Before a hurricane, storm clouds appear first as wispy cirrus clouds high in the atmosphere, followed by organized banding of lower-level clouds and increasing humidity. A tropical disturbance begins with clusters of thunderstorms as warm, moist air rises and condenses.
Before a hurricane, storm clouds appear first as wispy cirrus clouds high in the atmosphere, followed by organized banding of lower-level clouds and increasing humidity. A tropical disturbance begins with clusters of thunderstorms as warm, moist air rises and condenses.