Tornadoes

Sicily Tornadoes happened in 1851.

Tornadoes develop during thunderstorms, which are associated with cumulonimbus clouds. Many will descned from a wall cloud at the base of a thunderstorm. The tornado itself may be visible as a funnel cloud.

The largest tornado on record was 2.6 miles wide. It struck near El Reno, Oklahoma on May 31, 2013.

Tornadoes killed 53 people in Michigan on April 11, 1965

Tornadoes in the U.S. are called tornadoes.

No. Tornadoes form in an environment where warm air rises quickly. Cold air will resist rising and will tend to prevent tornadoes from forming.

Alley Cats Strike was created on 2000-03-18.

It is impossible to determine when the next tornado will occur anywhere. At best we can make a rough prediction of where a tornado outbreak might occur in the next few days and where an individual tornado might hit in the next few minutes if there is a potentially tornadic storm.

Surprisingly, typical damage is not all that severe. The majority of tornadoes are classified as EF0 or EF1. In these tornadoes, houses may lose some roof surface and siding. Weak structures such as sheds and barns may be destroyed Trees may be knocked down.

Some tornadoes are strong enough to destroy well-built houses, but these account for less than 5% of all recorded tornadoes.

F0 tornadoes generally cause little to no damage. If there is no damage, it is very difficult to verify unless a reliable witness saw the tornado on the ground. When damage occurs in an unpopulated area, it is often limited to vegetation, and a few downed trees in the middle of nowhere are probably not going to attract any attention. Many of these tornadoes are too weak to be detected by radar.

Fire tornadoes, more properly called firewhirls, can occur in any area prone to major fires.This would include most of the Southwestern United States.

In terms of actual type, the tornado that hit near Taylor was probably a supercell tornado. In terms of strength, it was rated F2.

There are tornadoes in Hawaii, but they are very rare and those that do occur are usually weak. All tornadoes that have struck Hawaii in recent years have been rated EF0, causing only minor damage.

Tornadoes form from very intense thunderstorms, which require a highly unstable atmosphere that, in simple terms, means it is warm at the low levels and much colder at the high levels.

Hawaii is in the tropics the warm, moist climate is good for the formation of thunderstorms. However, the upper atmosphere in the tropics is warm compared to the middle latitudes, meaning the atmosphere does not usually become very unstable. As a result, thunderstorms may be common, but they usually don't get to be very strong and are very rarely strong enough to produce tornadoes.

The National Severe Storms Laboratory (NSSL) is responsible for monitoring and studying tornadoes and other severe weather. Activity i also monitored by the Storm Prediction Center (SPC) and the National Climatic Data Center (NCDC).

No single air mass "causes" tornadoes. This is Tornadoes form within thunderstorms. Thunderstorms form best when there is plentiful warm, moist air. So, a arm, moist air mass is usually present. Significant tornado activity, however, usually results from the thunderstorms that form near the boundaries between air masses. Usually where a warm, moist air mass meets a cooler or drier air mass.

No, there are not a lot of tornadoes in Peterborough Ontario. In all of Canada, there are approximately 80 - 100 tornadoes a year. Since 1985, the Petersborough-Kawarthas area had had six tornadoes.

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The largest tornado on record for South Dakota appears to be an F3 tornado that occurred on June 20, 1968 near Alexandria. It was a mile and a half wide.

Objects can be picked up by tornadic winds and become deadly projectiles. Structures can collapse, potentially crushing people inside. People can even be picked up and hurled to their deaths.

See the link below for an image of the symbol used in weather reports.

In addition, on a radar image, a tornado vortex signature may be marked by a triangle with one corner pointing down.

800 tornadoes per year is an outdated statistic for the average annual number of thrnadoes in the United States. Improved detection in the past 20 years or so has shown that the real average is closer to 1,200 per year.

Tornadoes can destroye structures and cause varying degrees of damage. Te extent of damage depends on the strength of the tornado and the type and quality of the structure. Damage can range from minor loss of roofing and siding, to the loss of the roof, to complete destruction. Some structures may be completely blown away.

short terms:

rebuild houses

Long term:

community broke down/ damage

environment is in the primary and secondary succession

Work has primarily been on improving warnings. Better warnings will mean people will be better able to get to a safe place. This will result in fewer people being hurt or killed.

Most tornadoes originate within a rotating mass of air in a thunderstorm called a mesocyclone. Under the right conditions, a downdraft can wrap around the mesocyclone, causing the circulation to tighten and intensify, while at the same time stretching toward the ground.

There have been tornadoes in Cactus. The town was hit by an F0 tornado on June 3, 1974 and an EF2 tornado on April 21, 2007.

Wikianswers does not perate on time scale fast enough to track tornadoes as they occur. For up-to-the minute information you can tune into the Weather Channel or check the National Weather Service website.