IMS is a specialized software environment that provides data overlays from multiple sources to analysts for production of quality-controlled daily snow and ice maps over the Northern Hemisphere used by the numerical modeling community. IMS analysis has been produced since 1997 and operational at the USNIC since 2008. Since 2006, the National Snow and Ice Data Center’s (NSIDC) Multisensor Analyzed Sea Ice Extent (MASIE), in cooperation with the USNIC, uses the most recent full day of 4km data from the IMS to determine the amount of sea ice present. Analysts at the USNIC use a 3-day mean of this data to create a graph showing the trends in sea ice extent. A longer climatology of sea ice cover can be created with a more coarse resolution of 24km. The 24km gridded data encompasses a 20 year time period (February 1997 - present). Until sufficient 1km and 4km temporal coverage is created, the 24km coverage can serve as a proxy for climatological purposes. Yearly variation of Arctic sea ice can be seen by comparing a various combination of Arctic ice extent images and trends since 1997.