How old were you when The National Weather Service in the United States switches from the Fujita scale to the new Enhanced Fujita scale to …?

The National Weather Service in the United States switches from the Fujita scale to the new Enhanced Fujita scale to measure the intensity and strength of tornadoes.

The National Weather Service in the United States switches from the Fujita scale to the new Enhanced Fujita scale to … happened on 2007-02-01. If you were born in 1995, you were about 12 — set your birthday for your exact age.