OLGA'S remnants : Discussions & Images

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RL3AO
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#281 Postby RL3AO » Mon Dec 10, 2007 7:03 pm

Long flight. Will they land in St, Croix?
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#282 Postby Evil Jeremy » Mon Dec 10, 2007 7:06 pm

How long will it take for them to make it to the storm itself?
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Re: Invest 94L: RECON

#283 Postby cycloneye » Mon Dec 10, 2007 7:08 pm

:uarrow: 2000Z 3:00 PM EST,this with the timechange now in effect.
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Coredesat

Re:

#284 Postby Coredesat » Mon Dec 10, 2007 7:11 pm

RL3AO wrote:With the new convection very close to the center, this now qualifies as a subtropical cyclone in my mind.


Not without a confirmed LLC. Looks can be deceiving.
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MiamiensisWx

Re: INVEST 94L Near Puerto Rico : Discussions & Images

#285 Postby MiamiensisWx » Mon Dec 10, 2007 7:12 pm

http://www.ssd.noaa.gov/goes/flt/t1/loop-ir2.html

It looks like the convective burst is expanding, while the LLC (?) is moving W toward it. It looks like the western half of the LLC (?) will be engulfed. It certainly looks like organization, despite NW shear via the UL. There is a prominent MLC.

Edit: The western side is under the convection.
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Re: INVEST 94L Near Puerto Rico : Discussions & Images

#286 Postby wxman57 » Mon Dec 10, 2007 7:23 pm

The center is easiest to find using surface obs (see plot below). It appears to be just east of the British Virgin Islands near 18.2N/64.8W. As you can see, winds around the center are only 5-15 kts. However, that area of squalls 50 miles northwest of the center may have some gusts to 40-50 kts.

Image
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Re: INVEST 94L Near Puerto Rico : Discussions & Images

#287 Postby Matt-hurricanewatcher » Mon Dec 10, 2007 7:23 pm

I may not have the knowledge of the nhc, but I will tell it how I see it. This is at the very least a tropical depression, and if there is a area of tropical storm force winds. Maybe even a tropical storm. Any time a well defined LLC forms and develops convection over it, that is a clear sign of something.
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Re: Re:

#288 Postby Matt-hurricanewatcher » Mon Dec 10, 2007 7:25 pm

Coredesat wrote:
RL3AO wrote:With the new convection very close to the center, this now qualifies as a subtropical cyclone in my mind.


Not without a confirmed LLC. Looks can be deceiving.



Its clear theres a LLC. Looks can be deceiving, but normally once a LLC gets going its there. But yeah its always safe to have recon. What time does it get in.
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Re: INVEST 94L Near Puerto Rico : Discussions & Images

#289 Postby cycloneye » Mon Dec 10, 2007 7:25 pm

Image
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#290 Postby RL3AO » Mon Dec 10, 2007 7:25 pm

The low is getting close to PR. I don't think the NHC will name it.
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Re: INVEST 94L Near Puerto Rico : Discussions & Images

#291 Postby cycloneye » Mon Dec 10, 2007 7:28 pm

10/2345 UTC 18.4N 64.3W T2.0/2.0 94L

http://www.ssd.noaa.gov/PS/TROP/positions.html

TD 17 at 10 PM EST?
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Derek Ortt

#292 Postby Derek Ortt » Mon Dec 10, 2007 7:30 pm

I'd say TS Olga based upon the wind reports
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Matt-hurricanewatcher

Re: INVEST 94L Near Puerto Rico : Discussions & Images

#293 Postby Matt-hurricanewatcher » Mon Dec 10, 2007 7:31 pm

cycloneye wrote:10/2345 UTC 18.4N 64.3W T2.0/2.0 94L

http://www.ssd.noaa.gov/PS/TROP/positions.html

TD 17 at 10 PM EST?



I would think so. But reading other peoples minds I'm not good at.
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Coredesat

#294 Postby Coredesat » Mon Dec 10, 2007 7:31 pm

Currently passing over 41043.

http://www.ndbc.noaa.gov/station_page.php?station=41043

Last hour there was a wind report of 29 kt from the ENE, gusting to 35 kt, and a pressure of 1012 hPa.

If the next hourly update shows a shift in the winds, I'd agree with the TS assessment.
Last edited by Coredesat on Mon Dec 10, 2007 7:35 pm, edited 1 time in total.
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Re:

#295 Postby Evil Jeremy » Mon Dec 10, 2007 7:34 pm

Derek Ortt wrote:I'd say TS Olga based upon the wind reports


Ah, your first comment here on this, or at least the first one I caught. I liked your statement last night. Where do you think this will end up?
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Re: INVEST 94L Near Puerto Rico : Discussions & Images

#296 Postby Blown Away » Mon Dec 10, 2007 7:41 pm

Wow this caught me by surprise. Looks good on IR. I would love to see how the local media handles this if it forms into Olga.
http://www.ssd.noaa.gov/goes/flt/t1/loop-avn.html
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Coredesat

Re: Re:

#297 Postby Coredesat » Mon Dec 10, 2007 7:43 pm

Matt-hurricanewatcher wrote:
Coredesat wrote:
RL3AO wrote:With the new convection very close to the center, this now qualifies as a subtropical cyclone in my mind.


Not without a confirmed LLC. Looks can be deceiving.



Its clear theres a LLC. Looks can be deceiving, but normally once a LLC gets going its there. But yeah its always safe to have recon. What time does it get in.


It's not clear there's a LLC because QuikSCAT, ASCAT, and microwave imagery don't indicate a definitive LLC right now. There's a very impressive upper- to mid-level circulation associated with the system.
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#298 Postby CrazyC83 » Mon Dec 10, 2007 7:44 pm

Wasn't there a 36 kt ship report?

Anyway, I'd say it is about 80% likely there is a defined closed circulation, but I am not completely positive.
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Re: INVEST 94L Near Puerto Rico : Discussions & Images

#299 Postby Category 5 » Mon Dec 10, 2007 7:44 pm

Look at this, does anyone else see multiple spins?

Image
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#300 Postby btangy » Mon Dec 10, 2007 7:46 pm

If the blob of convection persists for 3-6 more hours, then it may be reason enough to upgrade to a depression/storm, especially if the low level center reforms underneath the deep convection or the convection migrates to the existing low level center. The key thing to watch is whether this trend is transient and fades away after a few hours whereby the convection again becomes disorganized or is the start of a organizing trend with the convection becoming prominent near the low level center warming the troposphere through a deeper layer and essentially annihilating the cold core aloft. But, I must agree that this is very close to classification. Persistence will determine whether it gets named now.
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