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IMS Products (Version 3)



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IMS Ice Extent Charts
(Explanation of Graphs)
IMS Ice Extent Data. IMS Ice Extent for sea ice only.
2018 Sea Ice 2019 Sea Ice
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New to IMS Version 3
NIC IMS GRIB 2 Data
NIC IMS GEOTIFF Data

More Information:
Interactive Multisensor Snow and Ice Mapping System (IMS)
About the NIC Snow and Ice Program

Past Years:
GIF Data Archive
ASCII Data Archive (NIC)
ASCII and Geotiff Data Archive **
  
Outside Snow and Ice Links
United States NWS/Coop Snow Monitoring
Northern Hemisphere Automated Snow and Ice Mapping
Southern Hemisphere Automated  Snow and Ice Mapping
NOHRSC Satellite Products
NCEP MMAB Sea Ice
CPC Northern Hemisphere Snow Cover based on IMS
Rutgers University Global Snow Lab **
GSFC MODIS Snow and Ice Images
The National Snow and Ice Data Center (NSIDC) **
Multisensor Analyzed Sea Ice Extent (NSIDC) **
The NRCS NWCC Snotel Maps
State of the Canadian Cryosphere **
NOAA's Arctic Theme Page
Polar View **
Community Collaborative Rain, Hail, & Snow Network (CoCoRaHS) **
ESA Globsnow **
  ** Indicates a link outside the U.S. Government.
Publications:
"The Interactive Multisensor Snow and Ice Mapping System" by Bruce H. Ramsay (Adobe PDF 1.2MB)

"Prospects for the Interactive Multisensor Snow and Ice Mapping System (IMS)" by Bruce H. Ramsay (Adobe PDF 565KB)

"Enhancements to, and forthcoming developments in the Interactive Multisensor Snow and Ice Mapping System (IMS)" by Sean R. Helfrich (Adobe PDF 805KB)