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Archives 2000s >> 2005 News Talkbacks

Bloodstar
Moderator


Reged: Mon
Posts: 441
Loc: Georgia Tech
Re: Delta... why not?
      Wed Nov 23 2005 01:30 AM

Quote:

But it doesn't look like the tropical storms I've been seeing and learning about all season. It doesn't look very tropical. On the water vapor the temperature of the center isn't all that warm, the convection doesn't look the same like I'm used to seeing, and there's some kind of lack of, I'm not sure how to put it, but the band doesn't seem like a feeder band, with a force driving the convection into the center. It's more like a group of clouds that are all moving around the center, but only because of the rotation, like they're all just sitting in place, like a record on a turntable; staying the same, static. It seems like there is some dynamic that is missing.

Unbelieveably, the Circulation that Wouldn't Die is still spinning and now pulling along some convection as it heads into Central America at the border of Panama and Costa Rica.




You're right, in a lot of ways Margie, these relatively 'cold' tropical systems are an odd entity. they exist in relatively cool waters, forming in isolation from an extra tropical low. even when/if this storm develops an eye, you won't see cloud tops in the -60 - -70 degree range, instead you'll see a ring in the -40's maybe -50's that just look unimpressive compared to the storms that typically form, but there is still winds of 70 - 80mph in the center.

I Know I keep coming back to Olga in 2001, but it really was the Archetype 'cold' warm core system. The system was over relatively cold water (22 - 23 degress centigrade) when it was finally classified first, ST, then tropical storm and then deemed a hurricane.

http://www.nhc.noaa.gov/archive/2001/OLGA_text.html

From:
HURRICANE OLGA DISCUSSION NUMBER 9

AFTERNOON SATELLITE IMAGERY INDICATES AN INTERMITTENT EYE AT THE
CENTER OF OGLA...WHICH AS OF THIS WRITING IS BECOMING BETTER
DEFINED. SATELLITE INTENSITY ESTIMATES ARE 65 KT FROM SAB AND
AFWA...AND 77 KT FROM TAFB. ON THIS BASIS...OLGA IS UPGRADED TO
A 65 KT HURRICANE.

Then later in the discussion:

OLGA IS CURRENTLY OVER 22C-23C SEA SURFACE TEMPERATURES...AND THIS
IS NOT LIKELY TO CHANGE MUCH ON THE CURRENT FORECAST TRACK.

an extra point made in a later disussion:

THE OCEAN IS COOL...BUT ACCORDING THE THE SHIPS
MODEL...THE 200 MB TEMPERATURES ARE COOL ENOUGH TO PRODUCE A
POSITIVE CONTRIBUTION TOWARD INTENSIFICATION

The south atlantic Hurricane was also an example of a 'cold' tropical system. They do pop up from time to time, it just takes several things to happen to create one. Hopefully this will help us all understand hybrid systems and the cool tropical systems when they develop. (The more we can study the better we can understand them)

-Mark

--------------------
M. S. Earth and Atmospheric Sciences, Georgia Tech - May 2019.

