Claudette Disintegrating?

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wxman57
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Claudette Disintegrating?

#1 Postby wxman57 » Wed Jul 09, 2003 1:09 pm

Take a look at the image I just saved:

Image

The image clearly shows a long outflow boundary progressing to the west out ahead of Claudette. It is now very difficult to identify a circulation (at the surface) on satellite. Whenever you see such an outfow boundary moving outward from a tropical storm, it's generally a sign that the end may be near (of a closed circulation).

Now I wonder... The NHC refused to upgrade the "tropical wave" with 45kt sustained wind measured at the surface because recon could find no wind with a westerly component. I haven't seen any recon indicating a closed circulation yet, though we did get 3-4 vortex messages in the last 4-5 hours. If the plane doesn't find any SW-W winds will the NHC downgrade Claudette to a wave at 4pm?

Of course, the answer to that is of course not. In fact, they just indicated it's strengthening based on one 65kt flight level wind about 80-100 miles to the northeast of the center in an isolated squall. They're not at 10,000 ft, they're at 1500 feet, though. So the reduction to sea level would be 30%, or about 45 kts - but only in that squall removed from the center. I haven't seen any indications of surface wind over 40kts from the recon.

My thinking on this one has definitely changed. I just got fed up with the NHC's "track compression". They just stall the storm after 72 hours, refusing to commit to anything. If you measure the distance covered during the first 9 hours, for example, you find 17kts and not the 20kts the storm is presently moving at. But after 72 hours, it's a 4kt crawl to the NW. Clearly, they don't want to actually forecast where the storm will be at 120hrs - just as they used to do at 72 hours in previous years. Therefore, I now think there may be a 60% or better chance that CLaudette will remain a weak storm or even a wave/TD and hit the southern Yucatan, emerge into the BOC around 15Z Friday, then move inland into Mexico near Tampico (or just north of there) at 96hrs.

We'll see.
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#2 Postby Air Force Met » Wed Jul 09, 2003 1:24 pm

See my post "Not a good sign." I mention the same thing. However, the LLC is clearly visable on a high res loop. The problem for it is when an arc cloud is moving away from the LLC...you have divergence and the pressures will start to go up. It also robs the system of moist inflow...which is really needs.
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#3 Postby Colin » Wed Jul 09, 2003 1:31 pm

Yes...I am beginning to agree now. Looks like Claudette may not last much longer...but you never know in the Tropics, especially at this time of year.
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#4 Postby Rainband » Wed Jul 09, 2003 1:32 pm

RIP..CODE BLUE!!!!!!! She is dying a slow death!!!! :wink: At this point..
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#5 Postby Guest » Wed Jul 09, 2003 1:37 pm

The proof is in the pictures people - by 10:00 p.m. - I think she'll be downgraded to a TD and just an open wave.
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#6 Postby Colin » Wed Jul 09, 2003 1:43 pm

I agree ticka... ;) RIP Claudette...
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#7 Postby Toni - 574 » Wed Jul 09, 2003 1:46 pm

You mean a very strong tropical wave don't you Ticka! LOL :jump:
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#8 Postby southerngale » Wed Jul 09, 2003 2:07 pm

She's certainly not looking her best but she isn't dead either.

Look:
http://www.ssd.noaa.gov/PS/TROP/DATA/RT/float-vis-loop.html
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#9 Postby Toni - 574 » Wed Jul 09, 2003 2:29 pm

Hey Southerngale, I think it is going to be a touch and go situation right now I am going to give it a 60% chance of surviving and actually making hurricane statis.

My very strong tropical wave statement was made in light of her humble beginnings. She packs the best tropical wave I have ever seen. LOL
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#10 Postby rainstorm » Wed Jul 09, 2003 2:34 pm

i was saying last night it would open up to a wave today. i think it already is a wave. still has a slight chance over the weekend
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#11 Postby Toni - 574 » Wed Jul 09, 2003 2:43 pm

rainstorm wrote:i was saying last night it would open up to a wave today. i think it already is a wave. still has a slight chance over the weekend


Well, I won't go as far to say that she is a wave again, but if she doesn't make it out of the hostile environment she is currently in soon, then she may quickly go back to a wave. Not to say if conditions improve she could make a come back. Time will tell, but I hate all this waiting,and oh my the season is still young.
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#12 Postby Rainband » Wed Jul 09, 2003 2:43 pm

rainstorm wrote:i was saying last night it would open up to a wave today. i think it already is a wave. still has a slight chance over the weekend
I think she is fighting and may win the battle :roll: We shall see :wink:
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#13 Postby southerngale » Wed Jul 09, 2003 2:47 pm

Toni...actually I did get your joke. Forgive my rudeness...I should have commented. A little late but LOL Toni!! ;) hehe! I remember some of the early comments that sparked it.

