Portal:Tornadoes
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The Tornadoes Portal

Tornadoes are violently rotating columns of air that are in contact with the Earth and either a cumulonimbus or a cumulus cloud. Tornadoes are often called twisters, whirlwinds, or cyclones. While most tornadoes contain winds of less than 110 miles per hour (180 km/h), are about 250 feet (80 m) across, and travel a few miles (several kilometers), the wind speeds in the most intense tornadoes can reach 300 miles per hour (480 km/h), are more than two miles (3 km) in diameter, and stay on the ground for dozens of miles (more than 100 km). Various types of tornadoes include the multiple vortex tornado, landspout, and waterspout. Other tornado-like phenomenons that exist in nature include the gustnado, dust devil, fire whirl, and steam devil. Most tornadoes occur in North America (in the United States and Canada), concentrated in a region nicknamed Tornado Alley. Tornadoes also occur in South America, South Africa, Europe, Asia, and Oceania.
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The 1999 Bridge Creek–Moore tornado was a large, long-lived, and exceptionally violent F5 tornado that produced the highest tornado wind speed ever recorded by doppler weather radar—321 miles per hour (517 km/h), measured by a Doppler on Wheels (DoW). One of the strongest tornadoes ever recorded to affect a metropolitan area, the tornado devastated southern portions of Oklahoma City, Oklahoma as well as surrounding municipalities to the south and southwest of the city during the early evening of Monday, May 3, 1999. The tornado covered 38 miles (61 km) during its 85-minute existence, destroying thousands of homes, killing 36 people (plus another five indirectly), and causing US$1 billion (1999 USD) in damage, ranking it as the fifth-costliest on record not accounting for inflation. Its severity prompted the first-ever use of the tornado emergency statement by the National Weather Service.
The tornado first touched down at 6:23 p.m. Central Daylight Time (CDT) in Grady County, roughly two miles (3.2 km) south-southwest of the town of Amber. It quickly intensified into a violent F4, and gradually reached F5 status after traveling 6.5 miles (10.5 km), at which time it struck the town of Bridge Creek, where parts of the community were rendered unrecognizable. It fluctuated in strength, ranging from F2 to F5 status before it crossed into Cleveland County where it reached F5 intensity for a third time shortly before entering the city of Moore. By 7:30 p.m., the tornado crossed into Oklahoma County and battered southeastern Oklahoma City, Del City, and Midwest City before dissipating around 7:48 p.m. just outside Midwest City. The greatest impacts from this tornado occurred near peak intensity in the densely populated southern suburbs and exurbs of the Oklahoma City metropolitan area. A total of 8,132 homes, 1,041 apartments, 260 businesses, eleven public buildings, and seven churches were damaged or destroyed. (Full article...)
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The tornado outbreak of March 28–31, 2007, also known as the Late-March 2007 tornado outbreak, was a tornado outbreak that took place across the central United States. It developed in the High Plains from South Dakota to central Texas on March 28, 2007, which produced most of the tornadoes. Several more tornadoes were reported the next three days before the system weakened on March 31. It affected western Nebraska, western Kansas, extreme eastern Colorado, and much of Oklahoma, and Texas. It was the second major outbreak of 2007, four weeks after an outbreak farther east. The outbreak produced 80 confirmed tornadoes, with five deaths and extensive damage being reported. In addition to the tornadoes, widespread hail as large as softballs and destructive straight-line winds as strong as 90 mph (140 km/h) were reported.
The activity level was very uncertain for March 29, as it was conditional on the dry line refiring. Despite the squall line remaining intact, several more tornadoes developed. Several more tornadoes developed on March 30 and 31 before the system weakened. (Full article...)
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This page documents the tornadoes and tornado outbreaks of 1977, primarily in the United States. Most tornadoes form in the U.S., although some events may take place internationally. Tornado statistics for older years like this often appear significantly lower than modern years due to fewer reports or confirmed tornadoes. (Full article...)
