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Tornadoes

Tornadoes are nature’s most violent storms. Spawned from powerful thunderstorms, tornadoes can cause fatalities and devastate a neighborhood in seconds. A tornado appears as a rotating, funnel-shaped cloud that extends from a thunderstorm to the ground with whirling winds, which can reach 300 miles per hour. Damage paths can be in excess of one mile wide and 50 miles long. Every state is at some risk from this hazard.

Some tornadoes are clearly visible, while rain or nearby low-hanging clouds obscure others. Occasionally, tornadoes develop so rapidly that little, if any, advance warning is possible.

Before a Tornado

Before a tornado hits, the wind may die down and the air may become very still. A cloud of debris can mark the location of a tornado even if a funnel is not visible. Tornadoes generally occur near the trailing edge of a thunderstorm. It is not uncommon to see clear, sunlit skies behind a tornado.

The following are facts about tornados:

  • They may strike quickly, with little or no warning.
  • They may appear nearly transparent until dust and debris are picked up or a cloud forms in the funnel.
  • The average tornado moves southwest to northeast, but tornadoes have been known to move in any direction.
  • The average forward speed of a tornado is 30 MPH, but may vary from stationary to 70 MPH.
  • Tornadoes can accompany tropical storms and hurricanes as they move onto land.
  • Waterspouts are tornadoes that form over water. Tornadoes are most frequently reported east of the Rocky Mountains during spring and summer months.
  • Peak tornado season in the southern states is March through May; in the northern states, it is late spring through early summer.
  • Tornadoes are most likely to occur between 3 and 9 p.m., but can occur at any time.

Tornado Safety Procedures

Before

A NOAA Weather Radio and OCAlert can help alert your family or business of storms capable of producing a tornado.

The following are signs of a possible tornado:

  • Dark, often greenish sky
  • Large hail
  • A large, dark, low-lying cloud (may be rotating)
  • Loud roar, similar to a freight train

If you see or hear of any of these dangerous signs, be prepared to seek shelter immediately.
Source: FEMA

During

If you are under a tornado WARNING, seek shelter immediately!

If you are in:
Then:
A structure (e.g. residence, small building, school, nursing home, hospital, factory, shopping center, high-rise building)Go to a pre-designated shelter area such as a safe room, basement, storm cellar or the lowest building level. If there is no basement, go to the center of an interior room on the lowest level (closet, interior hallway) away from corners, windows, doors and outside walls. Put as many walls as possible between you and the outside. Get under a sturdy table and use your arms to protect your head and neck. Do not open windows.
A vehicle, trailer, or mobile homeGet out immediately and go to the lowest floor of a sturdy, nearby building or a storm shelter. Mobile homes, even if tied down, offer little protection from tornadoes.
The outside with no shelterLie flat in a nearby ditch or depression and cover your head with your hands. Be aware of the potential for flooding.

Do not get under an overpass or bridge. You are safer in a low, flat location.

Never try to outrun a tornado in urban or congested areas in a car or truck. Instead, leave the vehicle immediately for safe shelter.

Watch out for flying debris. Flying debris from tornadoes causes most fatalities and injuries.

Source: FEMA

After

After a tornado, extensive cleanup is usually necessary.

If you require immediate medical assistance, dial 911.

The Citizen’s Information Line (407.246.4357) is activated after a major storm and can be a very useful resource after a tornado. Call 407.246.4357 (HELP) after the storm for non-emergency information.

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