ATL: GABRIELLE - Remnants - Discussion

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NDG
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Re: ATL: INVEST 97L - Discussion

#721 Postby NDG » Wed Sep 04, 2013 6:42 am

The vorticity seen very clearly on IR satellite is displaced to the NE of the surface circulation, which I think is near 15.2N & 65.2W, based on 5 visible images loop, they more they more they come in the clearly I will be able to tell where exactly is the surface COC.
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Re: ATL: INVEST 97L - Discussion

#722 Postby tolakram » Wed Sep 04, 2013 6:45 am

MIMIC-TPW showing the circulation to the NE of 97L is fading, in my opinion. Looks to be consolidating around 97L, but 97L looks elongated again.

http://tropic.ssec.wisc.edu/real-time/mimic-tpw/natl/main.html
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Re: ATL: INVEST 97L - Discussion

#723 Postby cycloneye » Wed Sep 04, 2013 6:48 am

40%-60%

CLOUDINESS AND SHOWERS ASSOCIATED WITH A BROAD AREA OF LOW PRESSURE
CENTERED ABOUT 200 MILES SOUTHEAST OF SAN JUAN PUERTO RICO HAVE
BECOME A LITTLE MORE CONCENTRATED THIS MORNING. ENVIRONMENTAL
CONDITIONS APPEAR TO BE FAVORABLE FOR ADDITIONAL DEVELOPMENT BEFORE
THE SYSTEM INTERACTS WITH THE LAND MASSES OF HISPANIOLA AND PUERTO
RICO. THIS SYSTEM HAS A MEDIUM CHANCE...40 PERCENT...OF BECOMING A
TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES NORTHWESTWARD
AT ABOUT 10 MPH...AND A HIGH CHANCE...60 PERCENT...OF BECOMING A
TROPICAL CYCLONE DURING THE NEXT 5 DAYS. WHETHER A TROPICAL
CYCLONE FORMS OR NOT...LOCALLY HEAVY RAINFALL AND GUSTY WINDS ARE
EXPECTED TO SPREAD OVER PORTIONS OF THE LEEWARD ISLANDS...THE
VIRGIN ISLANDS...PUERTO RICO...AND HISPANIOLA DURING THE NEXT DAY
OR TWO. AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT IS SCHEDULED
TO INVESTIGATE THIS DISTURBANCE THIS AFTERNOON...IF NECESSARY.
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Re: ATL: INVEST 97L - Discussion

#724 Postby GCANE » Wed Sep 04, 2013 6:48 am

As expected, awesome overshooting tops at sunrise.

http://www.ssd.noaa.gov/PS/TROP/floater ... -long.html
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Re: ATL: INVEST 97L - Discussion: 8 AM TWO=40%-60%

#725 Postby Fego » Wed Sep 04, 2013 7:05 am

..."
CONDITIONS APPEAR TO BE FAVORABLE FOR ADDITIONAL DEVELOPMENT BEFORE
THE SYSTEM INTERACTS WITH THE LAND MASSES OF HISPANIOLA AND PUERTO
RICO."


Just a small chance but a big language change, imho.
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#726 Postby ninel conde » Wed Sep 04, 2013 7:11 am

if hispaniola wasnt in the way it might be the first cane of the season. might not be much left of it after the mountains.
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Re: ATL: INVEST 97L - Discussion: 8 AM TWO=40%-60%

#727 Postby Gustywind » Wed Sep 04, 2013 7:11 am

Fego wrote:
..."
CONDITIONS APPEAR TO BE FAVORABLE FOR ADDITIONAL DEVELOPMENT BEFORE
THE SYSTEM INTERACTS WITH THE LAND MASSES OF HISPANIOLA AND PUERTO
RICO."


Just a small chance but a big language change, imho.

