Data Mgt Message
Issued by NWS

000
NOXX10 KWBC 161457
DM04-24.04

NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DCxxxx PM EDT WED
APRIL 17 2024TO: GTS USERS...FAMILY OF SERVICES /FOS/ SUBSCRIBERS...
NOAA WEATHER WIRE SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY MANAGERS
WEATHER INFORMATION NETWORK /EMWIN/ SUBSCRIBERS... NOAAPORT
SUBSCRIBERS...OTHER NATIONAL WEATHER SERVICE /NWS/ PARTNERS AND
OTHER USERS...NWS EMPLOYEESFROM: RTH WASHINGTON DATA
MANAGEMENT SUBJECT: NATIONAL DATA BUOY CENTER /NDBC/ DISTRIBUTION OF
ADDITIONAL OPERATIONAL TROPICAL ATMOSPHERE OCEAN /TAO/ RECAP BUOY
DATA
UNDER IOBF08 KWNB AND IOBG08 KWNB EFFECTIVE JUNE - AUGUST 2024 THIS
MESSAGE PROVIDES NOTICE THAT THE NWS NATIONAL DATA BUOY CENTER/NDBC/
WILL START DISSEMINATING ADDITIONAL OPERATIONAL TAO RECAP BUOY DATA
UNDER THE /WMO/ HEADINGS/COLLECTIVE OF IOBF08 KWNB AND IOBG08 KWNB.
EFFECTIVE ON OR ABOUT THE DATES SHOWN BELOW THE FOLLOWING OPERATIONAL
TAO RECAP BUOYS ARE REPLACING THE LEGACY TAO REFRESH BUOYS:* 8N 165E
-
WMO 52006 - DEPLOYMENT DATE JUNE 30, 2024* 2N 180W - WMO 52310 -
DEPLOYMENT DATE JULY 21, 2024* 2S 180W - WMO 52312 - DEPLOYMENT DATE
JULY 24, 2024* 2S 170W - WMO 51306 - DEPLOYMENT DATE JULY 30, 2024*
2N 170W - WMO 51305 - DEPLOYMENT DATE AUGUST 4, 2024THE MAJOR
DIFFERENCE WITH THE TAO RECAP BUOYS ARE THE FREQUENCY OF THE REPORTS.
THE TOP SIDE (MET DATA) WILL BE TRANSMITTED EVERY 10 MINUTES, WHILE
THE BOTTOM SIDE (OCEANOGRAPHIC DATA) WILL BE TRANSMITTED HOURLY.
HOWEVER, THE HOURLY TRANSMISSION WILL INCLUDE ALL THE 10 MINUTE
OBSERVATION DATA.STARTING WITH THE JUNE DEPLOYMENTS NDBC WILL ADD
THREE ADDITIONAL SEQUENCE NUMBERS TO THE END OF THE EXISTING BOTTOM
SIDE TEMPLATE. THE ADDITIONAL SEQUENCE NUMBERS WILL PROVIDE THE DATA
FROM THE POINT SOURCE CURRENT METER (PSCM), THE BUFR SEQUENCE NUMBERS
WILL BE 101000, 031000, 306005. PLEASE ENSURE THAT YOUR DECODERS CAN
HANDLE THESE ADDITIONAL SEQUENCE NUMBERS FOR THE PSCM DATA.IN
 ADDITION,
STARTING WITH THE TAO RECAP BUOYS NDBC WILL BE PHASING OUT THE TAC
DISTRIBUTION OF TAO DATA. THEREFORE, DATA FROM THESE BUOYS WILL ONLY
TRANSMIT DATA USING BUFR FORMAT AND IT WILL NO LONGER BE TRANSMITTED
UNDER THE TAC HEADER SSVX08 KWNB ON OR ABOUT THE EFFECTIVE DATE.THE
TAO
RECAP BUOYS ESSENTIALLY TRANSMIT THE SAME DATA TYPES AS THE CURRENT
TAO
REFRESH SYSTEM THAT IT IS REPLACING. STATION 5N 125W - WMO 51015 IS
CURRENTLY TRANSMITTING OVER THE GTS AS A RECAP STATION IN BUFR.THE
PRIMARY PURPOSE OF THIS NOTICE IS TO (1) MAKE USERS AWARE OF THE
INCREASED REPORTING FREQUENCY OF THESE STATIONS, (2) THAT DATA FOR
THESE STATIONS ARE GOING TO NO LONGER BE DISTRIBUTED ON THE TAC
HEADER AND (3) ADDITIONAL BUFR SEQUENCE NUMBERS HAVE BEEN ADDED TO
THE BOTTOM SIDE MESSAGE FORMAT. PLEASE ENSURE THAT YOU ARE PROCESSING
THE BUFR TAO DATA (2 MESSAGES ONE FOR MET/TOP SIDE AND ONE FOR
SUBSURFACE DATA/BOTTOM SIDE) PRIOR TO THESE PLANNED DEPLOYMENTS.NOTE,
ADDITIONAL TAO RECAP BUOYS WILL BE DEPLOYED THROUGH FY2028. IF YOU
HAVE ANY QUESTIONS ABOUT THESE CHANGES...PLEASE CONTACT: JAMES
ELLIOTT NATIONAL DATA BUOY CENTER STENNIS SPACE CENTER MISSISSIPPI
39529 PHONE: 601-568-2984 E-MAIL: JAMES.ELLIOTT@NOAA.GOVTHIS AND
OTHER NWS TECHNICAL IMPLEMENTATION NOTICES ARE AVAILABLEONLINE AT
/USE LOWER CASE LETTERS/: HTTP://WWW.NWS.NOAA.GOV/OM/NOTIF.HTM

For NOAAPORT and NON-AWIPS Customers - if you have any
questions regarding distribution or would like to add these
products to your datastream please contact IDP Dataflow Team
at ncep.pmb.dm@noaa.gov.

This information is also posted on the NWS IDP DataFlow
change notices web page. The url is listed below.

https://www.weather.gov/datamgmt/notices
IDP DataFlow
NCO Implementation & Data Services Branch
College Park
GISC Washington Sends