Current Status of Implementation of MTN at RTH Toulouse September 2008

Plan GTS links Upgrade plan Transmet (MSS) concentration dissemination Dissemination links Transmet RETIM2000 WMO recommendations WMO Monitoring Jacques Anquetil Météo France Amss

GTS links Link to Circuit type Speed Protocol Jacques Anquetil Offenbach RMDCN 3Mb/s Shared WMO FTP Exeter Rome Madrid Brussels Lisbon Sofia Prague FTP pull mode ECMWF FTP data dissemination Dakar Leased line (ASECNA) 19,6Kb/s X25 Algiers Leased line 64Kb/s Tunis Casablanca 128Kb/s Niamey Jacques Anquetil Météo France Amss

Upgrade plan RMDCN DAKAR We will upgrade RMDCN Link according to our needs DAKAR X25 Migration To IP through ASECNA VSAT (64Kb/s) WMO FTP Set up a backup link through Internet Jacques Anquetil Météo France Amss

Transmet CONCENTRATION DISSEMINATION Concentration and data dissemination ( For GTS and National issues) 60000 headers 200 links for dissemination Alpha : per day Reception : 200.000 bulletins; Volume 600 Mb. Dissemination : 2.000.000 bulletins Volume 4 Gb. Graphic : per day Reception : 50000 bulletins; Volume 12 Gb. Dissemination : 370.000 bulletins Volume 90 Gb Jacques Anquetil Météo France Amss

Transmet Dissemination links Email ( compatibility with WMO recommendations):per day Email in management : 1200 distinct address Number of email sent by day : 4000 emails Fax :per day Fax on in calling: 900 Number of Fax Number of Fax sent by day: 300 Fax Number of dissemination links for Alpha and Graphic : 100 Alpha links and 100 Graphic links GTS, AFTN, overseas services, regional services, Military, Retim2000… Jacques Anquetil Météo France Amss

Satellite Dissemination RETIM2000 RETIM Europe 1,5Mb/s Retim Africa 256Kb/s Number of RETIM2000 receivers held: 700 receivers Dissemination program available on “C2“ volume Jacques Anquetil Météo France Amss

WMO and AMSS recommendations Alpha bulletins files with .a .b > 15K All bulletins “Alpha” .a and .b >15K are disseminated with .f or .b Other no limits We do not make segmentation on alphanumeric and binary bulletins Segmented bulletins are switched without processing Our message switch system is compatible ISO 8859-1 for Alpha bulletins We have integrated the WMO file name convention With PFlag T A W Z in imput With Pflag T A W in Output Jacques Anquetil Météo France Amss

Monitoring For the monitoring we used METDATA The annual Global Monitoring (AGM) The Integrated WWW Monitoring (IWM) Collect information from Madrid, Lisbon, Rome, Brussels Special MTN Monitoring (SMM) IWM Raw data Pre_analysis (AIREP, AMDAR) The special Antarctic Monitoring (SAM) Problem to provide Raw data and Pre_analysis with METDATA Jacques Anquetil Météo France Amss