This Day in National/World Weather History ...
 21 September 1588 → After an unsuccessful battle with the English fleet, the Spanish Armada encountered strong storms and high winds off the coast of Ireland on its way back to Spain. 26 ships are believed to have been lost. The remaining ships limped back to Spain defeated and demoralized, ending the reign of the once unbeatable Spanish Armada.
 21 September 1894 → A huge tornado outbreak swept from Iowa through Minnesota to Wisconsin, with an unusual number of extremely violent tornadoes. The tornado that rampaged through Kossuth County, MN, was likely an F5 as homes and farms were wiped clean from the earth.
 21 September 1909 → A category 3 hurricane crossed the Gulf of Mexico and came ashore in southern Louisiana. The storm inflicted 120 mph winds on southeast Louisiana and took its storm surge 2 miles inland. There were about 371 fatalities despite the Weather Bureau having issued its first warnings for the storm three days earlier.
 21 September 1938 → The New England Hurricane was one of the most destructive and powerful storms ever to strike southern New England. The storm roared ashore over Long Island, NY at nearly 60 mph at the time of high tide. This created a deadly tidal surge, which submerged downtown Providence, RI under 20 feet of water. Hurricane force winds were felt throughout New England, with a gust to 186 mph at the Blue Hill Observatory in Milton, MA. The Great New England Hurricane of 1938 was responsible for over 500 deaths.

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June 13, 1943:

An estimated F2 tornado moved ENE, destroying a home on the southeastern edge of Highmore. A mother and her five children seeking shelter in the home were injured. Barns and outbuildings were damaged on a dozen farms. This tornado was estimated to be on the ground for about 8 miles and caused about $10,000 in damage.

June 13, 1967:

Thunderstorms passed across much of Eastern South Dakota. Unofficial rain fall reported of up to 5 inches and hail up to golf ball size was reported in spotty areas. Winds at the Aberdeen airport hit a peak gust of 71 mph.

June 13, 1991:

A small F1 tornado remained on the ground for 4 miles as it moved westerly from 10 miles west of Roscoe to 6 mile west of Roscoe. The path of the tornado continued for another 5 miles but was not consistently on the ground. It dissipated one mile west of Roscoe. Although the tornado had a long path, its width was 10 yards and traveled through open fields and cause little to no damage.


Record Highs: Record Lows:
Aberdeen: 102 (1936) Aberdeen: 36 (1942)
Kennebec: 106 (1956) Kennebec: 38 (1942)
Mobridge: 98 (1936) Mobridge: 37 (1942)
Pierre: 102 (1979) Pierre: 38 (1969)
Sisseton: 96 (1936) Sisseton: 37 (1942)
Timber Lake: 101 (1979) Timber Lake: 39 (1969)
Watertown: 96 (1987) Watertown: 34 (1929)
Wheaton: 99 (1987) Wheaton: 38 (1929)

Record Precipitation:
Aberdeen: 0.95" (2005)
Kennebec: 1.93" (2007)
Mobridge: 1.48" (1914)
Pierre: 1.36" (1988)
Sisseton: 2.35" (2005)
Timber Lake: 1.65" (1943)
Watertown: 1.85" (1937)
Wheaton: 1.71" (1943)


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