| OPERATIONAL NEWSLETTER |
| ON THE WORLD WEATHER WATCH |
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| News Updates - 2017 |
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| Termination of TAC TEMP and TAC CLIMAT from ENMI (Norway) |
| Notification from MET Norway |
Effective 8 January 2018 MET Norway will stop distributing TAC
TEMP data (U(S|K|L|E)NOii ENMI). After that only BUFR TEMP will be
distributed. Stations: 01001, 01004, 01010, 01028, 01241, 01400, 01415 and 01492.
Effective 2018 MET Norway will stop distributing TAC CLIMAT
data. The last TAC CLIMAT issued will be for December 2017.
TAC CLIMATs stopped: CSAA01 ENMI and CSNO11 ENMI. These correspond to BUFR CLIMATs ISCL01 ENMI and ISCD11 ENMI, respectively.
New lists IUKD18 ENMI and IUSD18 ENMI: From 7 November 2017 BUFR TEMP will be distributed on the GTS from a new radiosonde station set up in collaboration with Vaisala for prototype testing
until April 2018, after which the station will be dismounted. Ordinarily, BUFR TEMP (but no TAC TEMP) will be issued two times per
day (00 and 12 UTC) in lists IU(K|S)D18 ENMI. Since the position of the new station is very close to the radar station Stad (registered in
OSCAR Surface as 0-20000-0-01206), they will use the WMO station number 01206 to identify the radiosonde station in the BUFR message.
Station 01193 Narvik should be removed from S(M|I|N)NO49 ENMI and IS(M|I|N)D39 ENMI, as this station has been shut down. |
| Published: 03 November 2017 |
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| Manual on Codes (WMO-No. 306) |
| Adoption of amendments to the Manual on Codes (WMO No. 306) by the fast-track procedure |
In accordance with the Procedures for Amending WMO Manuals and Guides (Res. 21 (Cg-17)), the Secretariat sent on 18 August 2017 the amendments to the Manual on Codes, Volume I.2 (WMO-No. 306) to the focal points for codes and data presentation matters for comments.
No objections were received from the focal points to the amendments.
The President of WMO has adopted the amendments on behalf of Executive Council in accordance with the Procedures.
The date of implementation is 8 November 2017. The amendments are available in English, French, Russian and Spanish. |
| Published: 31 October 2017 |
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| FMI will end TEMP and AERO message production and distribution |
| Notification from the Finnish Meteorological Institute (FMI) |
Effective 1 November 2017 onwards, FMI will end the TEMP and AERO message production. After this date they will produce and distribute PTU-soundings in BUFR message form only.
Stations 02963 Jokioinen (4 soundings per day) and 02836 Sodankyla (2 soundings per day).
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| Published: 26 October 2017 |
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| Cease TAC-SYNOP data |
| Notification from RTH Vienna |
| Effective 4 December 2017 RTH Vienna will stop providing TAC-SYNOP data. From that day on only BUFR-SYNOP will be made available. |
| Published: 18 October 2017 |
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| Cease GRIB edition-1 low resolution products |
Notification from the European Centre for Medium-Range Weather Forecasts (ECMWF)
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Effective 1 December 2017, ECMWF will stop the production and transmission of GRIB edition-1 products at 2.5x2.5 degrees.
Detailed information about these products, including the TTAAii headers, can be found at:
https://www.ecmwf.int/en/forecasts/datasets/public-wmo-acmad/gts-headers-global-distribution
These deprecated products have been replaced with higher resolution products in GRIB edition-2, which have been available on the WIS (including GTS) for many years. For further details see:
https://www.ecmwf.int/en/forecasts/datasets/public-wmo-and-acmad-datasets
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| Published: 12 October 2017 |
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| Volume D - Information for Shipping |
Chapter 1 - Part A - Transmission Schedule for SafetyNet Services
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| Published: 9 September 2017 |
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Chapter 4 - Part A - METAREA Coordinator Contacts for WMO Worldwide Met-Ocean Information and Warning Service
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- The transfer of forecast and broadcast responsibility for METAREA XVI from United States of America to Peru took place on 30 June 2017 at 1715 UTC. Peru had official responsibility beginning 1800 UTC 30 June 2017.
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| Published: 11 July 2017 |
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| WMO No.9, Volume C1 - Catalogue of Meteorological Bulletins |
| Data designator CCCC for use in the abbreviated headings of meteorological messages |
Effective immediately replace the location name for VBRR Yangon to Nay Pyi Taw as follows:
Location indicator (CCCC): VBRR
Location Name: Nay Pyi Taw
Country Name: Myanmar
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| Published: 28 June 2017 |
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| Manual on Codes (WMO-No. 306) |
| Adoption of amendments to the Manual on Codes (WMO No. 306) between CBS sessions |
In accordance with the Procedures for Maintaining Manuals and Guides (Res. 21 (Cg-17)), and as approved by the president of CBS, the WMO letter No. 02952/2017/OBS/WIS/DRMM/DRC (En, Fr, Ru, Sp, Ar) dated 24 February 2017, including draft amendments to the Manual on Codes, was circulated to all WMO Members for comments.
The Secretariat has received no disagreements on the draft in the letter. The amendments are therefore approved in accordance with the Procedures.
The president of CBS has agreed to notify all WMO Members and EC members of the adoption through the WWW Operational Newsletter in accordance with the Procedures.
The implementation date of amendments is 8 November 2017.
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| Published: 4 May 2017 |
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| Manual on Codes (WMO-No. 306) |
| Adoption of amendments by the fast-track procedure |
In accordance with the Procedures for Amending WMO Manuals and Guides (Res. 21 (Cg-17)), the Secretariat sent on 26 January 2017 the amendments to the Manual on Codes (WMO-No. 306) to the focal points for codes and data presentation matters for comments.
No objections were received from the focal points to the amendments.
The President of WMO has adopted the amendments on behalf of the Executive Council in accordance with the Procedures.
The date of implementation is 3 May 2017. The amendments are available at:
http://www.wmo.int/pages/prog/www/WMOCodes/WMO306_vI2/VolumeI.2.html
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| Published: 28 April 2017 |
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| Volume D - Information for Shipping |
Chapter 1 - SafetyNet Services - GMDSS
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| Published: 12 April 2017 |
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Chapter 4 - Part B - Focal Point Contact Information for Port Meteorological Offices
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Amendments (in country alphabetical order): |
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==>> For additional information
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| Published: 12 April 2017 |
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| Manual on Codes (WMO-No. 306), Volume II - Regional Codes and National Coding Practices |
| Notification from the Netherlands |
Amendments to the section D, National coding procedures with regard to international code forms;
FM15 METAR/FM16 SPECI and FM51 TAF.rev
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| Published: 26 January 2017 (28 February 2017 revision) |
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