$c_{p,a}$	Air specific heat (J m${}^{-2}$ kg${}^{-1}$)
$c_{p,i}$	Ice specific heat (J m${}^{-2}$ kg${}^{-1}$)
$c_{p,w}$	water specific heat (J m${}^{-2}$ kg${}^{-1}$)
$D_{a,v}$	Mass diffusivity (m${}^2$/s)
f	freezing fraction
$h_{con}$	Convective heat transfer coefficient (W m${}^{-2}$ K${}^{-1}$)
$h_g$	Mass Transfer coefficient (m/s)
$k_a$	Air thermal conductivity (W K${}^{-1}$ m${}^{-1}$)
$L_{lat}$	water latent energy of fusion (J/kg)
$L_v$	Latent heat of vaporization (J/kg)
$Le$	Lewis number
$LWC$	Liquid Water Content (g/m${}^3$)
${\dot{m}}_{ice}$	mass flux of ice formed in the surface (kg m${}^{-2}$ s${}^{-1}$)
${\dot{m}}_{im}$	mass flux of water that impinges the surface (kg m${}^{-2}$ s${}^{-1}$)
${\dot{m}}_{rb}$	mass flux that enters in the control volume (kg m${}^{-2}$ s${}^{-1}$)
${\dot{m}}_{out}$	the mass flux that leaves that control volume (kg m${}^{-2}$ s${}^{-1}$)
${\dot{m}}_{evap}$	the mass flux of water that is evaporated (kg m${}^{-2}$ s${}^{-1}$)
$P_{vs}$	Saturated Vapour pressure (Pa)
$P_{st}$	Static Pressure (Pa)
$q_{lat}$	impinging water gained Fusion heat flux (W m${}^{-2}$)
$q_{evap}$	Water evaporation loss heat flux (W m${}^{-2}$)
$q_{sens}$	Sensible heat flux (W m${}^{-2}$)
$q_k$	Kinetic droplet gained heat flux (W m${}^{-2}$)
$q_{nc}$	Net convective heat flux (W m${}^{-2}$)
$q_c$	Convective droplet heat flux (W m${}^{-2}$)
$q_{fric}$	frictional gained heat flux (W m${}^{-2}$)
s	Surface distance (m)
$T_{st}$	Static temperature (K)
$T_{mp}$	Melting point temperature (K)
$T_{rec}$	Recovery temperature (K)
$T_{sur}$	Surface temperature (K)
$V_e$	Airspeed in the exterior of the boundary layer (m/s)
$V_{\infty }$	Airspeed (m/s)
x	Horizontal distance (m)