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Outdoor & Recreation
Safety and Survival
Australian Bushfire advice and information
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<blockquote data-quote="Bush Chook" data-source="post: 475019" data-attributes="member: 14633"><p>That tiny thing on the weather radar was called a pyro-cumulus LW. </p><p>Where the heat from the fires is so intense that the air rises to higher than it normally would, and at some speed, it does two things: It creates friction (and hence the lightning), and the rising air cools down sufficiently to condense out the water vapour it is carrying. That's the visible cloud. Same process, except the cause of the convection is the fire rather than anything else.</p></blockquote><p></p>
[QUOTE="Bush Chook, post: 475019, member: 14633"] That tiny thing on the weather radar was called a pyro-cumulus LW. Where the heat from the fires is so intense that the air rises to higher than it normally would, and at some speed, it does two things: It creates friction (and hence the lightning), and the rising air cools down sufficiently to condense out the water vapour it is carrying. That's the visible cloud. Same process, except the cause of the convection is the fire rather than anything else. [/QUOTE]
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Outdoor & Recreation
Safety and Survival
Australian Bushfire advice and information
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