MOS Technical Notices

 

MOS

Service Change Notices

SCN 19-23: Termination of the Global Ensemble Forecast System (GEFS)-based Model Output Statistics (MOS) product (MEN) on or about April 16, 2019

SCN18-77: Changes to the Global Forecast System (GFS)-based Model Output Statistics (MOS) guidance, effective on or about September 19, 2018

SCN17-130 Updated: Changes to NAM-based MOS Guidance, effective on or about January 23, 2018

SCN17-130: Changes to NAM-based MOS Guidance, effective on or about January 30, 2018

 

Technical Implementation Notices

TIN:16-31 Amended:Changes to GFS-based Model Output Statistics (MOS) Guidance effective on or about November 3, 2016

TIN16-15 Amended: Changes to North American Mesoscale Model (NAM)-based Model Output Statistics (MOS) Guidance Effective August 16, 2016

TIN 15-33 Amended: Changes to North American Mesoscale Model (NAM)-based Model Output Statistics (MOS) Guidance Effective on January 13, 2016

TIN 15-34 Amended: Changes to GFS-based Model Output Statistics (MOS) Guidance effective October 19, 2015

TIN15-33 Changes to North American Mesoscale Model (NAM)-based Model Output Statistics (MOS) Guidance Effective September 29, 2015

TIN15- 09 Changes to Global Forecast System (GFS)-based Model Output Statistics (MOS) Guidance

TIN14- 47 Amended Changes to GFS-based Model Output Statistics (MOS) Guidance

TIN13-30: Amended Update to GFS-based Model Output Statistics (MOS) Wind Guidance and resulting changes to LAMP wind guidance

TIN13-22: Amended New GFS MOS total sky cover and ceiling guidance for island locations in the tropical western Pacific

TIN13-20: Amended Addition of mean total sky cover to 1200 UTC extended-range GFS MOS text and BUFR messages

TIN 12-42: CHANGE IN LAND SURFACE MODEL IN GLOBAL FORECAST SYSTEM AND ASSOCIATED COOL AND MOIST BIAS IN NEAR SURFACE TEMPERATURE AND MOISTURE FIELDS

TIN 12-25: CHANGES TO GFS MOS WIND SPEED AND DIRECTION GUIDANCE EQUATIONS FOR THE WARM SEASON

TIN 11-16 Amended:Amended: Implementation Date Delayed: Changes to the North American Mesoscale (NAM) Analysis and Forecast System: Effective October 18, 2011

