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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March 15, 2010:

Snowmelt runoff from an expansive snow cover flooded many rivers, creeks, roads, along with thousands of acres of pasture and cropland throughout northeast South Dakota. There were numerous road closures. The flooding lasted through the end of the month and for many locations into April. The counties mainly affected were Brown, Marshall, Day, Spink, and Roberts. Numerous communities were affected including Aberdeen, Claremont, Waubay, Amherst, Kidder, and the Richmond Lake area. The Claremont, Amherst, and Britton areas were the hardest hit with flooded land and roads. Several farms were surrounded by water with some people stranded. Between Aberdeen and Britton, sixty percent of the land was under water. Thousands of acres of cropland will not be planted due to too much water with estimates that 20 to 25 percent of Brown county cropland would not be planted. Many people in northeast South Dakota have had too much water for many years. The road damage was extensive and repairs will be in the millions of dollars. Many roads across the area will also have to be raised. Many people had extra long commutes due to flooded roads with some people having to move out of their homes. Across Day and Marshall counties, rising lakes threatened many homes and cabins with sandbagging taking place. Most lakes and rivers across northeast South Dakota were at or near record levels.


Record Highs: Record Lows:
Aberdeen: 64 (1927) Aberdeen: -29 (1897)
Kennebec: 78 (2003) Kennebec: -17 (1897)
Mobridge: 68 (1995) Mobridge: -10 (1997)
Pierre: 74 (1999) Pierre: -7 (1949)
Sisseton: 64 (2003) Sisseton: -7 (1997)
Timber Lake: 69 (2012) Timber Lake: -18 (1913)
Watertown: 66 (1930) Watertown: -19 (1893)
Wheaton: 69 (2003) Wheaton: -8 (1997)

Record Precipitation: Record Snowfall:
Aberdeen: 0.62" (1943) Aberdeen: 4.2" (1943)
Kennebec: 0.41" (1902) Kennebec: 4.0" (1902)
Mobridge: 0.32" (1946) Mobridge: 2.0" (1987)
Pierre: 0.61" (1899) Pierre: 5.0" (1943)
Sisseton: 0.25" (1942) Sisseton: 4.0" (1942)
Timber Lake: 0.69" (1943) Timber Lake: 5.2" (1943)
Watertown: 0.99" (1943) Watertown: 4.1" (1943)
Wheaton: 0.65" (1943) Wheaton: 9.0" (1990)


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