Why “anvil shading” hijacks your thunderstorm hopes

How many times have you seen this scenario play out during the Monsoon: early afternoon, dark storm clouds move in your direction. Big lightning bolts, loud thunder, the sun fades fast. It seems inevitable that you’re going to get soaked. And then…nothing. Just a gray malaise & maybe a few drops of rain.

Anvil Shading: the kryptonite to Tucson meteorologists
Anvil Shading: the kryptonite to the 4WARN meteorologists

What gives?

Welcome to the world of “anvil shading”. The video below explains how these high-based clouds are a Monsoon killjoy.


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