A strong system was well south in the southern Mississippi River region the morning of Thursday February 7th. Over the Upper Midwest, there was an elongated, inverted trough that focused the precipitation across the Upper Midwest during the morning, and afternoon of Thursday February 7th. Once this system moved rapidly northeast over the Great Lakes region, and pressure rises occurred across the Upper Midwest, strong gusty winds developed and caused blizzard conditions in parts of Minnesota.
The initial bands of precipitation developed over southern Minnesota during the predawn hours with a mixture of sleet, freezing rain and snow. There was already a coating of ice from a long duration of freezing drizzle the night before. The mixture of sleet, freezing rain, and snow quickly changed over to all snow after sunrise.
Snowfall intensified in the morning, with amounts of 4 to 6 inches already reported in portions of central and east central Minnesota before noon. The snowfall continued through the afternoon, and tapered off in the evening. The heaviest snowfall occurred between 7 AM CST, to 2 PM CST.
As winds began to increase during the afternoon, visibility dropped significantly in western Minnesota. By the mid to late afternoon, several roads closed as blowing snow kept snowplows off the road. In addition, the governor of Minnesota activated the National Guard for blizzard assistance in Renville County due to white-out conditions and stranded motorists.
Between 330 PM and 930 PM Thursday, February, 7th, the Minnesota State Patrol reported 149 crashes, 294 spin-outs and 19 jack knifed trucks in portions of west central, and northwest Minnesota.