NOAA@NSIDC is pleased to announce the upcoming release of Sea Ice Index, Version 4, available at the National Snow and Ice Data Center on August 1. This new version transitions from SSMIS to AMSR2 ...

A prolonged period of extensive ice sheet melting from roughly July 7 to July 20 tipped the 2025 melt season to above the ...

The data provided in this data set are simulated using the Noah-Multiparameterization Land Surface Model (Noah-MP LSM) Version 3.6 within the NASA Land Information System (LIS) Version 7.2. The data ...