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Early reports of the Jaroso Fire mention large areas of "blow-down". Can someone give me some information on how these areas came to be downed?
Quote:
Cause: Lightning
Fuels: Fire is burning in mixed conifer, heavy dead and down fuels with pockets of bug-killed trees. It is burning in a 1300-acre area of downed timber caused by a wind event six years ago
Size: Approx. 8,000 ac. The fire is being observed by air and the heavy smoke has made it difficult to determine the true size of the fire. After last night’s infrared flight, and a fly-over this morning a more accurate size has been determined. We believe the fire is now approximately 8,000 acres.
Apparently a windstorm caused trees to blow down. I don't remember reading anything about it when it happened.
According to Inciweb it happened six years ago. NMFireInfo - "The 1,300 acre blow down was caused from a “microburst” (an intense, localized downdraft of air that spreads on the ground, causing rapid changes in wind direction and speed; a localized downburst) that uprooted trees and created a very dense pile up of trees."
I've seen some dust devils this year that made me glad I was viewing them in a car and not walking in them. They don't seem to be more powerful versions of the same thing since dust devils come from warm air rising and meeting cooler air.
I've watched news reports of the current fires but would like to hear from those of you living in SF - how are they affecting you?
Last year was pretty bad. I was living in a small apartment with bad air flow to begin with.
Opening the window and door was not an option.
Turning on the AC would be fine but it sucks in outside air = smoke.
You really could smell the smoke in town.
This year, right now, its bad but def not as last year.
According to Inciweb it happened six years ago. NMFireInfo - "The 1,300 acre blow down was caused from a “microburst” (an intense, localized downdraft of air that spreads on the ground, causing rapid changes in wind direction and speed; a localized downburst) that uprooted trees and created a very dense pile up of trees."
Sounds like in-line winds. They can be as damaging as tornados, but unlike tornados, where wind/debris is counterclockwise/circular; in-line winds show damage along a straight axis. Back in NJ, wind from the south was so strong that as it passed over our tiny, 200 ft "mountain", trees on the north side were flattened, all in the same direction (facing north). Also of interest, the damage was in the stream-beds and gullies where the wind dropped further (maybe another 30 feet) and accelerated as a result.
I'm sure that with true mountains, with sudden multi-100 ft changes in elevation, the phenomena leading to damage are complex and numerous.
Most A/C's have a recirculating mode, which does not bring outside air in. Called "Turbo Cool" on oneand "Hi - Cool" on the other...
Aha...but that lil apartment, pretty sure it didn't have that feature...hmmm don't recall anymore now..
Q's: You seem to active around here, can you create a Poll to find out Age group of people on this forum?
In 10 years increment: 20-30, 30-40, 40-50, 50-60, 60-70, 70-80, etc...
i tried creating but didn't see option to pick for those box for selecting those options.
Did it seem as bad lower down? I want to hike this weekend and was thinking Borrego-Bear Wallow. I wonder how the Dale Ball trails would be.
I didn't notice it on the drive up. The Aspen Vista hike itself was really bad though. I did Picacho tonight and it was fine.
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