Thompson Index calculator
TI < 25 no thunderstorm.
TI 25-34 potential of thunderstorms.
TI 35-39 potential of thunderstorms approaching
TI => 40 potential of severe
Use the Index to determine the severity of
Tests on the field (in the States) showed there is a good correlation
between severe weather events and TI >40
Formula used: TI = KI - LI
Note: Java script must be enabled