Leto2 wrote:
"nv55" escribió en el mensaje
oups.com...

I know i'm late with this, but i am just totally shocked that hurricane
Wilma reached a lower pressure than Gilbert's 888 mb in 1988. Wilma
hit 882 mb! - i never thought what was a tropical depression a few
days ago, late in the season, would smash Gilbert's pressure record.
un****ingbelievable.



And, to have a comparison, what's the pressure inside a tornado ? i.e. in
the eye of a twister ? Is it negative ?

As far as I recall, pressure inside a tornado vortex has
not yet been measured, but the estimates I recall reading
about several years ago were down around 900 mb.

Pressure could not be negative. Pressure represents the
weight of the air in the column above you, which is a
positive quantity.


Why are there tornadoes around the hurricanes ? I thought they were very
distinct phenomenoms ?

Tornadoes emerge from thunderstorms, and hurricanes are
large organized systems of thunderstorms. Given the correct
wind profile in the lowest part of the atmosphere, any
thunderstorm in a humid environment can produce a tornado.
Sometimes the environment in parts of a hurricane will
support a tornado because the wind profile will allow it.
So yes, tornadoes and hurricanes are distinct phenomenon.
But one does not preclude the other.

Scott