Latest status at CMA S 2 S Database

Latest status at CMA S 2 S Database Contributed by Mr. Xing Hu and his work group in CMA

CMA S 2 S Archiving Data are online and provided for user downloaded since November 16, 2015. http: //s 2 s. cma. cn

CMA S 2 S data storage • Up to September 23, 2017, CMA has archived about 55 TB of the S 2 S data. • The original forecast data from each S 2 S data provider are directly sent to ECMWF, and then sent to CMA S 2 S archive center to archive using both the MARS system and an online disk storage system. • All the CMA archiving data almost keep synchronization of the S 2 S database with the ECMWF’s data portal (http: //apps. ecmwf. int/datasets/data/s 2 s/). CMA and ECMWF S 2 S Archiving Data listed Centers Bo. M(ammc) CMA(babj) ECCC(cwao) ECMWF(ecmf) ISAC-CNR(isac) HMCR(rums) JMA(rjtd) KMA(rksl) CNRM(lfpw) Météo France NCEP(kwbc) UKMO(egrr) Realtime Hindcast CMA ECMWF 2015/04/19 -2017/09/21 2015/1/1 -2017/09/03 2015/1/1 -2017/09/14 2015/1/1 -2017/09/05 2016/7/7 -2017/9/21 2015/1/7 -2017/08/31 CMA 1981 -2013 1994 -2014 1995 -2014 ECMWF 1981 -2013 1994 -2014 1995 -2014 2015/1/28 -2017/9/21 2015/1/1 -2017/09/04 2015/11/23 -2017/9/21 2015/11/9 -2017/08/31 2015/1/7 -2016/9/28 2015/1/7 -2017/08/17 2015/6/9 -2017/9/20 2015/1/6 -2017/08/30 2016/8/29 -2017/8/27 2016/11/1 -2017/08/07 1997 -2016 1981 -2010 Missing 1981 -2010 1997 -2016 1981 -2010 1985 -2010 1981 -2010 1991 -2010 2015/4/30 -2017/9/21 2015/5/1 -2017/08/31 1993 -2014 2015/2/1 -2017/9/21 2015/4/17 -2017/9/22 2015/1/1 -2017/09/04 2015/12/1 -2017/09/05 1999 -2010 1993 -2015

CMA S 2 S data service up to Sept. 24, 2017 239 users registered Visit increased 350000 303285 300000 250000 200000 135710 150000 100000 50000 32111 0 2016. 1. 20 2017. 5. 18 2017. 9. 24 Data downloaded by useres Top five centers year amount of data 2015 0. 3 TB 2016 3. 2 TB top five parameters 2017(by now) 1. 9 TB t, 2 t, tp, mx 2 t 6, mn 2 t 6 ECMWF, JMA, NCEP, CMA, UKMO

Next Work Ø Data accessed by HTTP at present, and will provide OPe. NDAP at the end of 2017. ØTo provide data visualization and analysis online at early of 2018, including t, 2 t, mx 2 t 6, mn 2 t 6, tp, sp, msl, gh, wind at the first stage. The analyses may be set according to user requires at the second stage. ØAll the data archives on hard disks and will also stored on tapes.