ATL: GERT - Post-Tropical - Discussion

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Emmett_Brown
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Re: ATL: INVEST 99L - Models

#1021 Postby Emmett_Brown » Tue Aug 08, 2017 8:44 pm

I am going to enjoy watching this NW shift that the Euro has been showing materialize starting 12z tomorrow morning. I think if it doesn't turn NW it will certainly have track implications.
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Re: ATL: INVEST 99L - Models

#1022 Postby NDG » Tue Aug 08, 2017 9:17 pm

The GFS has been doing a horrible job in forecasting the upper levels, I remember that it was forecasting a sheared environment over 90L in the western Caribbean, thus it was initially not showing 90L to develop.
Now with 99L it shows an ULL to track right along on top of it all the way into the Bahamas while the Euro has been persistently showing an UL ridge to build on top of 99L and moves the ULL away from it.
My money is on the model that has been performing the best these last few days 8-)
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Re: ATL: INVEST 99L - Models

#1023 Postby Digital-TC-Chaser » Tue Aug 08, 2017 9:22 pm

Emmett_Brown wrote:I am going to enjoy watching this NW shift that the Euro has been showing materialize starting 12z tomorrow morning. I think if it doesn't turn NW it will certainly have track implications.


EC does weaken the cane on the run quite quickly as it starts a re-curve NNE.

Its likely you already know.

Image


Image
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Re: ATL: INVEST 99L - Discussion

#1024 Postby AtlanticWind » Tue Aug 08, 2017 9:48 pm

Looking for convection to blow up as system passes 55 west and waters temps rise.
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Re: ATL: INVEST 99L - Discussion

#1025 Postby Bocadude85 » Tue Aug 08, 2017 10:00 pm

weathaguyry wrote:I really don't think Florida is under the gun with this one, trough is strong and High isn';t quite strong enough to steer it into Florida, that could change, but as of now Florida looks to be pretty safe from this one


As of right now the whole US East coast is in the clear except for maybe the OBX.
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Re: ATL: INVEST 99L - Discussion

#1026 Postby AtlanticWind » Tue Aug 08, 2017 10:10 pm

Bocadude85 wrote:
weathaguyry wrote:I really don't think Florida is under the gun with this one, trough is strong and High isn';t quite strong enough to steer it into Florida, that could change, but as of now Florida looks to be pretty safe from this one


As of right now the whole US East coast is in the clear except for maybe the OBX.


Too early for any all clears,maybe in a couple days
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Re: ATL: INVEST 99L - Discussion

#1027 Postby txwatcher91 » Tue Aug 08, 2017 10:14 pm

Bocadude85 wrote:
weathaguyry wrote:I really don't think Florida is under the gun with this one, trough is strong and High isn';t quite strong enough to steer it into Florida, that could change, but as of now Florida looks to be pretty safe from this one


As of right now the whole US East coast is in the clear except for maybe the OBX.


This is 5 to 7 days out. A lot will change and small shifts upstream can have big track changes. Plus, the system hasn’t even formed yet.
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Re: ATL: INVEST 99L - Discussion

#1028 Postby weathaguyry » Tue Aug 08, 2017 10:21 pm

txwatcher91 wrote:
Bocadude85 wrote:
weathaguyry wrote:I really don't think Florida is under the gun with this one, trough is strong and High isn';t quite strong enough to steer it into Florida, that could change, but as of now Florida looks to be pretty safe from this one


As of right now the whole US East coast is in the clear except for maybe the OBX.


This is 5 to 7 days out. A lot will change and small shifts upstream can have big track changes. Plus, the system hasn’t even formed yet.


I have no idea what may happen to any other areas, for all I know this could end up being a Cat 3 into the Outer Banks with a secondary landfall in NYC, or this could be a weak inverted trof that moves a little west of Bermuda. I was trying to imply that based on the current forecast for the steering pattern, Florida would likely not be affected by this, but that could very well change.
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Re: ATL: INVEST 99L - Discussion

#1029 Postby txwatcher91 » Tue Aug 08, 2017 10:23 pm

weathaguyry wrote:
txwatcher91 wrote:
Bocadude85 wrote:
As of right now the whole US East coast is in the clear except for maybe the OBX.


