Other Local Winds - Haboobs

• A haboob is a sand and/or dust storm

• generated as a thunderstorm produces a downdraft of cold air

• the downdraft air descends, strikes the surface and spreads out generating strong surface winds

• the strong surface winds are able to loft sand and dust into the air

• the leading edge of the cold, sandy, dusty air is called the thunderstorm gust front

• an image Google search will result in many haboob photos.

• More local winds around the world:

QUESTION FOR THOUGHT:

Show, with the aid of a diagram, what atmospheric and topographic conditions are necessary for an area in the Northern Hemisphere to experience hot summer breezes from the north.