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Tornadoes

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Nature and flora

Waterspout

A waterspout is an intense columnar vortex that occurs over a body of water. Some are connected to a cumulus congestus cloud, some to a cumuliform cloud and some to a cumulonimbus cloud. In the common form, it is a non-supercell tornado over water.

Nature and flora, Disasters

2011 Joplin tornado

The 2011 Joplin tornado was a catastrophic EF5-rated multiple-vortex tornado that struck Joplin, Missouri, late in the afternoon of Sunday, May 22, 2011. It was part of a larger late-May tornado outbreak and reached a maximum width of nearly 1 mile (1.6 km) during its path through the southern part of the city. This particular tornado was unusual in that it intensified in strength and grew larger in size at a very fast rate. The tornado tracked eastward across the city, and then continued eastward across Interstate 44 into rural portions of Jasper County and Newton County. It was the third tornado to strike Joplin since May 1971.

Nature and flora

2013 El Reno tornado

The El Reno tornado was a very large EF3 tornado that occurred over rural areas of Central Oklahoma during the early evening of Friday, May 31, 2013. The widest tornado in recorded history, it was part of a larger weather system that produced dozens of tornadoes over the preceding days. The tornado initially touched down at 6:03 p.m. Central Daylight Time (2303 UTC) about 8.3 miles (13.4 km) west-southwest of El Reno, rapidly growing in size and becoming more violent as it tracked through central portions of Canadian County. Remaining over mostly open terrain, the tornado did not impact many structures; however, measurements from mobile weather radars revealed extreme winds up to 301 mph (484 km/h) within the vortex; these are the second-highest observed wind speeds on Earth, with only the 1999 Bridge Creek–Moore tornado having recorded slightly higher wind speeds. As it crossed U.S. Highway 81, it had grown to a record-breaking width of 2.6 miles (4.2 km). Turning northeastward, the tornado soon weakened. Upon crossing Interstate 40, the tornado dissipated around 6:43 p.m. CDT (2343 UTC), after tracking for 16.2 miles (26.1 km), it avoided affecting the more densely populated areas near and within the Oklahoma City metropolitan area.

Nature and flora

2013 Moore tornado

On the afternoon of Monday, May 20, 2013, a large and very powerful EF5 tornado ravaged Moore, Oklahoma, and adjacent areas, with peak winds estimated at 210 mph (340 km/h), killing 24 people and injuring 212 others. The tornado was part of a larger weather system that had produced several other tornadoes across the Great Plains over the previous two days, including five that struck portions of Central Oklahoma the day prior on May 19.

Nature and flora

Landspout

A landspout is a term coined by meteorologist Howard B. Bluestein in 1985 for a kind of tornado not associated with a mesocyclone. The Glossary of Meteorology defines a landspout as"Colloquial expression describing tornadoes occurring with a parent cloud in its growth stage and with its vorticity originating in the boundary layer. The parent cloud does not contain a preexisting mid-level mesocyclone. The landspout was so named because it looks like "a weak Florida Keys waterspout over land."

Nature and flora

Tri-State Tornado

The Tri-State Tornado of Wednesday, March 18, 1925 was the deadliest tornado in United States history. It was also the most exceptional tornado during a major outbreak of at least 12 known significant tornadoes, spanning a large portion of the Midwestern and Southern United States. This one tornado alone inflicted 695 fatalities, more than twice as many as the second deadliest, the Great Natchez, Mississippi Tornado of May 7, 1840. The 151 to 235 mi track left by the tornado was the longest ever recorded in the world as it crossed from southeastern Missouri, through southern Illinois, then into southwestern Indiana. Although not officially rated by NOAA, it is recognized by most experts as an F5 tornado, the maximum damage rating issued on the Fujita scale.

Nature and flora

1999 Bridge Creek–Moore tornado

The 1999 Bridge Creek–Moore tornado was an extremely powerful F5 tornado in which the highest wind speeds ever measured globally were recorded at 301 ± 20 miles per hour (484 ± 32 km/h) by a Doppler on Wheels (DOW) radar. The tornado devastated southern portions of Oklahoma City, Oklahoma, along with surrounding suburbs and towns 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, and leaving US$1 billion in damage, ranking it as the fifth-costliest on record, not accounting for inflation.

