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Tornado outbreak of April 21–23, 1883
Weather event in the United States From Wikipedia, the free encyclopedia
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On April 21–23, 1883, a tornado outbreak affected portions of the south-central United States, killing at least 122 people and injuring over 771. It produced at least 29 tornadoes, including long-lived events, the deadliest of which, retroactively rated F4, killed at least 56 people in and near Georgetown, Mississippi. A similarly intense tornado, likely at least F3, killed 11 people in the same area, and a pair of F4s in Georgia collectively claimed 18 lives as well. Another F3 killed seven people near Starkville, Mississippi, and an F3 also killed four or more people along the Louisiana–Mississippi border. An F2 near French Camp, Mississippi, killed five more as well. Many more tornadoes than listed likely occurred but, lacking sufficient documentation, could not be verified.[note 2]
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Confirmed tornadoes
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The following events were reported as well:[2]
- Up to 10 unconfirmed tornadoes may have hit Mississippi.
- A tornado may have hit Ashville, Alabama, wrecking homes there.
- A pair of tornadoes may have hit the Mobile area.
- A tornado may have injured many people and destroyed five homes in Barbour County.
Prior to 1990, there is a likely undercount of tornadoes, particularly E/F0–1, with reports of weaker tornadoes becoming more common as population increased. A sharp increase in the annual average E/F0–1 count by approximately 200 tornadoes was noted upon the implementation of NEXRAD Doppler weather radar in 1990–1991.[3][note 3] 1974 marked the first year where significant tornado (E/F2+) counts became homogenous with contemporary values, attributed to the consistent implementation of Fujita scale assessments.[7][note 4] Numerous discrepancies on the details of tornadoes in this outbreak exist between sources. The total count of tornadoes and ratings differs from various agencies accordingly. The list below documents information from the most contemporary official sources alongside assessments from tornado historian Thomas P. Grazulis.
April 21 event
April 22 event
April 23 event
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Other effects
On April 21, hail 9 in (23 cm) in circumference fell in Harper County, Kansas. At Rome, Sumner County, hail did crop and other damage. Strong winds blew down a trio of homes at New Bedford, killing a person, and unroofed a sprawling, three-story building at Wellington. Winds also destroyed five buildings at South Haven. On April 22, storms heavily damaged Lawrence, Mississippi, and on April 23 blew down a pair of dwellings at Lexington, Georgia, along with gin houses and cabins in Taliaferro and Lincoln counties. Significant damage also afflicted Crawford and Clarke counties.[17]
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See also
Notes
- All losses are in 1883 United States dollars unless otherwise noted.
- An outbreak is generally defined as a group of at least six tornadoes (the number sometimes varies slightly according to local climatology) with no more than a six-hour gap between individual tornadoes. An outbreak sequence, prior to (after) the start of modern records in 1950, is defined as a period of no more than two (one) consecutive days without at least one significant (F2 or stronger) tornado.[1]
- Historically, the number of tornadoes globally and in the United States was and is likely underrepresented: research by Grazulis on annual tornado activity suggests that, as of 2001, only 53% of yearly U.S. tornadoes were officially recorded. Documentation of tornadoes outside the United States was historically less exhaustive, owing to the lack of monitors in many nations and, in some cases, to internal political controls on public information.[4] Most countries only recorded tornadoes that produced severe damage or loss of life.[5] Significant low biases in U.S. tornado counts likely occurred through the early 1990s, when advanced NEXRAD was first installed and the National Weather Service began comprehensively verifying tornado occurrences.[6]
- The Fujita scale was devised under the aegis of scientist T. Theodore Fujita in the early 1970s. Prior to the advent of the scale in 1971, tornadoes in the United States were officially unrated.[8][9] Tornado ratings were retroactively applied to events prior to the formal adoption of the F-scale by the National Weather Service.[10] While the Fujita scale has been superseded by the Enhanced Fujita scale in the U.S. since February 1, 2007,[11] Canada used the old scale until April 1, 2013;[12] nations elsewhere, like the United Kingdom, apply other classifications such as the TORRO scale.[13]
- All dates are based on the local time zone where the tornado touched down; however, all times are in Coordinated Universal Time and dates are split at midnight CST/CDT for consistency.
- The listed width values are primarily the average/mean width of the tornadoes, with those having known maximum widths denoted by ♯. From 1952 to 1994, reports largely list mean width whereas contemporary years list maximum width.[14] Values provided by Grazulis are the average width, with estimates being rounded down (i.e. 0.5 mi (0.80 km) is rounded down from 880 yards to 800 yards.[15][16]
- The National Oceanic and Atmospheric Administration's Storm Data publication does not list exact damage totals for every event, instead giving damage categories. As such, damage for individual tornadoes is not comprehensive.
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References
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