Anyway, Fego and Cycloneye, i advice you to monitor it carefully. The risk of big floodings is real in your area. So be on your guard guys as a new twave is on our east and should bring another round of strong showers and tstorms to our islands. We must be very aware.
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Re: ATL: INVEST 97L - Discussion

#728 Postby ROCK » Wed Sep 04, 2013 7:19 am

the east low is closing fast so its going to be cool to see how they interact today. My money is on the east low and the out to sea scenario....the EURO last night pretty much sealed the deal for me...

Just my opinion which does count for anything!! :D
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Re:

#729 Postby NDG » Wed Sep 04, 2013 7:22 am

ninel conde wrote:if hispaniola wasnt in the way it might be the first cane of the season. might not be much left of it after the mountains.


If it only clips the eastern tip of Hispaniola it will not get disrupted much, the higher mountains are more in the interio, but too early to tell exactly where it will track.
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#730 Postby CalmBeforeStorm » Wed Sep 04, 2013 7:24 am

http://www.ssd.noaa.gov/PS/TROP/floaters/97L/imagery/vis0-lalo.jpg

I find the interaction between 97L and the system just to it's east (less then 350 miles and closing) to be very interesting. Currently vorticity maps show both areas have good vorticity. Model runs show varying scenarios with the CMC splitting them and developing the eastern feature and taking it north and NE while disapating the western feature. The GFS and Euro both show a dual vortex traveling WNW. The GFS eventually makes the eastern feature the dominate one and it goes NE creating a weakness for the eastern feature to follow. The Euro is similar but keeps the western feature more dominant but still takes them both out through the weakness created by the eastern feature. My questions are as follows; Could these features merge and create one vortex? If this happens does it change the future forecast as there is no longer one more northeastern feature to further weaken any ridging at 5 days?
Last edited by tolakram on Wed Sep 04, 2013 7:30 am, edited 1 time in total.
Reason: added URL tags
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Re: ATL: INVEST 97L - Discussion

#731 Postby cycloneye » Wed Sep 04, 2013 7:30 am

04/1145 UTC 16.8N 64.5W T1.5/1.5 97L -- Atlantic
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Re: ATL: INVEST 97L - Discussion

#732 Postby Gustywind » Wed Sep 04, 2013 7:32 am

cycloneye wrote:04/1145 UTC 16.8N 64.5W T1.5/1.5 97L

:) What about the best track?
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#733 Postby HurriGuy » Wed Sep 04, 2013 7:35 am

I'm still not betting on either system forming anytime soon. Land will keep them in check.
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Re:

#734 Postby CalmBeforeStorm » Wed Sep 04, 2013 7:37 am

HurriGuy wrote:I'm still not betting on either system forming anytime soon. Land will keep them in check.

More and more I'm thinking that PR will be the only land either or both of these systems will see.
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Re: ATL: INVEST 97L - Discussion

#735 Postby tolakram » Wed Sep 04, 2013 7:37 am

Short loop from this morning.

Image

One day I'll learn how to quickly edit animated GIF files so I can add a pause. :)
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#736 Postby NDG » Wed Sep 04, 2013 7:38 am

I think the 12z best track is based off of the mid level vorticity seen on IR satellite but SJ radar and visible satellite loop tells me that it is a little further south and west, more like 15.7N & 65.2W, IMO.

Circled area is where I think the surface COC is, elongated somewhat SW to NE, pointing arrows are low clouds movememt.

Image
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Re: ATL: INVEST 97L - Discussion

#737 Postby floridasun78 » Wed Sep 04, 2013 7:44 am

will hurr hunter fly or get cancel today?
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Re: ATL: INVEST 97L - Discussion

#738 Postby tolakram » Wed Sep 04, 2013 7:44 am

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Re: ATL: INVEST 97L - Discussion

#739 Postby wxman57 » Wed Sep 04, 2013 7:48 am

Eastern cluster of storms won't likely develop. It will probably be drawn into 97L with time. Good chance of TD formation this afternoon (97L). TS within 24 hours more and more likely. Rain threat for the islands then out to sea.
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#740 Postby Alyono » Wed Sep 04, 2013 7:48 am

I am seeing no signs of circulation with the eastern feature
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