TIN 10-20: CHANGES TO SHORT- RANGE AND EXTENDED-RANGE GLOBAL FORECAST SYSTEM (GFS)-BASED MOS BUFR PRODUCTS

TIN 09-39: CHANGES TO GFS MOS GUIDANCE EQUATIONS

TIN 09-04: REMINDER: TERMINATION OF THE NGM AND NGM-BASED PRODUCTS

TIN 08-90: TERMINATION OF THE NGM AND NGM-BASED PRODUCTS

TIN 08-89: REPLACEMENT OF ETA-BASED MOS GUIDANCE WITH NAM-BASED MOS GUIDANCE

TIN 08-55: NEW GFS MOS TEMPERATURE AND DEWPOINT GUIDANCE FOR ISLAND LOCATIONS IN THE WESTERN PACIFIC OCEAN

TIN 08-10: ADDITION OF GFS-BASED MOS THUNDERSTORM GUIDANCE FOR ALASKA

TIN 07-42: CHANGES TO GFS-BASED MOS AND LAMP PRODUCTS

TIN 07-34: UPGRADE OF GFS- BASED SKY COVER GUIDANCE

TIN 07-07: NEW GFS MOS PRECIPITATION GUIDANCE FOR ISLAND LOCATIONS IN THE WESTERN PACIFIC OCEAN

TIN 06-48: REMOVAL OF OBSOLETE SHORT-RANGE GFS-BASED MOS BUFR PRODUCTS

TIN 06-40: IMPACT ON ETA BASED MOS GUIDANCE WITH IMPLEMENTATION OF NON-HYDROSTATIC MESOSCALE MODEL

TIN 06-33: UPDATE TO STATIONS IN GFS-BASED MOS BUFR PRODUCTS

TIN 06-32: UPDATE TO STATIONS IN GFS MOS TEXT PRODUCTS

TIN 06-21: CHANGES TO EXTENDED-RANGE GFS-BASED MOS WIND GUIDANCE

TIN 06-17: ENHANCEMENTS OF GFS-BASED MOS THUNDERSTORM PRODUCTS

TIN 06-16: ADDITION OF ALASKA GFS-BASED RFC MOS PRODUCT

TIN 05-59: CHANGE OF LOCATION IDENTIFIER FOR GLACIER PARK INTERNATIONAL AIRPORT, KALISPELL, MONTANA FROM KFCA TO KGPI

TIN 05-56: ADDITION OF NEW GFS-BASED GRIDDED MOS GUIDANCE

TIN 05-52: REMOVAL OF NGM-BASED MOS REDBOOK GRAPHICS

TIN 05-45: ADDITION OF NEW EXTENDED-RANGE GFS-BASED MOS BUFR PRODUCTS

TIN 05-43: ADDITION OF VISIBILITY AND OBSTRUCTION TO VISION GUIDANCE TO ETA MOS PRODUCTS

TIN 05-42: ADDITION OF EXTENDED-RANGE GFS-BASED MOS TEXT PRODUCT FOR THE 1200 UTC MODEL CYCLE

TIN 05-08: NEW SHORT-RANGE GFS MOS GUIDANCE FOR ISLAND LOCATIONS IN THE WESTERN PACIFIC OCEAN

TIN 05-07: ADDITION OF TWO SITES TO THE SHORT-RANGE GFS MOS GUIDANCE

TIN 04-59: REMOVAL OF NGM-BASED TRAJECTORY MODEL PRODUCTS

TIN 04-54: ADDITION OF GFS-BASED MOS MAXIMUM AND MINIMUM TEMPERATURE GUIDANCE FOR COOPERATIVE OBSERVER LOCATIONS

TIN 04-53: ADDITION OF NEW SHORT-RANGE GFS-BASED MOS BUFR

TIN 04-52: ADDITION OF NEW ETA-BASED MOS BUFR PRODUCTS

TIN 04-51: ADDITION OF ETA-BASED MOS WIND AND TEMPERATURE GUIDANCE FOR MARINE LOCATIONS

TIN 04-32: ADDITION OF AIR TEMPERATURE AND DEW POINT GFS-BASED MOS GUIDANCE AT MARINE LOCATIONS

TIN 04-31: CHANGE TO NGM MOS BUFR PRODUCTS

TIN 04-29: CHANGE TO STATION IDENTIFIER IN GFS-BASED MOS TEXT PRODUCTS

TIN 04-28: CHANGE TO GFS- BASED RFC MOS PRODUCTS

TIN 04-11: CHANGE TO THE PRODUCT DELIVERY SCHEDULE FOR THE EXTENDED-RANGE GFS MOS GUIDANCE PRODUCTS

TIN 04-09: CHANGES IN GFS MOS GUIDANCE FOR TOTAL SKY COVER, CEILING HEIGHT AND VISIBILITY

TIN 03-49: CHANGES TO ETA MOS GUIDANCE CONTENT AND STATION LIST

TIN 03-48: CHANGE TO ISSUANCE TIME OF ETA MOS GUIDANCE

TIN 03-44: ADDITION/DELETION/UPDATE OF STATIONS IN GFS MOS

TIN 03-43: ENHANCEMENTS TO GFS MOS GUIDANCE INCLUDING ADDITION OF SNOWFALL AMOUNT GUIDANCE

TIN 03-21: ADDITION OF MODEL OUTPUT STATISTICS GUIDANCE FOR WIND

TIN 03-04: REMOVAL OF OBSOLETE EXTENDED-RANGE MOS GUIDANCE ON THE NCEP GLOBAL FORECAST SYSTEM

 

Public Notification Statements

PNS 18-31:Soliciting comments on the termination of the GEFS MOS product (MEN) and GMOS/MOSGuide through December 31, 2018

