Operational Newsletter April 2004

WORLD WEATHER WATCH
Operational Newsletter

May 2004

MEETINGS		EDITORIAL
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		GLOBAL OBSERVING SYSTEM
Acknowledgements The WMO Secretariat would like to express its appreciation to all those who have contributed material to the "Operational Newsletter".		PUBLICATIONS NO. 9: VOLUME A - "OBSERVING STATIONS"
		Updates to Volume A FEEDBACK for Observing network: Explanatory Note Feedback Form
		Catalogue of radiosondes and upper-air wind systems in use by Members
		Notification from Egypt: (see Metno 2004) Effective 01 May - 30 September 2004, stations 62306, 62378, 62414 will implement a program of radiosonde observations only at 1200 UTC. Stations 62337, 62403 and 62423 will implement a program of radiosonde observations only at 0000 UTC.
		AUTOMATIC MARINE STATION
		National Programmes: Australia Canada (the current report is unavailable) France New Zealand United Kingdom (the current report is unavailable) United States of America European Group on Ocean Stations ARGOS monthly status report (due to technical difficulties the current report is unavailable)
		GLOBAL TELECOMMUNICATION SYSTEM
		VOLUME C1 - CATALOGUE OF METEOROLOGICAL BULLETINS
		Designation of new focal points for: RTH Melbourne: Mr. Kelvin Wong RTH Jeddah: Eng.Mohammed Ibrahim Al-Shareef RTH New Delhi: Mr. A. K. Bhatnagar Functions and Responsibilities of the Meteorological Telecommunication Centres: see pages A.I-2, Section 2 The following changes have been received from: RTH Toulouse: LF01524O.txt (see METNO MC2304.txt) RTH Melbourne: AM01527O.txt (see METNO MC2304.txt)
		Announcement of changes in transmission of TEMP, CLIMAT-TEMP and SYNOP SHIP from Kalaallit Nunaat, Greenland
		Notification from the Danish Meteorological Institute (DMI) (see METNO MC2304.txt) At present the Danish Meteorological Institue distributes bulletins containing TEMP, CLIMAT-TEMP and SYNOP SHIP from Kangerlussuaq (BGSF) Kalaallit Nunaat, Greenland. Bulletins are distributed according to WMO Publication No. 9, Volume C1, and transmission takes place on an AFTN circuit to IMO, Reykjavik, Iceland, where bulletins are put on GTS. At DMI the bulletins are received on the RMDCN-line from RTH Exeter, England. As part of a rearrangement of the distribution of the bulletins, DMI will as of 1 September 2004 send the bulletins directly from Greenland to DMI Copenhagen, where the bulletins will be put on the RMDCN-line to RTH Norrköping, Sweden for further distribution on GTS. The CCCC in the bulletin heading will with the rearrangement change from BGSF to EKMI. The planned changes affects the following bulletins: UPPER AIR TEMP TTAAii CCCC IIiii ======================= US/UK/UL/UEGL04 BGSF 04320 US/UK/UL/UEGL05 BGSF 04339 US/UK/UL/UEGL06 BGSF 04360 US/UK/UL/UEGL07 BGSF 04220 US/UK/UL/UEGL08 BGSF 04270 CLIMAT TEMP CUGL01 BGSF 04220, 04270 CUGL02 BGSF 04320, 04339, 04360 SYNOP SHIP SMVD01 BGSF SHIP SIVD21 BGSF SHIP
		ECMWF PRODUCTS INITIATED AT 00 UTC ON THE GTS
		Since 9 March 2004 ECMWF has been providing analysis and forecast products on the GTS based on 00 UTC data time. The product set for this second forecast run initiated at 00UTC is equivalent to the product set disseminated from the 12UTC run. Further information and details of the bulletin headers of all ECMWF products disseminated on the GTS can be found at: http://www.ecmwf.int/products/additional/
		DATA MANAGEMENT
		MONITORING EXERCISES
		The global analysis made by the Secretariat of the special MTN monitoring exercise carried out in April 2004 is now available.

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