ATL: KARL - Post-Tropical - Discussion
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- Kazmit
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Re: ATL: TWELVE - Tropical Depression - Discussion
Shear seems to have died down in most of the MDR.

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- Hurricaneman
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Re: ATL: TWELVE - Tropical Depression - Discussion
There is still shear, the MLC is NE of the LLC but if they join at any time this could take off especially with the energy associated with this so I believe the GFS may be dead wrong with this but we won't know until early next week
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Re: ATL: TWELVE - Tropical Depression - Discussion
The current BAMD has the furthest north track so maybe early development will shift the dynamic models further north. 18Z HWRF still has this running south of west along the 18N line.
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Re: ATL: TWELVE - Tropical Depression - Discussion
Kazmit_ wrote:Shear seems to have died down in most of the MDR.
Whoa and a majority of the Atlanic has favorable condtions. Shear can decrease as fast as it can increase. Impressive blow up near the center.
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Re: ATL: TWELVE - Tropical Depression - Discussion
Nice looking hot tower about 3.5 hrs ago.


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- wxmann_91
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Re: ATL: TWELVE - Models
AutoPenalti wrote:I'm still not seeing a recurve. It's too far out to say where this is going.
I'm saying this with all due respect, but...
If you told me that a TD formed from an African wave at the latitude and longitude of the Cape Verde Islands in mid-Sept, without looking at a single piece of model guidance, I could guess that it was going to recurve and be right ~95% of the time.
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Re: ATL: TWELVE - Tropical Depression - Discussion
Well, well, well, good ol' shear decides to take a break for once in the MDR.
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Model Runs Cheat Sheet:
GFS (5:30 AM/PM, 11:30 AM/PM)
HWRF, GFDL, UKMET, NAVGEM (6:30-8:00 AM/PM, 12:30-2:00 AM/PM)
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- cycloneye
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Re: ATL: TWELVE - Tropical Depression - Discussion
Hello KARL?
AL, 12, 2016091600, , BEST, 0, 178N, 319W, 40, 1005, TS
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Re: ATL: TWELVE - Tropical Depression - Discussion
00z Best Track:
TS @ 11pm?
TS @ 11pm?
Tropical Storm TWELVE
As of 00:00 UTC Sep 16, 2016:
Location: 17.8°N 31.9°W
Maximum Winds: 40 kt Gusts: N/A
Minimum Central Pressure: 1005 mb
Environmental Pressure: 1011 mb
Radius of Circulation: 160 NM
Radius of Maximum Wind: 45 NM
Eye Diameter: N/A
34 kt Wind Radii by Quadrant:
80 NM 140 NM
0 NM 80 NM
As of 00:00 UTC Sep 16, 2016:
Location: 17.8°N 31.9°W
Maximum Winds: 40 kt Gusts: N/A
Minimum Central Pressure: 1005 mb
Environmental Pressure: 1011 mb
Radius of Circulation: 160 NM
Radius of Maximum Wind: 45 NM
Eye Diameter: N/A
34 kt Wind Radii by Quadrant:
80 NM 140 NM
0 NM 80 NM
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- Hurricaneman
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Re: ATL: TWELVE - Tropical Depression - Discussion
TheStormExpert wrote:00z Best Track:
TS @ 11pm?Tropical Storm TWELVE
As of 00:00 UTC Sep 16, 2016:
Location: 17.8°N 31.9°W
Maximum Winds: 40 kt Gusts: N/A
Minimum Central Pressure: 1005 mb
Environmental Pressure: 1011 mb
Radius of Circulation: 160 NM
Radius of Maximum Wind: 45 NM
Eye Diameter: N/A
34 kt Wind Radii by Quadrant:
80 NM 140 NM
0 NM 80 NM
probably, but its still sheared, kind of like Ian but seems like its trying to stack
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- Fego
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Re: ATL: TWELVE - Tropical Depression - Discussion
We will see what the NHC says in the 11pm bulletin.


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Re: ATL: TWELVE - Tropical Depression - Discussion
Latest ASCAT caught part of the storm.


Last edited by blazess556 on Thu Sep 15, 2016 8:17 pm, edited 1 time in total.
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Re: ATL: TWELVE - Tropical Depression - Discussion
cycloneye wrote:Hello KARL?AL, 12, 2016091600, , BEST, 0, 178N, 319W, 40, 1005, TS
If true, that's 50 mph and wasn't expected to happen for another 5 days!
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- Hurricaneman
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Re: ATL: TWELVE - Tropical Depression - Discussion
abajan wrote:cycloneye wrote:Hello KARL?AL, 12, 2016091600, , BEST, 0, 178N, 319W, 40, 1005, TS
If true, that's 50 mph and wasn't expected to happen for another 5 days!
based on that the Euro seems to be closer to reality than the GFS
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- cycloneye
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Re: ATL: TWELVE - Tropical Depression - Discussion
In fact,Best Track was adjusted on 18z to TS.
AL, 12, 2016091518, , BEST, 0, 177N, 308W, 35, 1007, TS
AL, 12, 2016091600, , BEST, 0, 178N, 319W, 40, 1005, TS
AL, 12, 2016091600, , BEST, 0, 178N, 319W, 40, 1005, TS
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Re: ATL: TWELVE - Tropical Depression - Discussion
Southwesterly shear is still quite strong currently, but 00z ships shows a rather favorable upper-level environment starting tomorrow evening. 

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- Cunxi Huang
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Re: RE: Re: ATL: TWELVE - Tropical Depression - Discussion
abajan wrote:cycloneye wrote:Hello KARL?AL, 12, 2016091600, , BEST, 0, 178N, 319W, 40, 1005, TS
If true, that's 50 mph and wasn't expected to happen for another 5 days!
Seems like ATL is so easy to have a named tc

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- gatorcane
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Re: ATL: TWELVE - Tropical Depression - Discussion
Global models look to be in pretty good agreement on 500mb ridge building over the Eastern United States and Western Atlantic in a week's time. The fact they show this pattern with an incoming cyclone from the east is a bit concerning. The ridge might break down by hours 200+ allowing a recurve but certainly not set in stone at this point. That is so far out in the model runs and the errors are large that far out.
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Re: ATL: TWELVE - Tropical Depression - Discussion
it look low west of those storms area so likely is shear ts Kate i see next name larry that one going name after larry storm2k 

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