There were many tornadoes in Oklahoma on May 3, 1999, including the infamous F5 that hit the Oklahoma City area, all stemming from the same root cause. The outbreak as a whole was produced when a pair of low pressure systems pulled in warm, moist air from the south. cooler air from the north, and dryer air from the west. This produced a combination of a cold front and dry line that caused very strong thunderstorms to start forming. A strong upper level jet of wind produce wind shear which set those storms rotating. Some of those storms would go on to produce violent tornadoes. See the related question below for more information on what causes tornadoes in general.
The 1999 Oklahoma tornado was caused by a combination of atmospheric conditions. It occurred during a severe weather outbreak with instability in the atmosphere, warm moist air, and wind shear. These conditions created a powerful supercell thunderstorm that produced the tornado.
The Moore, Oklahoma tornado of 1999 caused $1 billion worth of damage. This works out to $1.4 billion in 2014 amounts.
The Oklahoma City tornado of 1999 occurred in Tornado Alley, but so is every tornado in the central part of Oklahoma.
The Oklahoma City tornado of May 3, 1999 killed 36 people.
The most famous tornado today is most likely the Oklahoma City tornado of May 3, 1999. That tornado caused approximately $1 billion in damage.
That tornado killed 36 people alone in Oklahoma city and 50 in the 1999 outbreak
Assuming you mean the F5 tornado that touched down in Oklahoma on May 3, 1999, that tornado lasted 1 hour and 25 minutes.
There were many tornadoes in Oklahoma that day, but the infamous Oklahoma City tornado was an F5.
the next anniversary of the may 3rd tornado in Oklahoma is in 2011
The Moore, Oklahoma F5 tornado of 1999 dissipated just outside Midwest City.
Although there were many tornadoes in Oklahoma on May 3, 1999 you are most likely referring to the F5 that hit the Oklahoma city area. That tornado was 1 mile wide.
Approximately $1.5 billion in 1999 amounts which is equivalent to about $2 billion today. About two thirds of that damage was from one tornado.
Oklahoma city was devastated by a mile wide F5 tornado on May 3, 1999.