#WxGeekSpeak: Pressure Gradient

Every week, the blog introduces you to a technical term from the American Meteorology Society’s “Glossary of Meteorology”. Welcome to #WxGeekSpeak!

Tucson’s about to endure a prolonged stretch of breezes. Click the video above to see why pressure gradient drives the wind & how it relates to your garden hose.

Full definition of pressure gradient: (In meteorology, also called barometric gradient.) The rate of decrease (gradient) of pressure in space at a fixed time. The term is sometimes loosely used to denote simply the magnitude of the gradient of the pressure field.

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