Tornadoes

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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.