This Day in National/World Weather History ...
 20 September 1845 → The "Great Adirondack Tornado," really a family of up to 4 tornadoes, traversed an incredible 275 miles, tearing down many thousands of trees across northern New York and northern Vermont. The damage path from the tornadoes and associated downburst winds was up to a mile and a half wide. Hailstones were as big as hens' eggs.
 20 September 1987 → A vivid rainbow was seen at Fort Simpson, in the Northwest Territories of Canada, during a visit by Pope John Paul II.

This Day in Weather History Archive

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                   Weather History...


August 31, 1977:

Strong winds accompanying thunderstorms moved across the southern part of Brown County during the early morning hours. A barn was destroyed three miles west of Warner. Many trees were damaged in the Stratford area. A large, empty fuel tank, southeast of Watertown was folded inward by strong winds. High wind damage was also reported in Faulk and Day Counties.

August 31, 2013:

Thunderstorms produces numerous reports of large hail and damaging winds in and near Sioux Falls on the evening of August 31st. Large hail broke windows and damaged many vehicles, as well as siding and roofs on the west side of Sioux Falls. One automobile dealer with a large temporary outdoor display reported four thousand vehicles were damaged. Estimated property damage was listed at four million dollars. Thunderstorm winds also damaged several businesses, including a large retail store which was also struck by lightning. The large store lost part of its roof, while the stockroom of the same store and its contents were also damaged. A canopy type tent was destroyed, and a 20 foot retaining wall was blown down. The winds caused extensive tree damage, including several trees blown down, one of which blocked a major intersection when it fell.


Record Highs: Record Lows:
Aberdeen: 98 (1921) Aberdeen: 32 (1987)
Kennebec: 105 (2000) Kennebec: 35 (1974)
Mobridge: 101 (1953) Mobridge: 39 (1958)
Pierre: 103 (1960) Pierre: 39 (1974)
Sisseton: 94 (1948) Sisseton: 39 (1987)
Timber Lake: 100 (1953) Timber Lake: 38 (1994)
Watertown: 94 (1930) Watertown: 38 (1987)
Wheaton: 95 (1953) Wheaton: 39 (1967)

Record Precipitation:
Aberdeen: 0.75" (1977)
Kennebec: 1.15" (1908)
Mobridge: 0.59" (1956)
Pierre: 1.83" (1942)
Sisseton: 1.54" (1942)
Timber Lake: 0.50" (1977)
Watertown: 0.98" (1977)
Wheaton: 3.95" (1982)


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