Related portals
2026 tornado activity
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List of 2026 tornado articles |
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Tornado anniversaries
May 1
- 1875 – A major tornado outbreak hit parts of Alabama, Georgia, and South Carolina, killing at least 58 people. The greatest loss of life was from an F3 tornado or tornado family that traveled 70 miles (110 km) across eastern Alabama and western Georgia, killing at least 22 people, including at least 13 (possibly as many as 26) on plantations in Talbot County, Georgia. Another tornado family killed at least 5 people, all in one family, in Chambers County, Alabama and another 10 in Troup and Meriwether Counties, Georgia.
- 1933 – An F4 tornado sounding like "mad lions on a speeding train" devastated Minden, Louisiana, killing 28 people, injuring 400, and damaging or destroying about 500 homes. Six others were killed when another F4 tornado devastated Arcadia, Louisiana. An F2 tornado carried away and destroyed a small house near Magnolia, Arkansas, killing an entire family of six.
May 2
- 1920 – An F4 tornado destroyed Peggs, Oklahoma, leaving only seven buildings standing. Of the population of 250 people, 71 were killed and 100 were injured. Because Peggs was not on a rail line, word of its destruction did not reach other towns for six hours.
- 1929 – The second day of a significant tornado outbreak killed at least 33 people across the Eastern United States. Thirteen people were killed when an F2 tornado caused the collapse of a school near Rye Cove, northwest of Gate City, Virginia. An F3 tornado damaged or destroyed all eight homes in the tiny town of Weaversville, Virginia, killing four, possibly five people, and killed two others in Lagrange.
May 3
- 1999 – A catastrophic F5 tornado destroyed portions of Oklahoma City and the nearby communities of Bridge Creek and Moore, killing 36 people and causing $1 billion in damage. At the time the costliest single tornado in U.S. history. A Doppler on Wheels recorded a world-record wind speed of 302 mph (486 km/h). This storm also prompted the first tornado emergency.
Did you know…
- ...that the 12-year gap between the 2013 Moore tornado and the 2025 Enderlin tornado, both of which were rated EF5, was the longest EF5 drought in recorded history?
- ...that the 2021 South Moravia tornado, an IF4 tornado with winds between 207–260 mph (333–418 km/h), was the strongest tornado to hit the Czech Republic in modern history?
- ...that five of the six people killed in the 2011 Cullman–Arab tornado were members of the same family?
- ...that Picher, Oklahoma, was hit so hard by a tornado in 2008 that it became a ghost town in 2015?
- ...that the 2022 Andover tornado injured only three people, despite damaging more than 1,000 buildings?
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The U.S state of Iowa experiences multiple tornadoes every year. There have been at least 3,422 recorded tornadoes since 1950. At least 2,340 people have been injured, and 100 people have died due to these tornadoes. There have been multiple tornadoes before 1950, but most of them are not recorded accurately or at all, but the most violent and deadliest tornadoes before 1950 have been recorded. The deadliest tornado was the Camanche tornado, which killed 72 people in Iowa.
2024 was a record-breaking year in Iowa. Iowa saw 125 tornadoes in 2024 which beat the previous record of 120 tornadoes in 2004. In April and May alone, Iowa saw 98 tornadoes, giving the months of April 2024 and May 2024 the second and third most tornadoes in a month, just before May 2004 which saw 57 tornadoes. (Full article...)
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The scope of WikiProject Severe weather is to write articles about severe weather, namely thunderstorms and tornadoes. Their talk page is located here.
WikiProject Weather is the main hub for all articles that are weather-related. WikiProject Weather strives to improve articles in a variety of weather topics, including Tropical Cyclones, Severe Weather, General meteorology, Non-tropical Storms, Climate, Floods, Droughts and wildfires, Meteorological instruments and data, Meteorological Biographies, and Space Weather. If you would like to help, please visit the project talk page.
WikiProject Meteorology is a collaborative effort by dozens of Wikipedians to improve the quality of meteorology- and weather-related articles. If you would like to help, visit the project talk page, and see what needs doing. The project is currently being merged into WikiProject Weather.
WikiProject Tropical cyclones is a daughter project of WikiProject meteorology. The dozens of semi-active members and several full-time members focus on improving Wikipedia's coverage of tropical cyclones.
Wikipedia is a fully collaborative effort by volunteers. So if you see something you think you can improve, be bold and get to editing! We appreciate any help you can provide!
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