New sea ice concentration ICDR replacing old one


As announced in May, the OSI SAF team has released a new interim climate data record for sea ice concentration, OSI-430-b. OSI-430-b is an automatic extension of OSI-450 (1979-2015) from 2016 onwards, and with a latency of 16 days. OSI-430-b has been available since mid May, with operational status since 18th June. OSI-430-b is available on FTP and soon through EUMETCast. More information about OSI-430-b is available at

ATTENTION: users of OSI-430, the previous version of this ICDR, should take note that distribution of OSI-430 will be stopped at 31st January 2020. Please contact us at if we can help migrating to the new product OSI-430-b.