Welcome to the NERSC Arctic Sea Ice Observation System.

NERSC has processed daily passive microwave remote sensing data from the Arctic since they first became available in 1978 using the NERSC developed NORSEX algorithm.

We have published a new paper. Find it here

Daily Ice Map from SSMI, NERSC

Seasonal Ice Extent in mill. sq. km.

Seasonal Ice Area in mill. sq. km.

Data Attribution: The data provided on this website is sourced from the Nansen Environmental and Remote Sensing Center (NERSC) Arctic Sea Ice Observing System (https://iceobs.nersc.no), using the NERSC developed NORSEX Sea Ice algorithm. It uses DMSP SMM/I Brightness temperatures (https://nsidc.org/). It is updated daily and intended for informational purposes only. If you use or reference this data, please attribute it to "NERSC Arctic Sea Ice Observing System" and include a link back to this website  (https://iceobs.nersc.no). NERSC makes no warranties regarding the accuracy or completeness of the data.‚Äč