PNS (July 2008): Soliciting Comments on the proposed replacement of Eta-based MOS products with NAM MOS products

PNS (July 2008): Soliciting Comments on the termination of the NGM and NGM-related products

PNS (June 2005): Soliciting Comments on removal of NGM-based Redbook Graphic Products

PNS (Oct 2004): Soliciting Comments on removal of NGM-based trajectory model

 

Other

Memorandum for the Record (PDF) - NWS Disposition - Approval to replace the Eta MOS with NAM MOS

 

GMOS

Technical Implementation Notices

SCN19-28: Termination of the Gridded Model Output Statistics (GMOS/MOSGuide) on or about November 5, 2019

Service Change Notice 17-64 : Upgrade of 2.5 km Gridded Model Output Statistics Guidance over the CONUS to operational status on or about July 18, 2017.

Amended TIN 15-52 : (Bug Fix) Reintroduction of 450-600 mesonet stations(depending on season) into the Gridded MOS analysis which were dropped in the January upgrade.

TIN 13-49 GMOS New Elements

TIN12-25: Amended Update to GFS-based Model Output Statistics (MOS) Wind Guidance and resulting changes to LAMP wind guidance: Implementation postponed to June 12, 2012

TIN12-55: Addition of WMO Headers to 2.5-km GFS-based Gridded MOS GRIB2 Products on NWS FTP Server

TIN12-12: Replacement of experimental 2.5-km Gridded MOS PoP/QPF with HRMOS PoP/QPF

Amended TIN 12- 09 2.5km Gridded GFS-based MOS

Amended TIN 10- 27 Hawaii GMOS

TIN 10-04 GMOS Conus / Alaska

TIN 08-69: ADDITION OF NEW ELEMENTS TO GFS-BASED GRIDDED MOS GUIDANCE FOR ALASKA

TIN 07-82  GMOS Alaska

Amended TIN 06- 87  GMOS New Elements postponed

Amended TIN 05- 56  GMOS implementation

 

Public Notification Statements

PNS 17-19 Soliciting comments on proposed upgrade to 2.5 km GMOS 

PNS - 2.5 km GMOS 

PNS - 2.5 km GMOS and HRMOS QPF 

 

Other

Data Review Group - NWS Request for Change (RC) (PDF)  approved Initial implementation of Hawaii, scheduled for November 9, 2010

Data Review Group - NWS Request for Change (RC) (PDF) approved, Initial Alaska implementation, scheduled for February 26, 2008

Data Review Group - NWS Request for Change (RC) (PDF) approved, Second implementation, postponed from March 13, 2007

Data Review Group - NWS Request for Change (RC) (PDF) approved, Initial implementation, scheduled for August 15, 2006

 

EKDMOS

Service Change Notices

SCN18-76:Changes to Ensemble Kernel Density Model Output Statistics (EKDMOS) effective September 19, 2018

SCN18-53 Updated: Changes to Ensemble Kernel Density MOS (EKDMOS) effective July 18, 2018

SCN18-53: Changes to Ensemble Kernel Density MOS (EKDMOS) effective June 19, 2018

SCN18-08: Termination of Ensemble Kernel Density MOS (EKDMOS) dissemination over the SBN effective April 12, 2018

 

Technical Implementation Notices

TIN 16-32: Amended TIN16-32 Amended: Updates to Ensemble Kernel Density MOS (EKDMOS) effective November 3, 2016

Amended TIN 15-51Changes to Ensemble Kernel Density MOS (EKDMOS) effective January 6, 2016

TIN 15-51Changes to Ensemble Kernel Density MOS (EKDMOS) effective December 15, 2015

TIN 15-12 EKDMOS v1.0.0 Transmission Over SBN

TIN 12-28 EKDMOS v1.0.0 Implementation

 

Public Notification Statements

PNS  Soliciting Comments for EKDMOS v1.0.0

 

For a complete listing of SCN, TIN, PNS, and other change notifications from NWS, please see:
https://www.weather.gov/notification/or https://www.weather.gov/notification/archive (for older notices)

MOS