ATL: LARRY - Models

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ATL: LARRY - Models

#1 Postby cycloneye » Mon Aug 30, 2021 1:07 pm

Only model runs.
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Re: ATL: INVEST 90L - Models

#2 Postby AlphaToOmega » Mon Aug 30, 2021 1:24 pm

The GFS shows two tropical cyclones.
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Re: ATL: INVEST 90L - Models

#3 Postby Zonacane » Mon Aug 30, 2021 1:30 pm

Repeat after me: Not. Guaranteed. To. Recurve
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Re: ATL: INVEST 90L - Models

#4 Postby eastcoastFL » Mon Aug 30, 2021 1:48 pm

Zonacane wrote:Repeat after me: Not. Guaranteed. To. Recurve


Yup. Globals looked to be trending a little west. Will have to see what they do when a well defined low forms
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Re: ATL: INVEST 90L - Models

#5 Postby cycloneye » Mon Aug 30, 2021 1:50 pm

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Re: ATL: INVEST 90L - Models

#6 Postby cycloneye » Mon Aug 30, 2021 2:04 pm

In this 12z run Euro gets closer to Bermuda.

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Re: ATL: INVEST 90L - Models

#7 Postby AutoPenalti » Mon Aug 30, 2021 2:06 pm

Zonacane wrote:Repeat after me: Not. Guaranteed. To. Recurve

I was very skeptical in the beginning and continue to do so.
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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)
ECMWF (1:45 AM/PM)

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is a weighted averaged

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Re: ATL: INVEST 90L - Models

#8 Postby Hypercane_Kyle » Mon Aug 30, 2021 2:09 pm

12z GFS is a mess. Has two areas of low pressures tugging 90L north.

This is the Euro's storm. It correctly modeled this nearly two weeks in advance. I knock on the Euro a lot, but here it's done an incredibly impressive job predicting this.
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Re: ATL: INVEST 90L - Models

#9 Postby Blown Away » Mon Aug 30, 2021 3:08 pm

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12z EURO... Continues to shift slightly SW, still appears fishy... Look at the size of 90L at 240 hours compared to Ida...
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Re: ATL: INVEST 90L - Models

#10 Postby Blown Away » Mon Aug 30, 2021 3:32 pm

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First model plot for 90L... Does the Ukmet always start way L of everything else. :D
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Re: ATL: INVEST 90L - Models

#11 Postby tolakram » Mon Aug 30, 2021 3:42 pm

Let's start with the Euro, beeline to Bermuda.

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Re: ATL: INVEST 90L - Models

#12 Postby tolakram » Mon Aug 30, 2021 3:44 pm

GFS
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Re: ATL: INVEST 90L - Models

#13 Postby tolakram » Mon Aug 30, 2021 3:46 pm

CMC
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Re: ATL: INVEST 90L - Models

#14 Postby cheezyWXguy » Mon Aug 30, 2021 3:50 pm

tolakram wrote:Let's start with the Euro, beeline to Bermuda.

https://i.imgur.com/HkB2JkH.gif

Really not a fan of that ridge building in at the end. Good thing it’s so far out.
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Re: ATL: INVEST 90L - Models

#15 Postby SEASON_CANCELED » Mon Aug 30, 2021 5:43 pm

Looks like a fish spinner....but will keep an eye out
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Re: ATL: INVEST 90L - Models

#16 Postby SouthFLTropics » Mon Aug 30, 2021 5:47 pm

All of the models seem to be onboard for this one and make it significant. Assuming this doesn't continue chugging west and stays a fish, I look forward to seeing what kind of potential this one has. I'm sure it is going to rack up some ACE.
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Re: ATL: INVEST 90L - Models

#17 Postby gatorcane » Mon Aug 30, 2021 7:24 pm

Looks like a strong fish signal thankfully, but we will need to wait a bit longer to know for sure and there is always Bermuda also:

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Re: ATL: INVEST 90L - Models

#18 Postby cheezyWXguy » Mon Aug 30, 2021 7:31 pm

gatorcane wrote:Looks like a strong fish signal thankfully, but we will need to wait a bit longer to know for sure and there is always Bermuda also:

https://i.postimg.cc/qvpLLG0W/gfs-ememb-lowlocs-atl-fh0-168.gif


Problem is the gefs seems heavily influenced by the idea of 2 storms forming out of this region, which probably isn’t likely. I still ultimately think this will probably be a fish if it doesn’t run into Bermuda or scrape Canada, but I agree more with the euro’s westward evolution over the next 5-7 days.
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Re: ATL: INVEST 90L - Models

#19 Postby tomatkins » Mon Aug 30, 2021 7:43 pm

cheezyWXguy wrote:
gatorcane wrote:Looks like a strong fish signal thankfully, but we will need to wait a bit longer to know for sure and there is always Bermuda also:

https://i.postimg.cc/qvpLLG0W/gfs-ememb-lowlocs-atl-fh0-168.gif


Problem is the gefs seems heavily influenced by the idea of 2 storms forming out of this region, which probably isn’t likely. I still ultimately think this will probably be a fish if it doesn’t run into Bermuda or scrape Canada, but I agree more with the euro’s westward evolution over the next 5-7 days.

Operational GFS sure does take its sweet time with Larry - still has it out in the central Atlantic on day 16 heading towards the Azores. Its a fish storm that is determined to take out all the fish.
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Re: ATL: INVEST 90L - Models

#20 Postby LarryWx » Mon Aug 30, 2021 8:31 pm

Here is the 18Z EPS at 144 (end of run): All 51 members are still recurving with already a NW to NNW movement by ~hour 120. And this includes those members moving W to WNW pretty far south initially in the eastern Atlantic. Granted, the mean is a bit further west than the prior runs. But still there's more than enough upper troughing coming into the NE US that follows Ida which all serve to keep the WAR quite weak for the next 7-10 days and thus enough steering to allow for a recurve well away from the SE US.

Nothing is ever close to being set in stone this far in advance in the tropics. So, it obviously is still worth monitoring. But I continue to like the odds a lot right now of avoiding the SE US. Besides, a storm named Larry shouldn't be one to fear. :lol:

Also, Bermuda, Canada, and even the NE US are in somewhat more danger, especially Bermuda. But that can be addressed later.

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