${\rho }_{0.65}$	TOA reflectance in the 0.65 μm band
${\rho }_{0.86}$	TOA reflectance in the 0.86 μm band
$T_4$	TOA brightness temperature in the 4 μm band
$T_{11}$	TOA brightness temperature in the 11 μm band
$T_{12}$	TOA brightness temperature in the 12 μm band
$\mathrm{\Delta }T$	$\mathrm{Brightness} \mathrm{temperature} \mathrm{difference} (=T_4-T_{11})$
$T_d$	Brightness temperature change over 10 min in the 4 μm band
$\overline{T_4}$	Mean brightness temperature in the 4 μm band
$\overline{T_{11}}$	Mean brightness temperature in the 11 μm band
$\overline{\mathrm{\Delta }T}$	Mean brightness temperature difference
$\overline{T_d}$	Mean brightness temperature change over 10 min in the 4 μm band
${\delta }_4$	MAD brightness temperature in the 4 μm band
${\delta }_{11}$	MAD brightness temperature in the 11 μm band
${\delta }_{\mathrm{\Delta }T}$	MAD brightness temperature difference
${\delta }_d$	MAD brightness temperature change over 10 min in the 4 μm band
$\delta {\prime }_4$	MAD brightness temperature in the 4 μm band rejected as background fires
$H_e$	Effective humidity
TOA	top of the atmosphere
MAD	mean absolute deviation