Some are now saying RIP, etc. and I was just giving my opinion. I don't think she's dead. JMO - may not be a good one. lol
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#14 Postby Rainband » Wed Jul 09, 2003 2:50 pm

southerngale wrote:Toni...actually I did get your joke. Forgive my rudeness...I should have commented. A little late but LOL Toni!! ;) hehe! I remember some of the early comments that sparked it.

Some are now saying RIP, etc. and I was just giving my opinion. I don't think she's dead. JMO - may not be a good one. lol
LOL one minute I think shes gone the next..I am not so sure..Rollercoaster ride!!!!!!!!!! :roll: :roll: Forgive my fickleness :lol: :lol: :lol: :lol: :lol: :lol: :lol:
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#15 Postby GulfBreezer » Wed Jul 09, 2003 2:50 pm

Here is my 2 cents, which I think I posted in another thread, so we will make it my 4 cents worth :D

The way Claudette survived last night and today without totally falling apart shows me that the environment is just not hostile enough to hurt her. She is still haulin booty and doesn't have very far to go before conditions become extremely favorable for her to pack all the punch she wants.............she is a very stubborn lady and I just don't see her giving up 1) she is moving too fast for much of the environment to affect her any more than it already has 2) once she gets out of that environment, she is already forecast to slow some which will give her the chance to either impress us or just stroll (which I don't think she will do, stroll, that is) She is far from over and very close to a Hurricane Hot Spot............

Well, maybe that was more like 6 cents worth huh? Oh well, put the excess on my tab. :lol:
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#16 Postby southerngale » Wed Jul 09, 2003 2:52 pm

rainstorm wrote:i was saying last night it would open up to a wave today. i think it already is a wave. still has a slight chance over the weekend


I disagree rainstorm. :wink:

I don't think I'm looking at an open wave.
http://www.ssd.noaa.gov/PS/TROP/DATA/RT/float-vis-loop.html
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#17 Postby southerngale » Wed Jul 09, 2003 2:56 pm

Rainband wrote:
southerngale wrote:Toni...actually I did get your joke. Forgive my rudeness...I should have commented. A little late but LOL Toni!! ;) hehe! I remember some of the early comments that sparked it.

Some are now saying RIP, etc. and I was just giving my opinion. I don't think she's dead. JMO - may not be a good one. lol
LOL one minute I think shes gone the next..I am not so sure..Rollercoaster ride!!!!!!!!!! :roll: :roll: Forgive my fickleness :lol: :lol: :lol: :lol: :lol: :lol: :lol:


You're forgiven. ;)

Now, don't be so quick to kill her off next time!!!! :lol:
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#18 Postby Stormsfury » Wed Jul 09, 2003 3:09 pm

It's not gone ...

The fact with small circulation centers, though, they are subject to rapid changes in both aspects .. I saw the outflow boundary bust out of her and thought, whoops ... but new convection has exploded and interestingly enough, the outflow boundary may have been induced by dry air, and actually may have cleansed itself, so to speak ... hard to explain what I mean here, but watch the trends ...

SF
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#19 Postby Wthrman13 » Wed Jul 09, 2003 3:17 pm

In spite of the outflow boundary, if one looks at recent visible loops between about 16:40 UTC and 18:15 UTC, there is a clearly defined LLC that becomes exposed during this time. After 18:15, a new batch of convection goes up directly over the center. Use either the NRL tropical cyclone page or the NASA GHCC page to see this.
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#20 Postby wx247 » Wed Jul 09, 2003 3:20 pm

It was on its last leg just a while ago, but I agree that it is looking better again. The convection has developed near the center.
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