LLC Developing just East of Belize?? (Is invest 94L)

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Hurricane Andrew
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#41 Postby Hurricane Andrew » Mon May 21, 2012 2:28 pm

Where exactly is the low?
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Re: LLC Developing just East of Belize??

#42 Postby Florida1118 » Mon May 21, 2012 2:46 pm

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^ Will be interesting to see how this evolves.
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Re:

#43 Postby NDG » Mon May 21, 2012 3:19 pm

Hurricane Andrew wrote:Where exactly is the low?



I can clearly see a broad circulation with a couple of vorticities, one coming down south along the coast of Belize with the main one near 17.5N & 86W, most of the convection well east of there due to the westerly shear.
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Re: Re:

#44 Postby Aric Dunn » Mon May 21, 2012 3:27 pm

NDG wrote:
Hurricane Andrew wrote:Where exactly is the low?



I can clearly see a broad circulation with a couple of vorticities, one coming down south along the coast of Belize with the main one near 17.5N & 86W, most of the convection well east of there due to the westerly shear.


yeah that one east of belize just developed today. looking at the long loops you can see it. shear is about 30 to 4o kts right now but the models reduce it especially a little farther south just off honduras over the next couple days.

things are improving slowly right about where the surface circ is developing.

Image
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#45 Postby northjaxpro » Mon May 21, 2012 4:55 pm

18Z TAFB surface analysis has initialized a 1010mb Low pressure on the extreme southern coast of the Yucatan Peninsula near Chetumal, MX.

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Re: LLC Developing just East of Belize??

#46 Postby TropicalAnalystwx13 » Mon May 21, 2012 5:06 pm

canes04 wrote:Agree,this has got my attention. If shear relaxs it could spin up.
We could have 2 named storms this month.

When was the last time 2 storms formed in May?

1887 is the one and only time 2 tropical storms have formed in May. In 1969 there were two tropical depressions that formed during the month, but neither managed to attain tropical storm status.
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Re: LLC Developing just East of Belize??

#47 Postby crownweather » Mon May 21, 2012 5:32 pm

TropicalAnalystwx13 wrote:
canes04 wrote:Agree,this has got my attention. If shear relaxs it could spin up.
We could have 2 named storms this month.

When was the last time 2 storms formed in May?

1887 is the one and only time 2 tropical storms have formed in May. In 1969 there were two tropical depressions that formed during the month, but neither managed to attain tropical storm status.


1887 was a very busy year with 19 storms, 11 hurricanes and 2 major hurricanes. Very busy also with multiple landfalls. http://weather.unisys.com/hurricane/atl ... /index.php .
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Re: LLC Developing just East of Belize??

#48 Postby KatDaddy » Mon May 21, 2012 6:52 pm

Broad circulation near the Yucatan this evening that can be seen on the latest satellite loops.
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#49 Postby northjaxpro » Mon May 21, 2012 9:39 pm

HPC 0Z surface analysis shows the 1009 mb Low Pressure area positioned about 100 miles east of Chetumal, MX in the Gulf of Honduras.

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#50 Postby NDG » Mon May 21, 2012 10:02 pm

After the Euro doing fairly well with Alberto I am hoping in it being right also with this disturbance. It has being persistent in at least two runs in a row of this disturbance tracking NE towards the Bahamas and western Atlantic then putting the breaks on as ridging builds across the eastern US then retrograde back towards FL bringing much needed rain for central and northern FL and possibly as far north as the GA/Carolinas.
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Re: LLC Developing just East of Belize??

#51 Postby Aric Dunn » Tue May 22, 2012 7:29 am

As the models have suggesting the shear in the NW carrib has dropped quite a bit this morning and become more anti cyclonic. we already know there is a low there and convection this morning is a little more concentrated. I would imagine the nhc giving this 20 to 30 % sometime today.

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#52 Postby NDG » Tue May 22, 2012 7:58 am

I still see the broad surface low, a little further north than yesterday, but no LLC.
It is a bit elongated SW to NE, IMO.
Last night's Euro has a 1005mb closed low this evening near the Isle of Youth, not sure if that will pan out that quick.

