Storm clouds persist

This site will look familiar to anyone who attended KSTP-TV’s Jonathan Yuhas’ storm presentation during Tracy’s recent commemoration of the 50th anniversary of the Tracy Tornado. Yuhas showed an image very similar to this one to illustrate the mechanics of a severe storm. This image was captured at 5:25 p.m. on Sunday a few miles west of the Tracy Area High School building.

By Per Peterson

A slow-moving storm that produced more rain and a confirmed tornado west of Marshall crawled through southwest Minnesota on Sunday evening.
Multiple severe weather alerts were issued — from severe thunderstorm and tornado warnings, to flash flood warnings since most of the ground in the region was already well saturated heading into the weekend. Spotters from Tracy and Balaton were called out at 5:08 p.m. and 5:20 p.m. on Sunday.
Heavy rain fell throughout Lyon County, as well as Murray County, which last week was placed under an emergency warning. Numerous low-lying roads in northern Murray County were under water by late Sunday.
Multiple storm cells erupted from eastern South Dakota, through southwest Minnesota over a three-hour span Sunday. In the Arco area, where the twister touched down, a tornado warning went into effect at 3:44 p.m. Another tornado warning was issued for northern Murray County, with the concentration of heaviest rains focused on the Slayton, Currie and Lake Shetek areas, as well as Garvin.
Areas of northern Murray County received anywhere from 2” of rain just south of Garvin, to 3” in Slayton and Lake Shetek. Balaton received 1.5 inches. Tracy received .24” Sunday and .35” Monday.