Tornado’s a force of nature

Cyclone, Forward, Hurricane, Storm


A Tornado is a violent, churning maelstrom of whirling winds sometimes full of debris which destroys everything in its path. They are one of the most violent and unpredictable forces in nature that can often strike without warning carrying innocent people by complete surprise.

Tornadoes do occur in many parts of the world but they are found most frequently in the spring and summer months over the Central Plains of the USA. In a normal year eight hundred tornadoes are reported here resulting in eighty deaths and nearly fifteen hundred injuries.

These super cell thunder storms are triggered by a special blend of cold air from the north, warm moist air from the Gulf of Mexico from the south and dry air from the desert south-west. Sustained by strong winds these ingredients can form super cell thunderstorms that can produce tornadoes.

The Fujita Scale for tornadoes was invented in 1971. It’s a scale for rating tornado intensity based on the damage they inflict on structures and vegetation. The scale reads as follows:

F0 Light
F1 Moderate
F2 Considerable
F3 Severe
F4 Devastating
F5 Annihilating

Some of the most recent recordings of tornadoes include:

May 3, 1999 ‘The Moore Oklahoma City F5’. This tornado grew for a mile wide spinning at 300 mph traveling a distance of more than 35 miles for 40 minutes. This tornado caused more than one billion dollars damage. Thirty six people lost their lives and five hundred and eighty three people were injured.

It was on the floor for 20 minutes and devastated the town of Manchester, South Dakota. A wedge tornado is the point where the distance across the tornado is larger than the distance to the cloud base in the ground. They may touch down as the slender funneled tornado and sustained by winds usually of 200 mph stir up dust and dirt enlarging the base width.

May 12 2004 ‘Attica Tornado’. This tornado was 200 yards wide and travelled 2 kilometers. It was the worst of quite a few tornadoes to hit Kansas was that year.

It caused extensive damage to several communities.

Tornadoes follow along a path determined by the storms mobile itself. If it undergoes a change in direction you must have the time to make adjustments accordingly. It is the unpredictability of tornadoes which make them such deadly forces of nature. If you must ask’how close is too close?’ then you probably are.

How does one survive a tornado? Experts agree that taking shelter under an overpass affords almost no security and it may be among the worst decisions you can make. The reason is that the higher you go up a tornado, the greater the wind speed. By ascending to the girders of the overpass there is more danger here of a wind tunnel sucking or blowing you out of the overpass.

It’s the debris in tornadoes like wood glass and metal travelling at 200 mph which causes fatalities and shreds structures in their path. Seek shelter indoors at the lowest level rather a basement. If outdoors however, take cover in a low area such as a ditch.

The threat of tornadoes will always be present and the only way to make ourselves less vulnerable to tornadoes is to build a storm shelter in our home. If you do nothing to enhance the construction of your house, you will have no security at all.

The unpredictability of tornadoes can surprise even the most seasoned storm chasers and the most educated meteorologists. These specialists spend months trying to chase down these elusive twisters but all too often tornadoes touch down where people least expect them to attack. No amount of study will render tornadoes totally predictable. There are so many environmental variables that come into play. It is therefore extremely challenging to have the ability to alert the public to the threat of a tornado.

A tornado warning is an alert issued by climate services to inform areas that a tornado or funnel cloud has been spotted or their radar show indications of a possible tornado. It is the hope of every weather forecaster that the public are taking heed of the information being supplied to them. You can find more information online about Tornado safety.

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