The average Arctic sea ice extent for April 2024 was 14.12 million square kilometers (5.45 million square miles), placing it ...
The SMAP Level 4 data sets, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), were reprocessed from 1 Nov 2023 through the present aft ...
The number of snow cover days averaged over the western United States from October 1 to March 31 remained below the twenty-fifth percentile because of the late start to the snow season (Figure 2, ...