LAMP Information and Documentation

Information for LAMP/GLMP v2.6 upgrade which is scheduled for implementation in September 2024.

Information for LAMP/GLMP v2.7 upgrade which was implemented on September 16, 2025.

This section deals with the documentation relative to LMP/GLMP v2.7.

• Presentations (download):
  • Slide package for User Evaluation
• Public Information Statement requesting comments
• Service Change Notice
• There are no changes to LAMP or GLMP WMO headers with this implementation. Updated header documents for LAMP and GLMP are available at the following links:
  • LAMP headers effective with implementation of v2.7
  • GLMP headers effective with implementation of v2.7
• LAMP Thresholds for AWIPS (updated for v2.7)

General LAMP Information

• Description of the GFS LAMP system
• Gridded LAMP Background
• LAMP Convection Product Information (pdf)
• LAMP Lightning Product Information (pdf)
• Description of the GFS LAMP Alphanumeric Text Message
• GFS LAMP Frequently Asked Questions

• Station Information

  • New list of all stations with LAMP guidance. 
  • List of (old - 2007) GFS LAMP Stations (Updated 02/21/2007)
  • List of (old - 2010) GFS LAMP Stations - Effective March 3, 2010
  • List of (old - 2012) GFS LAMP Stations - Effective July 17, 2012
  • List of (old - 2015) GFS LAMP Stations - Effective January 14, 2015
  • List of (old - v2.1.0) GFS LAMP Stations - Effective January 25, 2018
  • Additional GFS LAMP Stations - Effective May 8, 2007
  • Additional GFS LAMP Stations - Effective July 17, 2012
  • Removed GFS LAMP Stations - Effective January 14, 2015
  • Additional GFS LAMP Stations - Effective January 25, 2018
  • Additional GFS LAMP Stations - Effective October, 2019
  • Additional GFS LAMP Stations - Effective March, 2021
  • Removed GFS LAMP Stations - Effective June 6, 2023
  • Additional GFS LAMP Stations - Effective June 6, 2023

  GFS LAMP Technical Information

  • GFS LAMP Forecast Elements
  • Schematic depicting the 2-hr convection and lightning projections (pdf)
  • WMO headers for:
    • All LAMP station-based products and Gridded LAMP convection and lightning products (pdf) (Updated 3/28/2023)
    • All other Gridded LAMP products (pdf) Effective June 2016; Updated 3/28/2023)
  • Products on NWS server:
    • All LAMP station-based products and Gridded LAMP products
  • Encoding details:
    • GRIB2 encoding details for:
      • Gridded LAMP 1-hr convection and lightning products
      • All other Gridded LAMP products Updated 08/06/2015
    • BUFR encoding details for LAMP station-based products
  • Details of binary scaling of Gridded LAMP GRIB2 files Updated 08/06/2015
  • GFS LAMP Jobs Sheets (Available in AWIPS OB7.2)

GFS LAMP Notifications of Changes

• SCN24-80 Updated: Changes and Additions to LAMP Station-based and Gridded Guidance: Effective on or about September 30, 2024.
• Older GFS LAMP TINs

GFS LAMP Papers, Training, and Presentations

• LAMP Publications and Posters
• LAMP Presentations and Training

GFS LAMP Verification Statistics

• Statistical Verification of GFS LAMP against GFS MOS and persistence