Sometimes the winds push up air above them, forming a shelf cloud or detached roll cloud.Ī derecho is a widespread, long-lived wind storm that is associated with a band of rapidly moving showers or thunderstorms. Gust fronts are characterized by a wind shift, temperature drop, and gusty winds out ahead of a thunderstorm.
Downburst is the general term for all localized strong wind events that are caused by a strong downdraft within a thunderstorm, while microburst simply refers to an especially small downburst that is less than 4 km across.Ī gust front is the leading edge of rain-cooled air that clashes with warmer thunderstorm inflow. Ī downburst is the general term used to broadly describe macro and microbursts. Microbursts are generally small and short-lived. A microburst is a small concentrated downburst that produces an outward burst of strong winds at the surface.
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