This Day in National/World Weather History ...
 30 July 1119 → The earliest tornado reported on the European mainland struck Vysehrad, Czechia (today Prague, Czech Republic). It destroyed the palace of a Czech duke.
 30 July 1997 → Two waterspouts moved onshore in northern Virginia Beach, VA. One tracked into Norfolk.
 30 July 1999 → At nine o'clock in the morning Chicago recorded its highest ever dew point temperature of 82 degrees. The temperature at the time was 88, resulting in a heat index of 108. The dew point is an indication of the amount of moisture in the air.

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February 27, 1969:

Snowfall of up to 15 inches blocked many roads in South Dakota. Freezing rain formed a glaze on many utility lines resulting in extensive damage to the lines. The greatest damage occurred in the north central part of the state.

February 27, 1996:

Across central and northeast South Dakota as well as west central Minnesota, a strong area of low pressure brought 4 to 11 inches of snow from the late afternoon of the 26th to the late evening of the 27th. Along with the snow came strong cold north winds of 20 to 40 mph, creating near blizzard conditions at times. Wind chills were from 20 below to 60 below. Some schools were closed or started late the 27th along with some activities canceled. Snowfall amounts included, 4 inches at Sisseton, 5 inches at Aberdeen, Redfield, near Reliance, Wheaton, Browns Valley, Britton, and Gettysburg. Other snowfall amounts included, 6 inches at Lebanon, Hoven, Miller, Webster, Eden, Frederick, and Seneca, 7 inches near Chelsea and Mellette, 8 inches at Roscoe and east of Hosmer, Tulare and near Milbank, 9 inches south of Ree Heights, 8 to 10 inches in the Ortonville area, and 11 inches at Wilmot.


Record Highs: Record Lows:
Aberdeen: 65 (1895) Aberdeen: -23 (2001)
Kennebec: 67 (1932) Kennebec: -25 (1922)
Mobridge: 65 (1988) Mobridge: -21 (1941)
Pierre: 68 (1998) Pierre: -12 (2011)
Sisseton: 60 (1932) Sisseton: -17 (1962)
Timber Lake: 65 (1988) Timber Lake: -19 (1941)
Watertown: 60 (1921) Watertown: -23 (1962)
Wheaton: 60 (1932) Wheaton: -16 (2009)

Record Precipitation: Record Snowfall:
Aberdeen: 1.55" (1903) Aberdeen: 13.6" (1969)
Kennebec: 0.50" (1987) Kennebec: 6.0" (1903)
Mobridge: 0.60" (1930) Mobridge: 5.6" (1958)
Pierre: 1.02" (1958) Pierre: 10.2" (1958)
Sisseton: 0.98" (1958) Sisseton: 6.0" (1948)
Timber Lake: 0.87" (1987) Timber Lake: 11.0" (1987)
Watertown: 0.49" (1948) Watertown: 3.8" (1996)
Wheaton: 0.44" (1996) Wheaton: 9.3" (2009)


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