This Day in National/World Weather History ...
 15 April 1921 → A large tornado outbreak struck Texas, Arkansas, and Mississippi. One tornado family was on the ground for 112 miles and caused up to F4 damage. That family took 59 lives from Marion County, TX to Pike County, AR and the individual tornadoes were as much as a mile wide.
 15 April 1949 → A hailstone with a diameter of 5 inches and weighing over 4 pounds was reported in Troy, NY.
 15 April 1984 → In Terrace, British Columbia an intense wind storm capsized fishing vessels and sailboats, damaged power lines and buildings, and fanned forest fires. Wind gusts as high as 75 mph were reported. The storm caused several million dollars in damage.
 15 April 2011 → Tornado outbreaks happened on three consecutive days from the 14th to the 16th. On this date an EF3 tornado hit the northwest side of Jackson, MS, injuring ten people. An EF-3 in Neshoba and Kemper counties in Mississippi was on the ground for nearly 39 miles and was 3/4 of a mile wide.

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February 3, 1997:

A winter storm dropped from 6 to 15 inches of snow across central and northeast South Dakota as well as west central Minnesota deepening the already expansive snowpack. The wind came up from the north at 20 to 30 mph during the morning of the 4th causing blowing and drifting snow blocking some roads and making travel hazardous if not impossible. Several vehicles got stuck or went off the road. Due to the heavy snowfall, a roof collapsed in Aberdeen damaging a car. Many schools started late or were canceled acummulating to the number of days missed for the season. Some snowfall amounts included, 5 inches at Wheaton, 6 inches at Britton, Summit, Webster, Browns Valley, Artichoke Lake, and Ortonville, 7 inches at Aberdeen, 6 SE McIntosh, Pollock, Timber Lake, 8 inches at Leola, Ipswich, Eagle Butte and Gettysburg, 9 inches at Miller and Mellette, 10 inches at Mobridge, Watertown, Clear Lake, Pierre, Kennebec, and Onida, and 11 inches at Clark and Blunt. Snowfall amounts of a foot or more included, 12 inches at Highmore, Bryant, and Gann Valley, 13 inches at Faulkton, 14 inches 23 N Highmore and Murdo, and 15 inches at 1 SE Stephan. Up to this point in the winter season, record snowfall and record cold were the rule across the area.

Record Highs: Record Lows:
Aberdeen: 58 (1991) Aberdeen: -38 (1893)
Kennebec: 69 (1962) Kennebec: -32 (1996)
Mobridge: 57 (2005) Mobridge: -32 (1996)
Pierre: 66 (1962) Pierre: -29 (1996)
Sisseton: 57 (1991) Sisseton: -26 (1996)
Timber Lake: 59 (1962) Timber Lake: -31 (1996)
Watertown: 51 (2005) Watertown: -36 (1905)
Wheaton: 60 (1991) Wheaton: -33 (1996)

Record Precipitation: Record Snowfall:
Aberdeen: 0.56" (1997) Aberdeen: 5.3" (1997)
Kennebec: 0.68" (1936) Kennebec: 8.0" (1936)
Mobridge: 0.53" (1997) Mobridge: 10.0" (1997)
Pierre: 0.66" (1997) Pierre: 7.5" (1997)
Sisseton: 0.72" (1943) Sisseton: 4.0" (1971)
Timber Lake: 0.43" (1997) Timber Lake: 5.0" (1997)
Watertown: 0.62" (1943) Watertown: 2.9" (1980)
Wheaton: 0.58" (1943) Wheaton: 2.0" (2004) is the U.S. government's official web portal to all federal, state and local government web resources and services.