Area of disturbed weather in NW Caribbean (Is Invest 93L)

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psyclone
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Re: Tropical development in Southern Gulf of Mexico?

#41 Postby psyclone » Thu Jun 02, 2016 12:23 am

Steve wrote:Looks like gfs coalesces a low off the NE Yucatan from surface energy from the tropics moving into interrupted flow to the nw. Low res gfs brings it down to 1004 which I'm assuming is TS level but really doesn't crank it up. It crosses Florida in about a week in the Tampa area with what appears to be the worst weather in a band to the NE of the circulation. GFS doesn't race it across the state but does move it steadily. Looks like the worst from this run would be the lakes over Gainesville and Ocala and just south of maybe around St Augustine. It's a long way out, and luckily GFS doesn't show it getting strong. But it shows a potential 'landfall' next week in the US. 2016. I think what it shows keeping the system in check is the strong upper flow acros the northern gulf. GFS isn't showing a panic situation by any means, but you'd have to think there would be some tropical storm conditions in Florida if it is close to being right.

Sounds like the typical early season garbage that comes up this way. Tropical storm Andrea (2013) featured that very configuration you referenced, with the most active weather almost taking the shape of a squall line on the system's eastern flank. it was a rather pitiful excuse of a storm but yielded some interesting weather. This set up has become rather routine so it'll be interesting to see if this becomes another feather in the climo cap.
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Re: Tropical development in Southern Gulf of Mexico?

#42 Postby Steve » Thu Jun 02, 2016 12:58 am

For sure. i hope it turns out to be nothing but a fun tropical day or two for y'all.
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Re: Tropical development in Southern Gulf of Mexico?

#43 Postby Kingarabian » Thu Jun 02, 2016 1:30 am

Euro seems stronger this run.
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Re: Tropical development in Southern Gulf of Mexico?

#44 Postby RL3AO » Thu Jun 02, 2016 5:26 am

I can't help but think Barry (2007) with this system.
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Re: Tropical development in Southern Gulf of Mexico?

#45 Postby Kingarabian » Thu Jun 02, 2016 5:38 am

GFS and Euro pretty much the same intensity. But boy do they have it ejecting fast over Florida.
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Re: Tropical development in Southern Gulf of Mexico?

#46 Postby caneman » Thu Jun 02, 2016 5:43 am

999 mb would be closer to around 70 mph. Am I correct? Reminds me more of a gabrielle from 2001 i believe it was.
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Re: Tropical development in Southern Gulf of Mexico?

#47 Postby cycloneye » Thu Jun 02, 2016 5:43 am

The 72 hour surface forecast has a new 1005 low in Southern GOM.

Image
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Re: Tropical development in Southern Gulf of Mexico?

#48 Postby RL3AO » Thu Jun 02, 2016 5:49 am

I'm sitting in Miami watching this system with interest. One thing that stands out is just how moist the airmass over S FL next week is going to be. PWATs over 2.5" is going to mean very intense rainfall.

As for the potential tropical system, if it develops it really looks like a classic early-June system that will have almost all the convection on the east side. I mentioned Barry (2007) a little bit ago. I'm not sure if it will get strong enough for NHC to run the storm surge products. We will see.
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Re: Tropical development in Southern Gulf of Mexico?

#49 Postby caneman » Thu Jun 02, 2016 5:49 am

999 mb would be closer to around 65 - 70 mph. Am I correct? Reminds me more of a gabrielle from 2001 i believe it was.
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Re: Tropical development in Southern Gulf of Mexico?

#50 Postby Frank2 » Thu Jun 02, 2016 5:50 am

Models have been trending further west since this time yesterday, when only extreme South Florida had the highest rainfall...
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Re: Tropical development in Southern Gulf of Mexico?

#51 Postby ronjon » Thu Jun 02, 2016 5:52 am

In typical fashion, both CMC and NAVGEM ramp this system up to hurricane strength. Think that's overdone, especially with these models bias' and likely strong SW or W shear as the system gains latitude. Good analog I think is Debby 2012 which brought significant flooding here in west-central Florida. Looks like a moderate tropical storm with perhaps 5-10 inches of rain not out of the question for FL.
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Re: Tropical development in Southern Gulf of Mexico?

#52 Postby RL3AO » Thu Jun 02, 2016 5:54 am

Frank2 wrote:Models have been trending further west since this time yesterday, when only extreme South Florida had the highest rainfall...


I also noticed the Euro ensembles are almost universally developing a 1002 to 1005 mb low impacting western/northwestern Florida which is a drastic change from yesterday when only 15 to 20% of the ensembles were developing a low.
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Re: Tropical development in Southern Gulf of Mexico?

#53 Postby jlauderdal » Thu Jun 02, 2016 5:54 am

Kingarabian wrote:GFS and Euro pretty much the same intensity. But boy do they have it ejecting fast over Florida.


it will eject fast once it gets tangled up with the front..the trick is getting these systems out of the Caribbean, that can be a mission and takes real work
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Re: Tropical development in Southern Gulf of Mexico?

#54 Postby NDG » Thu Jun 02, 2016 6:00 am

0z Euro has this possible system start developing just north of the NE tip of the Yucatan P Sunday late morning into early afternoon with windshear near the low pressure center in the 10-20 knot range, but getting elongated as it encounters stronger UL winds across the northern GOM late Monday.
The GFS has the low pressure center further south, not to emerge into the southern GOM until late Sunday night/Monday morning, so a good 12-18 hrs behind the Euro.
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Re: Tropical development in Southern Gulf of Mexico?

#55 Postby rolltide » Thu Jun 02, 2016 7:02 am

Up to 30% chance of development.
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Re: Tropical development in Southern Gulf of Mexico?

#56 Postby cycloneye » Thu Jun 02, 2016 7:04 am

A broad low pressure area is expected to form over the southern Gulf
of Mexico by early next week. Additional slow development of the
low could occur as it subsequently moves north-northeastward.
* Formation chance through 48 hours...low...near 0 percent
* Formation chance through 5 days...low...30 percent
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Re: Tropical development in Southern Gulf of Mexico?

#57 Postby HurricaneBelle » Thu Jun 02, 2016 7:07 am

caneman wrote:999 mb would be closer to around 65 - 70 mph. Am I correct? Reminds me more of a gabrielle from 2001 i believe it was.


Gabrielle 2001 was actually 980 when it made landfall just south of Sarasota but despite that pressure it was tagged a 70 MPH TS. I still think that was the lowest pressure I've seen for a landfalling TS.
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Re: Tropical development in Southern Gulf of Mexico?

#58 Postby caneman » Thu Jun 02, 2016 7:42 am

I agree, many believed it was a low end hurricane. Though t for sure it would later be upgraded but never happened.
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Re: Tropical development in Southern Gulf of Mexico?

#59 Postby wxman57 » Thu Jun 02, 2016 8:07 am

I'd say development chances are closer to 70-80%. Weak/sheared TS (40-45 mph) striking Florida near Tampa late Monday evening or Tuesday morning then accelerating out to sea. Possibly near hurricane strength as it races out to sea east of Florida.
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Re: Tropical development in Southern Gulf of Mexico?

#60 Postby RL3AO » Thu Jun 02, 2016 8:23 am

It might be useful to see the inundation map used in Florida for a weak storm. I think the operational version is fantastic but there will still be some confusion/miscommunication with it.
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