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Re:

#53 Postby Aric Dunn » Tue May 22, 2012 8:10 am

NDG wrote:I still see the broad surface low, a little further north than yesterday, but no LLC.
It is a bit elongated SW to NE, IMO.
Last night's Euro has a 1005mb closed low this evening near the Isle of Youth, not sure if that will pan out that quick.

[img]http://i20.photobucket.com/albums/b245/ndgarcia/5-22.jpg[/mg]



its still just about where it was yesterday. just north of roatan island. looking at long radar and surface obs you can locate it. there does appear to be another smaller vort up there though.
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#54 Postby northjaxpro » Tue May 22, 2012 8:16 am

Yes, the shear is very slowly beginning to slacken in this region. Development will be very gradual, but if the shear can drop to 20 knots or slightly less, this may have a chance to become invest 94L. I think it should get at least a yellow circle from NHC by this evening if the trend continues. The area continues to look better in terms of convection trying to organize around the Low Pressure area. One thing for certain is this has been a very tenacious system. It has festered in this area of the Gulf of Honduras for the past five days.


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Re: Re:

#55 Postby NDG » Tue May 22, 2012 8:29 am

Aric Dunn wrote:
NDG wrote:I still see the broad surface low, a little further north than yesterday, but no LLC.
It is a bit elongated SW to NE, IMO.
Last night's Euro has a 1005mb closed low this evening near the Isle of Youth, not sure if that will pan out that quick.

[img]http://i20.photobucket.com/albums/b245/ndgarcia/5-22.jpg[/mg]



its still just about where it was yesterday. just north of roatan island. looking at long radar and surface obs you can locate it. there does appear to be another smaller vort up there though.


IMO, that vorticity that is shown on the radar loop from Belize approaching the Island of Roatan is the vorticity that was coming down on the eastern side of the Yucatan Peninsula rotating around the broader circulation.
I think the circulation that is taking over is to the SE of Cozumel, right about right near buoy 42056, which is reporting some of the lowest pressures in the area, I see lots of SW to NE moving low clouds NE of Roatan.
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Re: Re:

#56 Postby Aric Dunn » Tue May 22, 2012 9:04 am

NDG wrote:
Aric Dunn wrote:
NDG wrote:I still see the broad surface low, a little further north than yesterday, but no LLC.
It is a bit elongated SW to NE, IMO.
Last night's Euro has a 1005mb closed low this evening near the Isle of Youth, not sure if that will pan out that quick.

[img]http://i20.photobucket.com/albums/b245/ndgarcia/5-22.jpg[/mg]



its still just about where it was yesterday. just north of roatan island. looking at long radar and surface obs you can locate it. there does appear to be another smaller vort up there though.


IMO, that vorticity that is shown on the radar loop from Belize approaching the Island of Roatan is the vorticity that was coming down on the eastern side of the Yucatan Peninsula rotating around the broader circulation.
I think the circulation that is taking over is to the SE of Cozumel, right about right near buoy 42056, which is reporting some of the lowest pressures in the area, I see lots of SW to NE moving low clouds NE of Roatan.


well its either way still disorganized and every little burst of convection will pull or for another little vort.
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#57 Postby SFLcane » Tue May 22, 2012 9:35 am

Though pressures have lowered a bit down in the caribbean there are no signs of any real organization. Models arent down much with it.
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Re: LLC Developing just East of Belize??

#58 Postby cycloneye » Tue May 22, 2012 10:01 am

The 12z surface analysis continues with the low pressure in Western Caribbean.

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#59 Postby boca » Tue May 22, 2012 10:18 am

http://www.ssd.noaa.gov/goes/east/watl/flash-vis.html

I think the low is up by the Isle of Pines
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Re:

#60 Postby Aric Dunn » Tue May 22, 2012 10:22 am

boca wrote:http://www.ssd.noaa.gov/goes/east/watl/flash-vis.html

I think the low is up by the Isle of Pines


there are multiple vorts. the mean center is our best bet right now... still very broad.
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