Dust Devils inspire awe in Anza

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Short-lived, potentially violent, whirlwinds are a common occurrence in the Anza Valley. Known as dust devils, the whirlwinds twist from west to east most summer days locally. A dust devil was spotted and recorded by several Anza residents Thursday, July 1, as it spun its way through the dry fields. Dust devils form when heated air at the Earth's surface rises rapidly into much cooler air above it, forming an updraft. The hot air causes a spinning motion much like a tornado. The main vertical movement is upward. Dust devils are short-lived because the cooler air eventually gets pulled in and dissipates the whirlwind. The columns of rotating air become visible when they form over desert-like terrain, picking up dirt, sand, dust and debris as they twist. This interesting weath
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