Updraft® - Minnesota Weather News

Heat, hail, tornadoes, mega rains: Stormy (meteorological) summer of 2020 comes to an end

Warmest summer on record for Brainerd; storms produced tornadoes and extensive hail damage

July 25 radar loop
Mega-rain event radar loop between about 6 pm and midnight on July 25.
College of Dupage Weather Lab

Minnesota got our money’s worth from the meteorological summer of 2020.

This summer was among the top 10 warmest across much of Minnesota. It was the warmest summer on record in Brainerd, Minn., and the second warmest in Duluth, Minn.

Summer 2020 temperatures
Summer 2020 temperatures
Duluth National Weather Service

Summer temperatures in the Twin Cities ran 2.7 degrees warmer than average this summer marking the 12th warmest summer on record. Meteorological summer is defined as the months of June through August.

Stormy summer

Minnesota saw more than our fair share of severe storm events this summer.

Hail storms damaged crops in southern Minnesota on July 11. Tornadoes and high winds tore across Minnesota July 17-18.

July 17 and 18 storms reports
July 17 and 18 storms reports
NOAA

July 25-26 mega-rain event

Minnesota’s first mega-rain event in four years dumped 6 to 10 inches of rain on areas surrounding Mankato on July 25-26.

July 25 mega-rain event
July 25 mega-rain event
Twin Cities National Weather Service

Aug. 9-10 electrical and hail storms

The severe weather parade continued in August. Waves of electrically active thunderstorms produced continuous lightning displays the evening of Aug. 9 into Aug. 10.

Prolonged hail storms pounded areas around the Twin Cities.

Large hail up to tennis ball size was documents near Loretto, Minn.

Aug. 14 tornado outbreak

Aug. 14 featured a significant tornado outbreak.

At least 20 tornadoes skipped across Minnesota, with 15 occurring in the Twin Cities National Weather Service forecast area.

Preliminary results indicated that over 20 tornadoes occurred in Minnesota with 15 in the NWS Twin Cities forecast area. 3 of the 15 tornadoes were of EF-1 strength.

Heat and storms have made this a summer to remember in Minnesota.

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