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GFS LAMP Notifications of Recent/Future Changes

2017

  • SCN 17-101:  Changes to LAMP station-based and gridded guidance effective November 2, 2017. NEW!
  • SCN 17-22 Updated March 31, 2017: Changes to LAMP and Gridded LAMP ceiling and visibility guidance and to the dissemination of GLMP wind gusts and probabilities of ceiling height and visibility effective April 3, 2017. NEW!
  • SCN 17-22: Updated: Changes to LAMP and Gridded LAMP ceiling and visibility guidance and to the dissemination of GLMP wind gusts and probabilities of ceiling height and visibility effective March 29, 2017.

2016

  • TIN 16-13 Amended Jun 10: Upgrades to Gridded LAMP to add Gridded LAMP Wind Gust, ceiling height probability, and visibility probability guidance. Notice amended to clarify dissemination paths for new and existing Gridded LAMP products.
  • TIN 16-13 May 5: Upgrades to Gridded LAMP to add Gridded LAMP Wind Gust, ceiling height probability, and visibility probability guidance.

GFS LAMP Notifications of Past Changes

2015

  • TIN 15-41 Amended Oct 19: Changes to Gridded Localized Aviation Model Output Statistics Program (LAMP) Effective October 19, 2015.
  • TIN 15-41 Aug 31: Changes to Gridded Localized Aviation Model Output Statistics Program (LAMP) Effective October 1, 2015.

2014

  • TIN 14-47 Amended Dec 5: Changes to GFS-based Model Output Statistics (MOS) Guidance coinciding with the GFS model upgrade. These changes will also impact the Localized Aviation MOS Program (LAMP) products beginning with the 1600 UTC cycle. Effective January 14, 2015. This notice is being amended to postpone the implementation until January 14, 2015 due to delay in implementation of GFS upgrade.
  • TIN 13-50 Amended Apr 1: Changes to the Localized Aviation Model Output Statistics Program (LAMP) Products and addition of Convection Guidance and upgrade to Lightning Guidance: Effective April 8, 2014. This notice is being amended to postpone the implementation until April 8, 2014, to allow time to correct a problem found with the BUFR data in testing.
  • TIN 13-50 Amended Feb 24: Changes to the Localized Aviation Model Output Statistics Program (LAMP) Products and addition of Convection Guidance and upgrade to Lightning Guidance to postponing implementation until March 26, 2014, announcing changes to products in the National Digital Guidance Database, and announcing change of GRIB2 decimal scaling of probabilistic guidance

2013

  • TIN 13-50: Changes to the Localized Aviation Model Output Statistics Program (LAMP) Products and addition of Convection Guidance and upgrade to Lightning Guidance: Comment period extended to January 16, 2014, and effective date to be March 11, 2014.
  • TIN 13-30: Update to GFS-based Model Output Statistics (MOS) Wind Guidance and Resulting Changes to LAMP Wind Guidance on or about October 22, 2013. Effective October 22, 2013.

2012

  • TIN 12-33: Impact of SREF Upgrade on Gridded LAMP products.
    Effective August 1, 2012.
  • TIN 12-25 Amended Jun 4: Update to GFS-based Model Output Statistics (MOS) Wind Guidance and resulting changes to LAMP wind guidance: Implementation postponed to June 12, 2012.
  • TIN 11-46: REPLACING CURRENT LAMP TOTAL SKY COVER WITH NEW OPAQUE SKY COVER, REDEVELOPED CEILING HEIGHT AND VISIBILITY, AND ADDING 119 NEW STATIONS. Effective July 17, 2012.

2011

  • TIN 11-18: Change to Experimental Gridded Localized Aviation Model Output Statistics Program (LAMP) Products and Transition to Operations Effective June 21, 2011.

2010

  • TIN 09-39 Amended Jan 15: CHANGES TO GFS-BASED MOS AND LAMP PRODUCTS POSTPONED TO FEBRUARY 9 2010 - UPDATE: POSTPONED UNTIL MARCH 3, 2010.

2009

  • TIN 09-39: CHANGES TO GFS-BASED MOS AND LAMP PRODUCTS: EFFECTIVE JANUARY 26 2010 - UPDATE: POSTPONED UNTIL MARCH 3, 2010.

2008

  • TIN 08-82: ADDITION OF NEW CYCLES FOR GFS-BASED LAMP GUIDANCE: EFFECTIVE NOVEMBER 12 2008.
  • TIN 08-44: ADDITION OF NEW CYCLES FOR GFS-BASED LAMP GUIDANCE: EFFECTIVE JUNE 24 2008.
  • TIN 08-14: ADDITION OF NEW CYCLES FOR GFS-BASED LAMP GUIDANCE: EFFECITVE APRIL 1 2008 - 02/29/2008.

2007

  • TIN 07-94: REMOVAL OF NGM-LAMP GUIDANCE PRODUCTS FROM NWS WEB SITES AND FTP SERVERS AND REPLACEMENT BY THE LOCALIZED AVIATION MOS PROGRAM: EFFECTIVE JANUARY 15 2008 - 12/04/2007.
  • TIN 07-48: ADDITION OF NEW CYCLES FOR GFS-BASED LAMP GUIDANCE: EFFECTIVE SEPTEMBER 26 2007 - 07/30/2007.
  • TIN 07-42: CHANGES TO GFS-BASED MOS AND LAMP PRODUCTS EFFECTIVE SEPTEMBER 11 2007 - 06/21/2007.
  • TIN 07-13: ADDITION OF NEW CYCLES AND STATIONS FOR GFS-BASED LAMP GUIDANCE: EFFECTIVE MAY 8, 2007 - 02/22/2007.

2006

  • TIN 06-14: ADDITION OF NEW GFS-BASED LOCALIZED AVIATION MOS PROGRAM GUIDANCE: EFFECTIVE JULY 25, 2006 - 03/23/2006.