HOW COMMON IS THIS DISASTER ?
Tornadoes generally occur in the transition zone between the masses of polar and tropical air , between 20 ° and 50 ° latitude on either side of Ecuador , still rare at latitudes greater than 60 °, where the air contains moisture and the temperature necessary for the formation of this phenomenon in the equatorial region , where the atmosphere does not have the capacity to develop a severe storm of such magnitude instability.
|
WHERE DOES THIS DISASTER NORMALLY OCCUR?
Some people say that you can see tornadoes almost everywhere,the vast majority occur in the US, where the average is about 1,200 a year. They are most common in the spring, but they can occur at any time of the year. Worldwide the peak time for them is 5 pm, but one of deadliest in history, the Gainesville Tornado, occurred at 8.30 am local time. 99. 75 percent of the world's tornadoes occur in the United States. Among residents ' tornado alley ' , the downtown area of the country where these phenomena are concentrated, the destruction of residential areas is a common story.
|
DURING WHAT TIME OF YEAR DOES THIS DISASTER MOSTLY OCCUR?
Tornadoes mostly tend to occur durring the late spring to early summer in United States. So April, May and June is typically the months in which most tornadoes occur, but tornadoes can and do occur durring any month of the year. Tornado seasons are very different in different parts of the United States. In the Southeast, the season for the most tornadoes is February through April. In the northern Plains, tornadoes are most likely to develop from June through Agust. So generally, tornado frequincy is high in the South in late winter and early spring; and in the Plains, Midwest and Ohio Valley from
how often can you expect this disaster to happen?
Tornadoes can occur at any time of the year and just about anywhere in the world, though they generally occur during spring and summer.The months with the greatest number of tornadoes overall are April, May, and June, but tornadoes can and do occur during any month of the year. Tornado seasons vary in different parts of the United States. In the Southeast, the peak season for tornadoes is February through April. In the northern Plains, tornadoes are most likely to develop from June through August. Generally, tornado frequency is high in the South in late winter and early spring; and in the Plains, Midwest, and Ohio Valley from early spring through summer. However, sometimes tornadoes will develop in areas in which no tornado watch or warning is in effect, so stay alert for changing weather conditions.
I got this information from:
http://www.imn.ac.cr/educacion/tornado.html
http://www.eltiempo.com/archivo/documento/CMS-12824303)
http://www.disastercenter.com/guide/tornado.html
http://www.weather.com/encyclopedia/tornado/forecast.html