Reflectivity of the supercell that produced the Moore, Oklahoma tornado on May 3, 1999. At the time of this radar scan, a tornado was on the ground. Image courtesy NWS. A tornado is a violently ...

On May 3 1999 an F5 tornado broke records with wind speeds reaching 318 mph and left over a billion dollars of damage in its wake Jeff Piotrowski followed the storm from its initiation west of ...

Tornado Emergencies were issued informally for the first time in 1999 as a destructive F5 tornado was heading toward Oklahoma City. According to the National Weather Service, the meteorologists at ...

In 1999 and then again in 2003, Moore took direct hits from tornadoes that took eerily similar paths to 2013's twister. The 1999 storm packed the strongest wind speeds in history, Lt. Gov. Todd ...