secondary bands
Squall lines in the form of spirals accompanying tropical cyclones.
Secondary bands generally lack local swirling wind maxima and are fixed to the cyclone motion or the environmental shear, in contrast with the principal band.
Squall lines in the form of spirals accompanying tropical cyclones.
Secondary bands generally lack local swirling wind maxima and are fixed to the cyclone motion or the environmental shear, in contrast with the principal band.