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As will all years,the tornadoes of 1999 varied greatly in strength. Here is the breakdown of tornadoes in the U.S. by rating in 1999:

F0: 830

F1: 323

F2: 122

F3: 51

F4: 12

F5: 1

The number of F3 and stronger tornadoes in 1999 was well above the average of the past 30 years.

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