This is 5 to 7 days out. A lot will change and small shifts upstream can have big track changes. Plus, the system hasn’t even formed yet.


I have no idea what may happen to any other areas, for all I know this could end up being a Cat 3 into the Outer Banks with a secondary landfall in NYC, or this could be a weak inverted trof that moves a little west of Bermuda. I was trying to imply that based on the current forecast for the steering pattern, Florida would likely not be affected by this, but that could very well change.


The key imo is where does the actual center consolidate and also how long the ridging holds. If I had to guess, I would expect models to trend a bit stronger as we get inside 5 days with it.
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Re: ATL: INVEST 99L - Discussion

#1030 Postby floridasun78 » Tue Aug 08, 2017 10:39 pm

weathaguyry wrote:
txwatcher91 wrote:
Bocadude85 wrote:
As of right now the whole US East coast is in the clear except for maybe the OBX.


This is 5 to 7 days out. A lot will change and small shifts upstream can have big track changes. Plus, the system hasn’t even formed yet.


I have no idea what may happen to any other areas, for all I know this could end up being a Cat 3 into the Outer Banks with a secondary landfall in NYC, or this could be a weak inverted trof that moves a little west of Bermuda. I was trying to imply that based on the current forecast for the steering pattern, Florida would likely not be affected by this, but that could very well change.

those strong word to say we cannot scare people in outer bank or nyc we not sure what 7 day from now will bring i bet mets here will agree about putting red flag those area yet
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Re: ATL: INVEST 99L - Discussion

#1031 Postby txwatcher91 » Tue Aug 08, 2017 10:50 pm

So far the GFS has a stronger HP through 72. Not really showing any development still but ridging is a good bit stronger it seems.
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Re: ATL: INVEST 99L - Models

#1032 Postby AtlanticWind » Tue Aug 08, 2017 10:51 pm

GFS still has nada this evening thru 72 hours ,which model is right?
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Re: ATL: INVEST 99L - Models

#1033 Postby floridasun78 » Tue Aug 08, 2017 10:54 pm

AtlanticWind wrote:GFS still has nada this evening thru 72 hours ,which model is right?

none untill we good area to track we dont have now
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Re: ATL: INVEST 99L - Models

#1034 Postby AdamFirst » Tue Aug 08, 2017 11:17 pm

GFS tracks a weak vortmax into the vicinity of the NW Bahamas (just east), loses it completely after Day 6.
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Re: ATL: INVEST 99L - Models

#1035 Postby Siker » Tue Aug 08, 2017 11:22 pm

00z UKMET has dropped this.
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Re: ATL: INVEST 99L - Models

#1036 Postby Steve » Tue Aug 08, 2017 11:37 pm

Siker wrote:00z UKMET has dropped this.


Canadian has been the consistent recurve from last week. It's a little farther east, and the track has an eastward component by SC (latitude). So it's showing no hit. It develops from the northern side of the system fwiw.
https://www.tropicaltidbits.com/analysi ... 0900&fh=84
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Re: ATL: INVEST 99L - Discussion

#1037 Postby Hurricaneman » Tue Aug 08, 2017 11:57 pm

Looks as though it's starting to organize, wouldn't be surprised if this tries to be a depression the next 2 to 3 days
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Re: ATL: INVEST 99L - Discussion

#1038 Postby Socalhurcnegirl227 » Wed Aug 09, 2017 12:06 am

Hurricaneman wrote:Looks as though it's starting to organize, wouldn't be surprised if this tries to be a depression the next 2 to 3 days

Yeah looks less spread out than it did earlier. Wxman57 did mention more favorable conditions toward 55 and 60
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Re: ATL: INVEST 99L - Models

#1039 Postby Digital-TC-Chaser » Wed Aug 09, 2017 12:43 am

GEFS-WRF Ensemble surface winds. Best keep a open mind for now nothing is in stone.
http://www.steve-weather.com/genswrf/smc-wind1.shtml
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Re: ATL: INVEST 99L - Models

#1040 Postby Kingarabian » Wed Aug 09, 2017 1:16 am

00z Euro coming in weaker compared to the past two runs. 72hrs:

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