Torcon Index For Tomorrow - Elk Grove Police Helicopter Activity Todaylibrary Detail Your local forecast, plus. Torcon is not a scientific index of tornadic threat. It was created by dr. Greg forbes solely to drives views to the weather channel. The parameter the meteorology community uses in. The torcon index, or tornado condition index, is a measure developed by meteorologist dr. Greg forbes to estimate the risk of tornadoes within a particular area. A value of 5 translates to a 50% chance of a tornado, an indicator to be taken seriously.
Elk Grove Police Helicopter Activity Todaylibrary Detail