Episodes of convective precipitation falling in an area no more than about 10 km wide and for a time period of less than about one-half hour.
Episodes of convective precipitation falling in an area no more than about 10 km wide and for a time period of less than about one-half hour.
Any function of time f(t) is periodic with period t if f(t) = f(t + τ) for all times t, where τ is the smallest number for which this equality holds.
