ash flow

noun

Geology.

1. an avalanche of volcanic ash.

Example Sentences

“If we have a really hot fire that cooks the vegetation that holds the soil together, we could have increased sedimentation, debris and ash flow,” Johnson said.

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“So you worry about water supply being interfered with in some way, like if there was a big ash flow into one of the reservoirs, and that could cause problems,” Wara said.

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Meanwhile, Nemo urged those remaining on the island to "be careful on the roads, which have become treacherous as a result of the ash flow".

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Nemo is urging residents to "be careful on the roads, which have become treacherous as a result of the ash flow".

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“The efforts are a little stymied because of the ash flow,” she said.

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