Tornadoes
Top 5 Largest Tornadoes
1 El Reno Tornado
Width: 4.2Km
Date: 31 May 2013
Location: Canadian County, Oklahoma, USA
Duration: 40 Minutes
Category: EF3
Wind: 484Km/h
2. Hallam Tornado
Width: 4Km
Date: 22 May 2004
Location: Jefferson, Saline, Gage, Lancaster and Otoe Countries
Wind: 320 Km/h
3. Mulhall tornado
Width: 2.4 - 7.05Km
Location: Mulhall, Oklahoma
Duration: Unknown
Category: F4
Wind: 418.43Km/h
4. Bridge Creek-Moore Tornado
Width: 1.61 - 2.315Km
Date: 3 May 1999
Location: Grady, McClain, Cleveland and Oklahoma
Duration: 85 Minutes
Wind: (484) 32Km/h
5. Tri State Tornado
Width: 1.09 - 1.61Km
Location: Southern Missouri ,Illinois and Indiana
Duration: 217 Minutes
Category: F5
Wind: 117.48Km/h
Definition of a Tornado
A tornado is a rapid column of air that is in contact with both surface of the Earth and a Cumulonimbus Cloud.
Impact of a Tornado
An F0 tornado, the weakest category, damages trees, but not substantial structures. An F5 tornado , the strongest category, rips buildings off their foundations and can deform large skyscrapers.
There are several scales to use. One is the Enhanced Fujita Scale.
It is rated by the strength of the Tornado.
Top 10 Deadliest Tornadoes in the USA
1. Tri-State Tornado
Location: Tri State
Date: 18 March 1925
Damage: Killed 695 people and thousands injured
2. Natchez Tornado
Location: Started in Concordia Parish Ended in Natchez, Mississipi
Date: 6 May 1840
Damage: Killed 317 people
3.St. Louis Tornado
Location: St. Louis, Missouri
Date: 27 May 1896
Damage: Killed 255 people
4. Tupelo Tornado
Location: Tupelo , Mississippi
Date: 5 April 1936
Category & Wind: F5, Unknown
Damage: Killed 216 people and 700 injuries
5. Gainesville Tornado
Location: Gainesville
Date: 6 April 1936
Damage: Killed 203 people
6. Woodward Tornado
Location: Boarders of Oklahoma
Date: 9 April 1947
Category & Wind: F5, 80km/h
Damage: Killed 181 people and 1000 injuries
7. Joplin, Mississippi Tornado
Location: Joplin
Date: 22 May 2011
Category & Wind: EF5, Unknown
Damage: Killed 158 people and 1000 injuries
8. Amite, Lousiana & Purvis Tornado
Location: From Amite to Purvis
Date: 24 April 1908
Damage: Killed 143 people
9. New Richmond Tornado
Location: New Richmond, Wisconsin
Date: 12 June 1899
Category & Wind: Unknown
Damage: Killed 117 people and 150 injuries
10. Beecher Tornado
Location: Flint, Michigan
Date: 8 June 1953
Category & Wind: F5, 417 - 508 km/h
Damage: Killed 116 people and 844 injuries
Types of Tornadoes
Landspout
is a dust tube tornado
Waterspout
is defined by the National Weather Services as a Tornado over water.
Multiple Vortex
is a type of Tornado in which 2 or more columns of spinning air rotate about their own axis and at the same time revolve around a common centre.