This Day in National/World Weather History ...
 29 August 1965 → Mount Washington, NH reported 2.5 inches of snow -- a national record for the month of August.
 29 August 1994Hurricane John, also known as Typhoon John, lasted 30 days as it affected both the northeast and northwest Pacific basins making it the longest lasting tropical cyclone. It formed in the northeast Pacific, reached hurricane force there, moved across the dateline and was renamed Typhoon John, and then finally recurved back across the dateline and renamed Hurricane John again.
 29 August 2005 → Hurricane Katrina, a strong Category 3 storm with 125 mph winds and a high storm surge, came ashore along the Louisiana/Mississippi border. The massive storm brought 12 hours of hurricane force winds and up to a 28 foot storm surge to the Mississippi coast. New Orleans was inundated.

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July 22, 1926:

An estimated F2 tornado moved east across the northern part of Hyde County, destroying two barns.

July 22, 1999:

An F0 tornado touched down briefly on a farm southeast of Onida. Over half of the roof of a 40 by 45 foot building was torn off and deposited in a tree belt 200 yards to the north. The south wall of this building was caved in and the north wall was pulled out and the overhead door was ripped off. A grain auger was also damaged when it was pushed up against a granary. A semi trailer was blown over. About 400 acres of ripe wheat were also flattened and some sunflowers suffered damage as a result of the tornado.

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July 22, 2011:

Numerous severe thunderstorms brought hail up to the size of golf balls, damaging winds over 70 mph, along with flash flooding to parts of north central and northeast South Dakota. Most of the hail occurred in Grant and Codington counties. Several roads were flooded by nearly 4 inches of rain in Grant County. Five miles west of South Shore in Codington County, over 3 inches of rain brought flash flooding to several roads. The strong winds where observed in Corson, Walworth, and McPherson counties. About 9 miles west of Long Lake, eighty mph winds ripped a grain bin from the fasteners, pushed the north wall of a garage in, snapped several corral poles, tipped over a gain vac and feeder wagon, moved a semitrailer four feet, and caused some minor damage to the house. Also, many branches were broken off along with several trees uprooted.


Record Highs: Record Lows:
Aberdeen: 111 (1934) Aberdeen: 46 (1980)
Kennebec: 112 (1936) Kennebec: 46 (1961)
Mobridge: 109 (1941) Mobridge: 47 (1915)
Pierre: 108 (1941) Pierre: 49 (1961)
Sisseton: 112 (1934) Sisseton: 45 (1947)
Timber Lake: 105 (1941) Timber Lake: 47 (1961)
Watertown: 106 (1934) Watertown: 39 (1925)
Wheaton: 100 (1923) Wheaton: 43 (1925)

Record Precipitation:
Aberdeen: 1.10" (1898)
Kennebec: 2.51" (2010)
Mobridge: 1.05" (1945)
Pierre: 1.08" (1975)
Sisseton: 1.06" (1991)
Timber Lake: 0.66" (1975)
Watertown: 1.79" (1981)
Wheaton: 0.80" (1991)


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