Thunderstorm Calculators



The D-Index Wind Gust Calculator

CAPE (J/Kg)
H7 wind Speed (Knots)

Downburst expected


The Adjusted D-Index Wind Gust Calculator

CAPE (J/Kg)
Actual Storm Direction (off RADAR)
H7 Wind Direction and Speed (Knots)


Downburst expected


Computed NCAPE value

CAPE (J/Kg)
Tropopause Level (meters)
Level of Free convection (meters)

NCAPE Value (J/Kg)


Computed VIL of the Day

H5 Temperature

VIL of the Day


Experimental Projected Max Daily VIL

NCAPE (J/Kg)
Precip Water Value (ins)

Projected Max Daily VIL