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Author Topic: Large area tree fall  (Read 833 times)

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Offline mfraser

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Large area tree fall
« on: April 05, 2018, 10:27:54 AM »
Hi, first time here, with a question if I  may?

What is the term used to describe an area of a forest where a wind (Chinook or the like) has produced a swath of trees down. the Phenomenon is a 'scar' on that area which tends to advance (as observed from nearby higher ground)with the prevailing winds over the years, as exposed trees on the lee side of the gap are toppled in succession by ensuing storms. 

thanks for any suggestions.


Offline Klunker

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Re: Large area tree fall
« Reply #1 on: April 05, 2018, 02:14:37 PM »
Windthrow is the term I think your looking for.

Offline reride82

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Re: Large area tree fall
« Reply #2 on: April 05, 2018, 02:22:21 PM »
I've always heard those areas/storms called microbursts.

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Offline mike_belben

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Re: Large area tree fall
« Reply #3 on: April 05, 2018, 02:47:01 PM »
windthrow and blowndowns are what i think of them as.

Are the trees snapping off or is the whole root system turning up?  

Shallow soils over rock ledge are prone to blowdowns during heavy wind and rain.  Really wet soil lubes up the whole rootball pretty good.   Once this hole is made in the forest its natural for the next wave to go over.  They are taking a bigger brunt of open wind and are lacking their former partners to lean on. 
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Offline TKehl

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Re: Large area tree fall
« Reply #4 on: April 05, 2018, 03:38:53 PM »
I hear windfell as well.  I think windfell is the verb and windthrow the noun.  Though some use interchangeably.
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