TIGGE Archive Highlights

First Service Date ECMWF – October 2006 NCAR – October 2006 CMA – June 2007

Table 1: Summary of TIGGE archive activities at ECMWF (EC), NCAR, and CMA. Register users are all persons who agreed to usage conditions (education and research), active users are users with access patterns that indicate probable research activities, data processed is the data volume processed to create user subsets, and data delivered data volume delivered to the users = 10/ /06, TIGGE Archives began in October = 01/01/08 to 09/30/08 NCAR 3 = Users that have download some data. Total registrations = 142 EC 4 = Users that have download some data EC 5 = Users that have download some data three or more times CMA 6 = At CMA 40 Terabytes (TB) were processed to provide 10 TB for research at CMA GB/day were also provided for the Beijing Olympic Games

User Activities at ECMWF

Access Milestones NCAR – 12/2006, add forecast file selection portal (single forecast init). – 05/2007, add multiple forecast init. selection to forecast file portal. – 08/2007, add user driven parameter field subsetting portal (single forecast init). – 05/2008, add user driven grid interpolation and spatial subsetting to the parameter field subsetting portal (single forecast init). – 05/2008, add direct forecast file download option through the NCAR Research Data Archive (RDA). – 07/2008, add multiple forecast init selection option to the subsetting portal – 07,2008, archive Tropical Cyclone (TC) track data (CXML format) in the RDA with direct file download option for users. CMA – 06/2007, test CMA TIGGE Portal – 07/2007, Portal online – 08/2008, start ftp service to download CMA Tropical Cyclone (TC) track data (CXML format)

Access Milestones ECMWF – 10/2006, direct access to any field available to MARS users – 05/2007, direct access to any TIGGE field using a Data Portal – 07/2008, start service to download ECMWF Tropical Cyclone (TC) track data (CXML format)

Distinguishing features CMA – 10-day archive available for access online – Provide about 10TB offline data which was interpolated and spatial subsetted by NCAR NCL to THOPEX scientists in China – TIGGE data for the meteorological service of Beijing Olympic Games ECMWF – Full period of record available for access online (through MARS) – Grid interpolation and spatial subsetting available NCAR – 16-day archive available for access online. – Full period of record available to NCAR users, or by offline request. – Output option in NetCDF format. – TC archive, all centers and full period of record, available online.