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Lake Superior ice, large hail, a cold summer and snow

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Lake Superior ice, large hail, a cold summer and snow top the list of Michigan weather events on this day in history. From the National Weather Service archives here events that happened on June 20.

1857 - Ice was still reported in Marquette Harbor.

1898 – Muskegon records their latest measurable snow on record with 0.5 inches.

1953 - An early summer heat wave peaked with temperatures around 100°. It was the hottest June day on record at Grand Rapids with a high of 102° and a sultry low of 79°. Lansing and Flint also observe their warmest low temperature for the month of June with a reading of 77° at Lansing and 78° at Flint. Several other cities observe daily records for the heat. Record warm minimum temperatures include Muskegon and Detroit with 77°, Houghton Lake with 72°, and Sault Ste. Marie with 64°. Some of these records were tied or broken during the steamy summer of 2012. Daily record highs include Lansing, Flint and Detroit, all with a reading of 97°. Flint would tie this record in 1988.

1979 - An F0 tornado touched down in the mid-afternoon 7 miles ENE of Iron River in Lake Emily in Iron County. It was 33 yards wide and was on the ground for 0.1 mile and did $2500 worth of property damage. In the late afternoon, another F0 tornado touched down near Chief Lake 8.1 miles SW of Republic, MI in Marquette County. It was on the ground for 0.1 mile, was 33 yards wide, and caused no damage.

1992 - Snow mixed with rain was reported a few miles north of Alpena. A trace of snow was reported early in the morning across parts of the U.P. The high temperature for Flint reached a chilly 51° after a cold front had passed the day before. This temperature reading turned out to be the record low maximum for this date. This record low maximum was one of several that occurred over Southeast Lower Michigan during the "Cold Summer of 1992". Other daily records for the chilly high temperatures include Lansing 58°, Alpena 46°, Detroit 52°, Houghton Lake 53°, and Marquette 47°. For Alpena this is the coldest June high temperature.

1995 - Houghton Lake observes record 100° on this day. Muskegon hit 98°, their highest temperature on record in the month of June. Their second hottest June reading of 95° would occur the following day.

2002 - An eight inch diameter popple tree and several smaller trees were blown down 3 miles west of Baraga in the early morning with wind gusts up to 69 mph in severe thunderstorms. A 14 inch diameter tree was blown down 7 miles northwest of Houghton. Thunderstorms ahead of a weak cold front impacted mainly western Upper Michigan overnight on the 19th and into the morning of the 20th. Some of these storms became severe during the early morning of the 20th, with large hail and/or damaging wind gusts in Ontonagon, Houghton and Baraga Counties.

2007 - Severe thunderstorms dropped large hail over portions of central Upper Michigan in the afternoon. The hardest hit areas were downtown Marquette and the southern area of Marquette south of Highways 28-41 and in Harvey where damage estimates from the storms were reported to be over $60,000,000. A large birch tree was down across Way Dam Road 7 miles northeast of Crystal Falls at 1427 CST with a lot of small hail covering the ground. Hail up to 3 inches in diameter (tea cup sized) fell on the south side of Marquette and in Harvey. The hail covered the ground, damaged many automobiles and roofs on the south side of Marquette and shredded leaves that clogged storm drains resulting in street flooding from melting hail in Marquette. Several trucks were damaged or totaled in Harvey with 3 inch hail (tea cup sized) at 1412 EST. After the hail fell, a dense ground fog formed and caused a brief period of low visibilities in the Marquette area. Several large tree branches down on Front Street in Marquette at 1403 EST. 1 inch hail (quarter sized) fell in La Branch at 1435 CST. Several four-inch diameter branches down, as well as a 14-inch diameter tree 2 miles southwest of Bagley at 1543 CST.

2012 - Thunderstorms forming ahead of cold front dumped widespread heavy rain over much of the west half of Upper Michigan in the afternoon of the 20th into the early morning of the 21st. Many locations throughout Gogebic County measured between two and three inches of storm total rainfall. A tree was reported down on a power line on Lake Road at Little Girls Point. Observers near Calumet measured nearly two inches of storm total rainfall. The Copper Harbor ASOS measured 2.01 inches of storm total rainfall. Locations from Michigamme northwest to Big Bay measured between 1.5 and 2.0 inches of storm total rainfall. Observers from Bergland and Paulding to Rockland measured nearly two inches of storm total rainfall. A 68 knot wind gust was measured by the Lake Superior buoy 45001 in the early morning.

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