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Heavy Snow

Duluth, MN

April 3 to 4, 2007

This storm was the third and last in a series of big storms for the second half of Winter 2006-2007. Snow started to fall just before 3 AM CST on the 3rd and ended around 3:30 AM CST on the 4th. Three periods of heavy snow fell during the April 3rd day of the storm: the first from 5 AM to 9 AM, the second from 1 PM to 4 PM, and the third from 5:15 PM to 6:30 PM. After the third period of heavy snow, light snow showers continued beyond midnight, ending around sunrise the following morning.

Snow totals:
NWS Duluth, MN 12.2 inches
Personal measurement 11.7 inches

The following two images give an idea of the storm's organization once the snow was well underway.

Surface map - 9 AM CST April 3, 2007
Weather Prediction Center Surface Analysis Archive

Radar mosaic - 12 noon CST April 3, 2007
National Centers for Environmental Information