intesne LP system to form,at 927mb!!!

[KWT]

just thought I would make a topic on a LP system that may rapidly deepen at around 108hrs.

Infact it'll deepen down to around 940/935mbs which is very deep indeed and is infact progged to give sustained winds of over 50kts for a large area,infact on GFS wind it looks just a tad like a hurricane

here it is,when it forms I'll show you a saitlite image,I'm sure it'll be most impressive!



and heres the wind chart:

[James]

It sure will be impressive! Looks like it's gonna be a rough run-up to Christmas this year.

[P.K.]

It does look fairly deep. http://129.13.102.67/pics/brack4a.gif

[KWT]

this is gonna be a very very deep storm indeed,infact at 927 it's gotta rank in the top 10 of the lowest pressures ever recorded outside of tropical systems and tornadoes.

It truely is an amazing system,and is progged to have sustained hurricane force winds around it as well as a eye,so it should be something very special to look at when it finally does form to its max!

[P.K.]

Wow, very tightly packed isobars here (The 6am model run):

[KWT]

does anybody know how high the winds would go with isobars that packed,I expect its got sustained winds of a hurricane,but you'll see what I mean when I say it looks like a hurricane:







I can't wait till it really gets going and actually starts to look impressive.

[P.K.]

does anybody know how high the winds would go with isobars that packed,I expect its got sustained winds of a hurricane,but you'll see what I mean when I say it looks like a hurricane:

If you look at the MetO FAX charts the scale on the top left is an indication of the geostrophic wind speed. The wind speed at sea level will be between 0.7 and 0.9 times this value over the sea. 0.9 is the maximum value and usually applies for deep systems like hurricanes.

You can also work it out directly by looking at the FAX chart and doing some calculations. Just got to remember how to do it. (Haven't done it in a while and I don't have those notes with me)

[P.K.]

Looking at the 108hr MetO FAX chart where the isobars are most tightly packed I get a wind speed of 61m/s. Seems a bit high to me though (That is about 122kts ) I've probably gone wrong somewhere in my calculations...