The 2014 is likely to be below the annual average number of tornadoes like 2013.
The number of tornadoes that occurred worldwide in 2012 is not known. The United States experienced 940 recorded tornadoes, making it a below-average year.
For monthly and annual averages in the Vatican, click on the link below.
The annual mean rain average for Alice Springs is 267.1 mm, and the annual median rainfall is 252.9 mm. For more details, see the related link below.
South of the equator most tornadoes spin clockwise.
There have been many F4 and EF4 tornadoes. Tornadoes of this intensity have been known to hit the U.S., Canada, Mexico, The UK, Germany and are believed to have struck a number of others. The link below shows the locations of F4 and EF4 tornadoes in the U.S. from 1950 through 2010.
Yes. There have been documented cases of tornadoes merging. See the link below for a video of this happening.
They form they same way as other tornadoes do. See the link below for information on how tornadoes form in general.
34 years 41 years
The link below has a list of all tornadoes recorded in the U.S. in the years 1950-2010 and will soon include 2011.
The average Atomic Mass
The National Weather Service records 63 tornadoes in Oklahoma in 2012. See the link attached below.
207 tornadoes in 24 hours, recorded on April 27, 2011. which shattered the previous record of 148 set on April 3-4 1974. Of these tornadoes 4 were rated EF5, and 11 were rated EF4, ranking it second in number of F5/EF5 tornadoes and third in number of violent tornadoes.