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On Sun, 19 Jan 2025 19:37:10 -0500, bitrex <user@example.net> wrote:It doesn't work that way.
On 1/19/2025 5:18 PM, Cursitor Doom wrote:Maybe because we have thousands of times more sensors than we had inOn Sun, 19 Jan 2025 16:36:08 -0500, bitrex <user@example.net> wrote:>
>On 1/19/2025 4:49 AM, Liz Tuddenham wrote:>Bill Sloman <bill.sloman@ieee.org> wrote:>
>
[...]The proposition that radiant heat generated by one burning would set off>
an adjacent house is pretty dumb. Fire codes are written to make sure
that houses aren't vulnerable in that way.
In that case, what spread the fire?
>
>
Embers can fly up to 20 km depending on fuel and weather conditions, and
during high winds fire breaks are useless.
>
Observe embers from this doorbell cam:
<https://www.instagram.com/abc7marccr/reel/DEny6FGSX1f/>
I don't doubt embers could have spread the original fires. What's
puzzling is how the hell could they have got massive and out of
control in the first place.
>
2024 was globally the hottest year on record,
previous millenia.
But an increase of a maybe a hundred milliKelvins does not explain theThe average global temperature was 1.5 Kelvin above the long term average (since the end of the last ice age), but fires reflect local temperatures, not the global average.
LA fires.
and Los AngelesWhat it takes is a high wind and very dry grass. If you mowed a couple of miles of dry grass you you might be able to create an effective fire-break, but mowers need flat ground.experienced its warmest summer ever, following a decade of record heat.It takes real stupidity to let a house to be burned up by a grass
It's mitigated somewhat when the winter rains show up but this year they
didn't show up.
>
The hills above Altadena/Pasadena have had lots of burns controlled and
otherwise in recent years but after a certain percentage of the larger
trees are gone (from climate change or logging/development or otherwise)
they controlled burns don't do shit except let even more flammable
invasive species in. The hills up there were covered in foxtail:
>
<https://californiaagnet.com/2021/04/20/the-many-faces-of-foxtails/>
>
the stuff burns like newsprint
fire.
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