m.9.wil...@ntlworld.com wrote:
---- Anthony Farr <farranth...@gmail.com> wrote:
I'm in Sydney, which is safe. The fires near here didn't get very bad.
Melbourne's summer climate is much more arid than Sydney's, so fires there
are more frequently close to the flashpoint at which vapourised eucalyptus
oil in the atmosphere will explode into a fireball. Sydney's blanketing
humidity usually suppresses the combustibility of the atmosphere around the
fire front.
I'm finding the news pics we see here decidedly odd. You will see an aerial
shot of maybe a dozen dwellings, all razed to the ground. Around them are
numerous, perfectly flammable trees that have not, apparently, been touched.
In another shot you will see large areas of woodland reduced to grey ash, with
nearby dwellings apparently untouched.
As one sees photos from our forest fires out west in the USA... I
walked around Oakland in the early 90's
after one major fire there where there were untouched houses just a few
strides away from totally demolished ones,
and the photos from the southern california brush fires show similar
oddities...but walking around the area (about a year
after the event, in my case) really drives that home.
ann
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