> From the WeatherWatch archives
In this special weather video Philip Duncan discusses the various wind flows that could impact future ash clouds – and what you can do to be prepared for possible ash.
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Before you add a new comment, take note this story was published on 6 Aug 2012.
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Jessica on 7/08/2012 8:41am
Can you please tell me what causes volcanic lightning?
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WW Forecast Team on 7/08/2012 9:24pm
Hi Jessica – this link explains it (scroll down to "electricity")
Cheers!
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