Nature and flora

2011 Tuscaloosa–Birmingham tornado

The 2011 Tuscaloosa–Birmingham tornado was a large and violent EF4 multiple-vortex tornado that devastated portions of Tuscaloosa and Birmingham, Alabama, as well as smaller communities and rural areas between the two cities, during the late afternoon and early evening of Wednesday, April 27, 2011. It is one of the costliest tornadoes on record. It was one of the 360 tornadoes in the 2011 Super Outbreak, the largest tornado outbreak in United States history. The tornado reached a maximum path width of 1.5 miles (2.4 km) during its track through Tuscaloosa, and once again when it crossed Interstate 65 north of Birmingham, and attained estimated winds of 190 mph (310 km/h) shortly after passing through the city. It then went on to impact parts of Birmingham as a high-end EF4 before dissipating. This was the third tornado to strike the city of Tuscaloosa in the past decade, and the second in two weeks.

Nature and flora

Daulatpur–Saturia tornado

The Daulatpur–Saturia, Bangladesh tornado occurred in the Manikganj District, Bangladesh on April 26, 1989. It was the costliest and deadliest tornado in Bangladesh's history. There is great uncertainty about the death toll, but estimates indicate that it was devastating and that it killed around 1,300 people, which would make it the deadliest tornado in history. The tornado affected the cities of Daulatpur and Saturia the most, moving east through Daulatpur and eventually northeast and into Saturia. Previously, the area that the tornado hit had been in a state of drought for six months, possibly generating tornadic conditions.

Nature and flora

Regina Cyclone

The Regina Cyclone, or Regina tornado of 1912, was a tornado that devastated the city of Regina, Saskatchewan, Canada, on Sunday, June 30, 1912. It remains the deadliest tornado in Canadian history with a total of 28 fatalities. At about 4:50 p.m., green funnel clouds formed and touched down south of the city, tearing through the residential area between Wascana Lake and Victoria Avenue, and continuing through the downtown business district, rail yards, warehouse district, and northern residential area.

Nature and flora

2007 Elie, Manitoba tornado

The Elie, Manitoba tornado was an F5 tornado that struck the town of Elie, in the Canadian province of Manitoba, on Friday, June 22, 2007. While several houses were leveled, no one was injured or killed by the tornado. A home in the town was swept clean off of its foundation, justifying the F5 classification. This makes it one of the strongest twisters on record since 1999 and one of only nine to reach F5/EF5 intensity between 1999 and 2011 in North America. This tornado was part of a two-day outbreak of severe weather through June 23, including at least four other tornadoes confirmed in Manitoba and Saskatchewan. Because Environment Canada adopted the Enhanced Fujita scale in 2013, there will be no more tornadoes with an F5 rating, making this tornado the first and last confirmed F5 tornado in Canada.

Nature and flora

1999 Salt Lake City tornado

The 1999 Salt Lake City tornado was a very rare tornado that occurred in Salt Lake City, Utah on August 11, 1999. It was among the most notable tornadoes to hit west of the Great Plains in the 20th century and the second tornado to hit in Utah that resulted in a fatality. This was the sixth significant tornado in Utah since June 1963.It was also one of only two F2 tornadoes to have hit Salt Lake County since 1950.

Nature and flora

Multiple-vortex tornado

A multiple-vortex tornado is a tornado that contains several vortices rotating around, inside of, and as part of the main vortex. The only times multiple vortices may be visible are when the tornado is first forming or when condensation and debris is balanced enough so that subvortices are apparent without being obscured. They can add over 100 mph to the ground-relative wind in a tornado circulation, and are responsible for most cases where narrow arcs of extreme destruction lie right next to weak damage within tornado paths.

Nature and flora

1990 Plainfield tornado

The 1990 Plainfield tornado was a devastating tornado that occurred on the afternoon of Tuesday, August 28, 1990. The violent tornado killed 29 people and injured 353. It is the only F5 tornado ever recorded in August and the only F5 tornado to strike the Chicago area. There are no known videos or photographs of this heavily rain-wrapped tornado. The Plainfield tornado was part of a small outbreak that produced several tornadoes in the northern US and in Canada.

Nature and flora

Birmingham tornado of 2005

The Birmingham tornado of 2005 was one of the strongest tornadoes recorded in the United Kingdom in nearly 30 years, occurring on 28 July 2005 in the suburbs of Birmingham. It formed on a day when strong tornadoes were expected to develop across the Midlands and eastern England. The tornado struck at approximately 2.30pm BST in the Sparkbrook area of the city, also affecting King's Heath, Moseley and Balsall Heath as it carved 7 kilometre-long path through the city. Its main effects were felt in the Ladypool Road which bore the brunt of the damage. Ladypool Primary School was extensively damaged and lost its distinctive Martin & Chamberlain tower. The adjacent St Agatha's Church also suffered some damage. Christ Church, on the corner of Dolobran Road and Grantham Road in Sparkbrook was also damaged and has now been demolished.