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Entire topic
Subject Posted by Posted on
* Delta... why not? HanKFranK Wed Nov 23 2005 01:30 AM
. * * Re: Delta... why not? FloydRTurbo   Wed Nov 23 2005 10:31 PM
. * * Re: Delta... why not? UKCloudgazer   Thu Nov 24 2005 05:25 AM
. * * Re: Delta... why not? FloydRTurbo   Thu Nov 24 2005 12:10 PM
. * * Re: Delta... why not? vineyardsaker   Tue Nov 22 2005 08:11 PM
. * * Re: Delta... why not? Rich B   Tue Nov 22 2005 05:28 PM
. * * Re: Delta... why not? typhoon_tip   Tue Nov 22 2005 06:29 PM
. * * Re: Delta... why not? Margie   Tue Nov 22 2005 06:03 PM
. * * Re: Delta... why not? Clark   Tue Nov 22 2005 07:48 PM
. * * Re: Delta... why not? Old Sailor   Tue Nov 22 2005 07:58 PM
. * * Re: Delta... why not? Clark   Tue Nov 22 2005 08:54 PM
. * * Re: Delta... why not? Old Sailor   Tue Nov 22 2005 09:06 PM
. * * Re: Delta... why not? HanKFranK   Tue Nov 22 2005 09:31 PM
. * * Re: Delta... why not? Old Sailor   Tue Nov 22 2005 09:53 PM
. * * Re: Delta... why not? HanKFranK   Tue Nov 22 2005 11:51 PM
. * * Re: Delta... why not? Margie   Wed Nov 23 2005 12:24 AM
. * * Re: Delta... why not? Bloodstar   Wed Nov 23 2005 01:30 AM
. * * Re: Delta... why not? Clark   Wed Nov 23 2005 01:52 AM
. * * Re: Delta... why not? danielwAdministrator   Wed Nov 23 2005 02:20 AM
. * * Re: Delta... why not? Bloodstar   Wed Nov 23 2005 02:25 AM
. * * Re: Delta... why not? danielwAdministrator   Wed Nov 23 2005 02:32 AM
. * * Re: Delta... why not? dave foster   Wed Nov 23 2005 08:39 AM
. * * Re: Delta... why not? UKCloudgazer   Wed Nov 23 2005 10:39 AM
. * * Re: Delta... why not? dave foster   Wed Nov 23 2005 11:45 AM
. * * Re: Delta... why not? HanKFranK   Wed Nov 23 2005 12:12 PM
. * * Re: Delta... why not? Rabbit   Wed Nov 23 2005 01:57 PM
. * * Why is the NHC not naming this storm? vineyardsaker   Wed Nov 23 2005 02:59 PM
. * * Re: Why is the NHC not naming this storm? Margie   Wed Nov 23 2005 03:41 PM
. * * Re: Why is the NHC not naming this storm? Storm Hunter   Wed Nov 23 2005 03:24 PM
. * * Re: Why is the NHC not naming this storm? Lee-Delray   Wed Nov 23 2005 03:41 PM
. * * Re: Why is the NHC not naming this storm? Trekman   Wed Nov 23 2005 04:17 PM
. * * Re: Why is the NHC not naming this storm? typhoon_tip   Wed Nov 23 2005 04:22 PM
. * * Re: Why is the NHC not naming this storm? Rabbit   Wed Nov 23 2005 03:42 PM
. * * Re: Why is the NHC not naming this storm? HanKFranK   Wed Nov 23 2005 03:57 PM
. * * Re: Why is the NHC not naming this storm? *Killed -- Sent to Graveyard* La Nimo   Wed Nov 23 2005 04:23 PM
. * * Re: Why is the NHC not naming this storm? *Killed -- Sent to Graveyard* dave foster   Wed Nov 23 2005 04:39 PM
. * * Re: Why is the NHC not naming this storm? Random Chaos   Wed Nov 23 2005 05:16 PM
. * * Re: Why is the NHC not naming this storm? Margie   Wed Nov 23 2005 05:37 PM
. * * Re: Why is the NHC not naming this storm? Tak   Wed Nov 23 2005 05:48 PM
. * * Re: Why is the NHC not naming this storm? Tak   Wed Nov 23 2005 05:55 PM
. * * Re: Why is the NHC not naming this storm? tpratch   Wed Nov 23 2005 06:20 PM
. * * Re: Why is the NHC not naming this storm? GuppieGrouper   Wed Nov 23 2005 06:59 PM
. * * Interesting Note danielwAdministrator   Wed Nov 23 2005 07:46 PM
. * * hmmm.. HanKFranK   Wed Nov 23 2005 08:32 PM
. * * Re: hmmm.. LoisCane   Wed Nov 23 2005 09:45 PM
. * * Re: hmmm.. Margie   Wed Nov 23 2005 10:00 PM
. * * Delta Burke's direction..? ltpat228   Wed Nov 23 2005 10:19 PM
. * * Re: hmmm.. emackl   Wed Nov 23 2005 08:40 PM
. * * Re: hmmm.. NONAME   Wed Nov 23 2005 08:48 PM
. * * Re: hmmm.. dave foster   Wed Nov 23 2005 09:18 PM
. * * Re: Why is the NHC not naming this storm? UKCloudgazer   Wed Nov 23 2005 05:48 PM
. * * Re: Why is the NHC not naming this storm? Rabbit   Wed Nov 23 2005 05:06 PM
. * * Re: Why is the NHC not naming this storm? typhoon_tip   Wed Nov 23 2005 04:18 PM
. * * Re: Why is the NHC not naming this storm? Margie   Wed Nov 23 2005 04:04 PM
. * * Re: Delta... why not? ltpat228   Wed Nov 23 2005 08:46 AM
. * * Re: Delta... why not? Lee-Delray   Wed Nov 23 2005 10:48 AM
. * * Re: Delta... why not? ltpat228   Wed Nov 23 2005 11:34 AM
. * * Re: Delta... why not? Rabbit   Wed Nov 23 2005 11:22 AM
. * * Re: Delta... why not? dave foster   Wed Nov 23 2005 11:49 AM
. * * Re: Delta... why not? damejune2   Wed Nov 23 2005 10:24 AM
. * * Re: Delta... why not? Lee-Delray   Wed Nov 23 2005 08:54 AM
. * * December Doombot!   Wed Nov 23 2005 03:30 AM
. * * Re: Delta... why not? danielwAdministrator   Wed Nov 23 2005 01:21 AM
. * * Re: Delta... why not? HanKFranK   Tue Nov 22 2005 09:04 PM
. * * Re: Delta... why not? Bloodstar   Tue Nov 22 2005 07:05 PM
. * * Re: Delta... why not? Rabbit   Tue Nov 22 2005 03:46 PM
. * * Re: Delta... why not? Rich B   Tue Nov 22 2005 04:20 PM
. * * Re: Delta... why not? ltpat228   Tue Nov 22 2005 04:37 PM
. * * Re: Delta... why not? Rich B   Tue Nov 22 2005 02:37 PM

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