NOUS41 KWBC 211805



Service Change Notice 17-19

National Weather Service Headquarters Silver Spring, MD

205 PM EDT Tue Feb 21 2017


To:       Subscribers:

          -NOAA Weather Wire Service

          -Emergency Managers Weather Information Network


          Other NWS Partners, Users and Employees


From:     Allison Allen

          Chief, Marine, Tropical, and Tsunami Services Branch


Subject:  Changes to the Mass News Disseminator Header Block for

          mixed-case tropical products effective on or around

          May 15, 2017


Effective on or about May 15, 2017, the Mass News Disseminator

(MND) header block will be transitioned to mixed case for all

mixed-case tropical cyclone products issued by the National

Hurricane Center (NHC) and the Central Pacific Hurricane 

Center (CPHC).


Current MND header block in CAPS:




800 PM EDT THU JUN 1 2017


New MND header block in mixed case:


Tropical Weather Outlook

NWS National Hurricane Center Miami FL

800 PM EDT Thu Jun 1 2017


The following text products will be affected:


Product Name                       WMO Header          AWIPS ID

------------                       ----------          --------

Tropical Weather Outlook           ABNT20 KNHC         TWOAT


Tropical Weather Outlook           ABPZ20 KNHC         TWOEP

(Eastern Pacific)

Tropical Weather Outlook           ACPN50 PHFO         TWOCP

(Central Pacific)


Tropical Cyclone Discussion        WTNT41-45 KNHC      TCDAT1-5


Tropical Cyclone Discussion        WTPZ41-45 KNHC      TCDEP1-5

(Eastern Pacific)

Tropical Cyclone Discussion        WTPA41-45 PHFO      TCDCP1-5

(Central Pacific)


Tropical Cyclone Public            WTNT31-35 KNHC      TCPAT1-5

Advisory (Atlantic)

Tropical Cyclone Public            WTPZ31-35 KNHC      TCPEP1-5

Advisory (Eastern Pacific)

Tropical Cyclone Public            WTPA31-35 PHFO      TCPCP1-5

Advisory (Central Pacific)


Tropical Cyclone Update            WTNT61-65 KNHC      TCUAT1-5


Tropical Cyclone Update            WTPZ61-65 KNHC      TCUEP1-5

(Eastern Pacific)

Tropical Cyclone Update            WTPA61-65 PHFO      TCUCP1-5

(Central Pacific)


Tropical Weather Summary           ABNT30 KNHC         TWSAT


Tropical Weather Summary           ABPZ30 KNHC         TWSEP

(Eastern Pacific)

Tropical Weather Summary           ACPN60 PHFO         TWSCP

(Central Pacific)


If you have questions or comments, please contact:


Jessica Schauer

NWS Marine, Tropical and Tsunami Services Branch

Miami, FL  33165

Telephone: 305-229-4476



John Kuhn

Meteorologist, Marine, Tropical, and Tsunami Services Branch

NWS Headquarters

Silver Spring, MD  20910

Telephone: 301-427-9364



NWS Public Information Statements are online at: