Weak low in NE Gulf of Mexico: (Is Invest 95L)

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NCSTORMMAN

#281 Postby NCSTORMMAN » Tue Jul 28, 2015 12:18 pm

Does anyone else see the spin that the convection is doing in the Gulf of Mexico and it seems like shear is not nearly as bad as yesterday. Yesterday the clouds were being blown right off any spin.
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#282 Postby tropicwatch » Tue Jul 28, 2015 12:32 pm

Looks like the system in the GOM and the frontal boundary in the Atlantic are separating.

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#283 Postby northjaxpro » Tue Jul 28, 2015 12:37 pm

:uarrow: panana, I believe that as well. It indeed looks ad if the entity in the NE GOM is detaching itself.
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#284 Postby northjaxpro » Tue Jul 28, 2015 12:38 pm

:uarrow: panana, I believe that as well. It indeed looks as if the entity in the NE GOM is detaching itself.
Last edited by northjaxpro on Tue Jul 28, 2015 12:40 pm, edited 1 time in total.
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Re:

#285 Postby NCSTORMMAN » Tue Jul 28, 2015 12:39 pm

northjaxpro wrote::uarrow: panana, I believe that as well. It indeed looks ad if the entity in the NE GOM is detaching itself.



Would that push something to develop in the Gulf of Mexico or help end it? Worried about the rain in Florida for the people who live there.
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Re:

#286 Postby Sanibel » Tue Jul 28, 2015 12:41 pm

NCSTORMMAN wrote:Does anyone else see the spin that the convection is doing in the Gulf of Mexico and it seems like shear is not nearly as bad as yesterday. Yesterday the clouds were being blown right off any spin.



I don't think they are fussing with it because they think it will weaken and die.



"Evacuation" is "venting", which is when a weather pattern in the upper level pulls air away from the system. A cyclone draws air inward at the surface and pushes it outward at the upper level. When air is vented from a system it is like pulling the string on a top which makes it spin. Turbocharging.
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#287 Postby northjaxpro » Tue Jul 28, 2015 12:44 pm

The Low has been attached to a surface trough axis for several days. By it becoming detached, thr system can have a better opportunity to develop, provided if the shear decreases. Also the system would be fully tropical in nature if it is detached from the trough axis./boundary
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Re: Weak low in NE Gulf of Mexico

#288 Postby tolakram » Tue Jul 28, 2015 12:47 pm

The Hi Rez euro, 0Z, showed the main vorticity drifting NE over Florida and exiting into the Atlantic. IMO that's what is happening and there's nothing left below that convection in the Gulf.

You can see the progression if you speed up this live loop: http://wwwghcc.msfc.nasa.gov/cgi-bin/get-goes?satellite=GOES-E%20CONUS&lat=30&lon=-81&info=vis&zoom=1&width=1000&height=800&quality=92&type=Animation&palette=ir1.pal&numframes=18&mapcolor=gray

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Re: Weak low in NE Gulf of Mexico

#289 Postby tolakram » Tue Jul 28, 2015 12:50 pm

I should add.

At 144 hours the Euro shows another area of vorticity forming over NE Florida and moving up the coast, mostly inland. It will be interesting to see what the 12Z shows today.
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#290 Postby northjaxpro » Tue Jul 28, 2015 12:53 pm

Yeah, there is a swirl off of my area off the coast of Jax. There is a possibility tolakram that you may be onto something in that the area off the NE FL coast may be becoming the dominant feature.
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Re: Weak low in NE Gulf of Mexico

#291 Postby NCSTORMMAN » Tue Jul 28, 2015 1:01 pm

tolakram wrote:The Hi Rez euro, 0Z, showed the main vorticity drifting NE over Florida and exiting into the Atlantic. IMO that's what is happening and there's nothing left below that convection in the Gulf.

You can see the progression if you speed up this live loop: http://wwwghcc.msfc.nasa.gov/cgi-bin/get-goes?satellite=GOES-E%20CONUS&lat=30&lon=-81&info=vis&zoom=1&width=1000&height=800&quality=92&type=Animation&palette=ir1.pal&numframes=18&mapcolor=gray

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Thanks for the input and I seen that.
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Re: Weak low in NE Gulf of Mexico

#292 Postby NDG » Tue Jul 28, 2015 1:14 pm

I was about to say earlier today that the area south of Carolinas is the area to now watch but even that vorticity the convection has been blown off by the northerly shear.
The convection moving westward at the NE GOM is nothing more than the mid level energy that was blown off from the surface low yesterday, which is now nothing more than a naked elongated broad low over NE FLA.
The only way something might organize in this area is if the Heat Ridge moves westward and the northerly shear eases up a bit, if it happens and the surface trough is still around something might indeed get organized in a few days, but I am not holding my breath.
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Re:

#293 Postby NDG » Tue Jul 28, 2015 1:19 pm

psyclone wrote:another night of heavy rain here and waterlogged western Pasco county has been dumped on this morning. this is that warm atmosphere, tropical rain... we've all seen it, the soaking torrents with small to very small raindrops and either no or less lightning than you would otherwise expect with such heavy intensities. at this point I wish a system would form and do something just to end this water torture. this weekend I filmed catfish swimming down the sidewalk. ridiculous.


Yes, I was about to say it is very tropical out there, as the broad low has tracked to my north my rains today are heavier than what they appear on radar with no thunder at all and very warm & muggy conditions, no doubt that the system that was trying to organize yesterday in the NE GOM was 100% tropical in nature.
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Re: Weak low in NE Gulf of Mexico

#294 Postby Stormcenter » Tue Jul 28, 2015 1:39 pm

I would keep an eye of the remaining moisture left in the GOM.

http://www.ssd.noaa.gov/goes/east/gmex/flash-avn.html
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Re: Re:

#295 Postby Nimbus » Tue Jul 28, 2015 2:10 pm

NDG wrote:
psyclone wrote:another night of heavy rain here and waterlogged western Pasco county has been dumped on this morning. this is that warm atmosphere, tropical rain... we've all seen it, the soaking torrents with small to very small raindrops and either no or less lightning than you would otherwise expect with such heavy intensities. at this point I wish a system would form and do something just to end this water torture. this weekend I filmed catfish swimming down the sidewalk. ridiculous.


Yes, I was about to say it is very tropical out there, as the broad low has tracked to my north my rains today are heavier than what they appear on radar with no thunder at all and very warm & muggy conditions, no doubt that the system that was trying to organize yesterday in the NE GOM was 100% tropical in nature.


Pasco county got over 12 inches of rain and the Anclote river rose from 9 feet to over 24 feet.
Very similar to the flooding from Debby. Some of the homeowners insurance companies have been offering deductibles for accepting exclusions from damage by tropical storm systems.

despite all the scud going round in circles there was an upper level circulation due to a trough draped across the state.
The trough appears to be finally closing off and lifting out this afternoon.
The remnant energy is drifting west, if the convection persists overnight it probably won't dissipate very quickly.
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Re: Weak low in NE Gulf of Mexico

#296 Postby Dean4Storms » Tue Jul 28, 2015 2:52 pm

This buoy has shown no real signs of a circulation and pressures were even higher today than yesterday. Even the sea heights are lame.

http://www.ndbc.noaa.gov/station_page.php?station=42036
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Re: Re:

#297 Postby NDG » Tue Jul 28, 2015 3:06 pm

Nimbus wrote:
NDG wrote:
psyclone wrote:another night of heavy rain here and waterlogged western Pasco county has been dumped on this morning. this is that warm atmosphere, tropical rain... we've all seen it, the soaking torrents with small to very small raindrops and either no or less lightning than you would otherwise expect with such heavy intensities. at this point I wish a system would form and do something just to end this water torture. this weekend I filmed catfish swimming down the sidewalk. ridiculous.


Yes, I was about to say it is very tropical out there, as the broad low has tracked to my north my rains today are heavier than what they appear on radar with no thunder at all and very warm & muggy conditions, no doubt that the system that was trying to organize yesterday in the NE GOM was 100% tropical in nature.


Pasco county got over 12 inches of rain and the Anclote river rose from 9 feet to over 24 feet.
Very similar to the flooding from Debby. Some of the homeowners insurance companies have been offering deductibles for accepting exclusions from damage by tropical storm systems.

despite all the scud going round in circles there was an upper level circulation due to a trough draped across the state.
The trough appears to be finally closing off and lifting out this afternoon.
The remnant energy is drifting west, if the convection persists overnight it probably won't dissipate very quickly.


I do not think this was ever associated with an upper level circulation, no upper level trough axis over FL, the trough we have been talking about was an old surface cold front which became nothing more than a surface trough over time and is still present as noticed on surface reports.
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Re: Weak low in NE Gulf of Mexico

#298 Postby Nimbus » Tue Jul 28, 2015 3:49 pm

There was too much high cirrus cloud motion to be purely tropical, but this is changing in the gulf now.
The new tail end of the front appears to be trapped under the ridging over on the eastern side of Florida as well.

http://wwwghcc.msfc.nasa.gov/cgi-bin/ge ... mframes=20
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Re: Weak low in NE Gulf of Mexico

#299 Postby NCSTORMMAN » Tue Jul 28, 2015 3:50 pm

Nimbus wrote:There was too much high cirrus cloud motion to be purely tropical, but this is changing in the gulf now.
The new tail end of the front appears to be trapped under the ridging over on the eastern side of Florida as well.

http://wwwghcc.msfc.nasa.gov/cgi-bin/ge ... mframes=20



Meaning what exactly?
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#300 Postby TheStormExpert » Tue Jul 28, 2015 4:06 pm

Still a little bit of hope?

@MJVentrice: Tropical Cyclogenesis 15 day probabilities for the 0Z GEFS and ECMWF EPS MOS products. http://t.co/ydMox1fMzJ

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