting Comments on MDL-maintained P-Surge, P-ETSS, ETSS, and ESTOFS Websites through January 31, 2023 Jul 20: PNS22-47: Seeking Public Comment on the Prototype NHC YouTube Live Streaming through November 30, 2022 Jul 18: PNS22-46: Soliciting Public Comments on Changes to Products Produced From the Global Forecast System (GFS) through August 17, 2022 Jul 15: PNS22-45: Soliciting Comments on Experimental Tropical Cyclone Discussion (TCD) and Tropical Cyclone Forecast/Advisory (TCM) Products for TC Forecasts Originating from the Weather Prediction Center (WPC) through November 30, 2022 Jul 15: PNS22-44: Soliciting Comments on Experimental Tropical Cyclone (TC) Track and Watch/Warning Graphics (i.e., “Cone Graphics”) for TC Forecasts Originating from the Weather Prediction Center (WPC) through November 30, 2022 Sep 25, 2024: PNS22-43 Updated: Extending Comment Period on the National Water Center's Experimental Area Hydrologic Discussion Product through June 30, 2025 Jul 5: PNS20-28 Updated: Soliciting Comments on the Experimental National Water Center Visualization Services through June 30, 2026 Apr 27, 2023: PNS21-02 Updated: Soliciting Comments on the Experimental National Hydrologic Discussion through June 30, 2024 Sep 25, 2024: PNS22-42 Updated: Soliciting Comments on the Experimental Flood Hazard Outlook (FHO) Product through June 30, 2025 Jul 5: PNS22-34 Updated: Soliciting Comments on the Proposed Upgrade of the GEFS-Aerosol Ensemble Member through July 31, 2022 Jun 30: PNS21-21 Updated: Soliciting Comments through May 31, 2023 on Experimental Arrival of Tropical-Storm-Force Winds Graphics for the South Pacific and Western North Pacific Produced by the Central Pacific Hurricane Center (CPHC) Based on Forecasts from the Joint Typhoon Warning Center (JTWC) Jun 30: PNS21-19 Updated: Soliciting Comments through May 31, 2023 on Experimental Track and Error Cone Graphics Produced by the Central Pacific Hurricane Center for Tropical Cyclones in the South Pacific and Western North Pacific Basins Based on Forecasts Issued by the Joint Typhoon Warning Center Jun 30: PNS21-20 Updated: Soliciting Comments through May 31, 2023 on Experimental Wind Speed Probability Graphics Produced by the Central Pacific Hurricane Center for Tropical Cyclones in the South Pacific and Western North Pacific Basins Based on Forecasts Issued by the Joint Typhoon Warning Center Jun 29: PNS22-19 Updated: Soliciting Comments through October 31, 2022 on Website Upgrade for www.aviationweather.gov Apr 22: PNS22-41 Updated: Soliciting Comments through October 31, 2024 on Expansion of Experimental Surf Forecast Matrix to 7 WFOs Jun 28: PNS22-40: Soliciting Comments through July 27, 2022 on the Proposed Termination of the Week-1 Portion of the Climate Prediction Center Global Tropics Hazards Outlook Jun 28: PNS22-39: National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on July 7, 2022 Jun 28: PNS22-38: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on July 5, 2022 Jun 28: PNS22-37 Updated: Soliciting Comments on the Upgrade of the Surge and Tide Operational Forecast System (STOFS, formerly ESTOFS) to Version 1.0.1 through September 1, 2022 Aug 20, 2024: PNS22-36 Updated: Extending Comment Period on Experimental Potential Coastal Flood Extent Overlays until August 30, 2025 Jun 21: PNS22-35: Soliciting Comments on the Proposed Upgrade of the HYSPLIT v8.0 through July 31, 2022 Jul 5: PNS22-34 Updated: Soliciting Comments on the Proposed Upgrade of the GEFS-Aerosol Ensemble Member through July 31, 2022 Jun 7: PNS22-33: Tropical Cyclone Watch/Warning Product (TCV) Collaboration Testing June 7, 2022, with Backup Dates Scheduled for June 8 and June 14, 2022 May 27: PNS22-32: National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on June 2, 2022 May 27:PNS22-31: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast in Conjunction with the LANTEX22 Tsunami Exercise on June 1, 2022 May 26: PNS22-30: Tropical Cyclone Watch/Warning Product (TCV) Collaboration Testing May 26, 2022 May 23: PNS22-29: Soliciting Comments on the Experimental Implementation of Ceiling, Visibility and Low Level Wind Shear (LLWS) Grids in NDFD from May 23, 2022 through May 23, 2023 May 12: PNS22-28: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast on May 19, 2022 May 12: