meteoptic-l [ät] ursa.fi
message archive
This is meteoptic-l [ät] ursa.fi message archive.
Note, your can reply the messages on this page only if your
are already subscribed the list.
» To the end of the list/message
Hi Jun,
It is great to hear that I am not the only one in Philippines who is
interested in halos. I've been staying in Philippines for about 2 years
and
seen a lot of halos there. Once I carried out a halo project in Siquijor
island. I stayed there five months and got 170 displays (counted with the
system: one day of halos - one display, one night of halos - one display).
My
one year record in Finland is 246 displays so it seems that quantitatively
Philippines is better. During the time I stayed in Siquijor Ialso got 50
days
of halos in a row - halos continuously everyday for 50 days. That's my
record.
In Finland, for any halo observer, the best rows are only about 15 days
long.
Well, I have to admit that the quality of the halos in Philippines was not
so
good as in Finland. Everyday high clouds gave usually only 22 halo,
circumzenithal arc and stuff. But when the Typhoons came there was almost
always pyramidal crystal halos, most often 9 halo - usually extremely
faint,
though. I have also seen bright circumscribed halos in Typhoon clouds.
There
was this very bright one last January (of February - can't remember
exactly
now) in Luzon area. It was announced in the end of ABC Big News and people
were told to go out and check it out. Well, I had already photographed it
before I watched the news. Did you see it, Jun?
Reflection halos are for some reason missing almost totally in
Philippines.
I have seen in Philippines only one sun pillar and two or three faint
patches
of parhelic circle extending outwards from parhelion.
It depends a lot on where you live in Philippines how much you see halos.
Luzon inland (Angeles City) is not good for halos. Possibly it is due to
more
"continental" climate. Despite my long stay in Manila, I haven't seen any
good halos there. I think that the "Typhoon side", i.e. east side of the
Philippines is better since the high clouds that are related to Taifuuns
hit
that area better. Also the amounts of halodisplays are smaller in Manila.
Siquijor got remarkably worse in halos in January when the dry season came
in
so I left the place.
Jun, it would be nice to hear more halonews from you in a future. The
magic
word for the halos in Philippines is "Typhoon". If you know the Typhoon is
approcahing the Philippines, keep on eye on the white high cloud that
arrive
before the rain. A nice display is almost a rule.
Marko Riikonen
marko.riikonen_at_ursa.fi
|