Springcreek2{at}aol.com wrote:
>
> What are the meanings of
> this post:THE VERY WARM EYE AND VERY COLD CONVECTION IS YIELDING AN UNUSUAL
> > DT OF 8.0.
DT stands for "Dvorak technique". This is similar to our "Category 1-5
Hurricane Scale" here in the atlantic. Loosley defined by
http://www.bbsr.edu/rpi/meetpart/et/paper/etmain.html
, it's "A method used to estimate the intensity of tropical cyclones
based on satellite observations. This is the
standard technique employed operationally by analysts at tropical
centers around the world. It relies on image-pattern
recognition along with analyst interpretation of the vigor and
organization of convection surrounding the storm center."
A more lengthy explanation is here:
http://www.nrlmry.navy.mil/~chu/chap6/ch6apb.htm
And an intensity table is here:
http://www.nrlmry.navy.mil/~chu/chap6img/tabb01.jpg
Notice 8.0 is the highest possible rating, and in the text that I sent
they noted that they thought it may have reached that: "AS HIGH AS AN
8.0 WHICH IS A RARE INTENSITY FOR ANY STORM TO BE ABLE TO REACH IN ANY
OCEAN BASIN"
> We know this is a terrible storm, but what makes it so big,
I don't think they really know specifically - in general, storms get
near that strength much more often in the Pacific vs. the Atlantic
because there is so much warm water and so little land.
> and does la nina
> have anything to do with it?????
I don't think so.
> Also, when we go to the link given for the
> sat photo, where is the best place to see the real-time sat photo of it??
http://www.npmoc.navy.mil/jtwc.html has some more satellite info and a
tracking map. This is the official hurricane site for the western
pacific. The other URL's I sent may also provide good imagery. I would
also recommend:
http://wwwghcc.msfc.nasa.gov/GOES/globalir.html
That is NASA's excellent satellite site. They also have a zoom of the
GMS satellite but it's dated Aug 21, 2000 so I'm guessing it's not
working ;)
> has there ever been one this big before?
As stated in the email, this URL lists a really big one in '97 and also
notes the biggest one of all from 1979.
http://www.weatherwatchers.org/tropical/1997/keith/
--
==============================================================
Jesse Ferrell - Meteorologist/Web Dev. - j{at}weatherwatchers.org
Central Atlantic Storm Investigators - www.weatherwatchers.org
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This archive was generated by hypermail 2b29 : Sat Jun 03 2000 - 11:06:24 EDT