PNS22-27: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on May 17, 2022 Sep 1: PNS20-36 Updated: Soliciting Public Comments through November 30, 2022 on an Experimental Graphic that Depicts the Peak Storm Surge Forecast from the Tropical Cyclone Public Advisory Product when Storm Surge Watch/Warnings are in Effect Dec 13: PNS22-26 Updated: Soliciting Comments through July 31, 2023 on the “Rapid Onset Drought” Hazard Type as an Experimental Element Within the 8- to 14-Day Hazards Outlook (Contiguous U.S. and Alaska) May 2: PNS22-25: Hurricane Threats and Impacts (HTI) Mosaic Testing on May 3, 2022 (Backup Dates: May 4-5, 2022) Apr 28: PNS21-05 Updated: Comment Period on the Prototype Provision of Full-Resolution National Digital Forecast Database (NDFD) Data via Amazon Web Services (AWS) Extended through April 28, 2023 Apr 27: PNS21-53 Updated: Comment Period on the Experimental National GIS Map Viewer (“The Viewer”) Web Application Extended through May 27, 2022 Apr 27: PNS22-24: Public Comment Period for the Discontinuation of NWS Honolulu’s Route Forecast May 2 – June 30, 2022 Apr 25: PNS22-23: Tropical Cyclone Watch/Warning Product (TCV) Collaboration Testing April 25-29, 2022 Apr 7: PNS22-22: Soliciting Comments on the Experimental Day 3-7 Temperature Anomaly Graphics through July 10, 2022 Apr 4: PNS22-21: National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on April 7, 2022 Apr 1: PNS22-20: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on April 4, 2022 Jun 29: PNS22-19 Updated: Soliciting Comments through October 31, 2022 on Website Upgrade for www.aviationweather.gov Oct 30, 2023:PNS22-18 Updated: Weather Forecast Office (WFO) Guam to Produce Experimental Public and Marine Grids for East and West Micronesia for Inclusion into the National Digital Forecast Database: Effective March 29, 2022 Aug 9: PNS22-17 Updated: Changes in Weather Balloon Launch Frequency on August 9, 2022 Mar 29: PNS22-16: Second Delay of the Spring 2022 Forecast Zones Implementation Date to April 5, 2022 Due to a Critical Weather Day (CWD) Declaration Mar 21: PNS22-15: Delay of the Spring 2022 Forecast Zones Implementation Date to March 29, 2022 Due to a Critical Weather Day (CWD) Declaration Mar 15: PNS22-14: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on March 18, 2022  Mar 10: PNS22-13: Modified National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on March 14, 2022 Mar 1: PNS22-12 Updated: Enhancements to the Experimental Probabilistic Winter Storm Severity Index (PWSSI): Effective October 11, 2022 Jan 25, 2023: PNS22-11 Updated: Soliciting Comments on Experimental Excessive Rainfall Outlook for Days 4-5 through February 26, 2023 Oct 16, 2024: PNS22-10 Updated: Soliciting Comments until May 31, 2025 on Snow Ratio Grids as an Experimental Element in the National Digital Forecast Database (NDFD) Sep 8: PNS22-09 Updated: Public Webpages for RIDGE II Local Standard Radar (Low Bandwidth) Images: Effective on or about September 8, 2022 Feb 10: PNS22-08: National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on February 17, 2022 Feb 10: PNS22-07: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on February 15, 2022 Jan 26: PNS19-01 Updated: Soliciting Public Comments on Experimental Probabilistic Flood Outlook Summary through May 31, 2023 Jan 26: PNS22-06: Level III Base Radial Velocity Radar Product will be Unavailable on NWS Radar Webpage on or around February 2, 2022 Jan 24: PNS22-05: Soliciting Comments on the Proposal Implementation of the National Gridded Snowfall Analysis until February 23, 2022 Jan 20: PNS22-04: New and Existing NWS On-Premise GIS Web Services Hosted on the AWS Public Cloud on or about January 20, 2022 Jan 7: PNS22-03: National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on January 13, 2022 Jan 7: PNS22-02: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on January 11, 2022 Jan 4: PNS22-01: Soliciting Comments on the Upgrade of the National Blend of Models and GFS MOS Guidance through April 8, 2022 Public Information Statements 2021 Dec 10: PNS21-73: National Tsunami Warning Center Routine Communications Tests for the West Coast and Alaska Coast to Take Place on December 16, 2021 Dec 10: PNS21-72: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on …(内容过长已截断)

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