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300.0 9260 -49.3 -61.3 23
Originally posted by OzWeatherman
reply to post by cutbothways
Its called cirrus.....can be formed from the spreading of contrails. If you read the link i posted earlier it explains cirrus clouds
Well actually it explains all the cloud types
Originally posted by Maya432
if contrails need certain conditions to form,
then how in the world could they spread out and form clouds. ??
some of the trails thats I have seen that stayed and spread out
where at what appeared to be at a very low altitude where
no trails are supposed to be able to form.
I mean really low and in the dead heat of august.
and in an area that sees little air traffic.
all criss crossed and at all different altitudes.
so...... I don`t know...
now.. I`m in hull, quebec, canada right now.
and I just looked outside and there are criss crossed trails all over
and at all different altitudes and some seem to be way to
low for contrail formation.
if anyone is in the area please take a look.
5pm local time
Maniwaki Observations at 12Z 09 May 2008
300.7 9144 -46.2 -55.2 35
Originally posted by QBSneak000
reply to post by Maya432
I find that without a laser ceilometer or a point of height referance (mountains of a known height) its hard to really tell how high up they are. It may look like only a couple of thousand feet but in reallity it could be well over 10,000 ft.
[edit on 9-5-2008 by QBSneak000]
[edit on 9-5-2008 by QBSneak000]
Originally posted by Maya432
are you saying that the observation shows little or no chance of
contrail......cause there sure are trails that are not going away
and not showing any signs of leaving soon
Originally posted by Essan
Originally posted by Maya432
are you saying that the observation shows little or no chance of
contrail......cause there sure are trails that are not going away
and not showing any signs of leaving soon
Without knowing where you are that's impossible to say. The atmospheric conditions above your location may not be the same as those 100 miles away.