SWEAT Index - Severe Weather ThrEAT index. A stability index developed by the Air Force which incorporates instability, wind shear, ...
The and Total-Totals Index The was derived by the Air Force, not for putting cadets through basic training but for indicating the potential for severe weather to pilots.
The SWEAT index has the advantage (and disadvantage) of using only mandatory-level data (i.e., 500 mb and 850 mb), but has fallen into relative disuse with the advent of more detailed upper air sounding analysis programs.
Severe WEAther Threat Index (): A stability index developed by the Air Force which incorporates instability, wind shear, and wind speeds.
See also: Air, Earth, Layer, Hail, Severe weather