Let us revisit just how “severe” this winter has been. Using the Accumulated Winter Season Severity Index (AWSSI), which accumulates AWSSI points for highs, lows, snowfall, and snow depth each day (more “wintry” = more points), we can see the severity ranges across the region! pic.twitter.com/9Rpw8PXGDH

— NWS Sioux Falls (@NWSSiouxFalls) March 17, 2023