Single Band Development
Absolutely unstable lapse rate (Tlake-T850ᡅC) => vigorous vertical transport of heat/moisture
Cu and precipitation formation release latent heat. This is significant for warm (T>-10C) cases
Sensible and latent heating warm the air, causing meso-low formation. The deeper the clouds, the stronger the low (warm core)
Horizontal thermal convergence into the low below cloud base and diffluence aloft leads to strong mesoscale ascent within the snowband