ATL: GERT - Post-Tropical - Discussion

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Re: ATL: INVEST 99L - Models

#821 Postby blp » Mon Aug 07, 2017 5:30 pm

Hope we can finally get some run to run consistency with 99l. Everytime it starts to pop up it gets squashed in the 00z run. Let's see what happens tonight.
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Re: ATL: INVEST 99L - Discussion

#822 Postby wxman57 » Mon Aug 07, 2017 5:50 pm

I'd say there may finally be a fair chance of development come this weekend as it approaches the Bahamas. Ensembles strongly indicate a northward turn as it nears the U.S. They also indicate possible hurricane strength. May be a close call, or perhaps a hurricane impact in 7-8 days. Need to keep an eye on 99L.
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Re: ATL: INVEST 99L - Discussion

#823 Postby otowntiger » Mon Aug 07, 2017 5:57 pm

wxman57 wrote:I'd say there may finally be a fair chance of development come this weekend as it approaches the Bahamas. Ensembles strongly indicate a northward turn as it nears the U.S. They also indicate possible hurricane strength. May be a close call, or perhaps a hurricane impact in 7-8 days. Need to keep an eye on 99L.
close call as in it may get close to east coast landfall somewhere or close call regarding hurricane strength?
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Re: ATL: INVEST 99L - Discussion

#824 Postby EquusStorm » Mon Aug 07, 2017 6:00 pm

I'll be in Baltimore over the weekend... if proto-possible-Gert were moving faster, that trip might be a bit more interesting.
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Re: ATL: INVEST 99L - Discussion

#825 Postby ScottNAtlanta » Mon Aug 07, 2017 6:01 pm

My sister just moved to Mt Pleasant SC this week (from the west coast)...I sure hope I'm not going to have to drive down there and put up hurricane shutters this season
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Re: ATL: INVEST 99L - Discussion

#826 Postby blp » Mon Aug 07, 2017 6:12 pm

I think the collapse of the 500mb mid level circulation may finally help this consolidate at the lower levels and lead to something down the road. This thing has really struggled with an elongated circulation throughout most it's run with competing vorticity on the NE and SW sides pulling it apart.
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Re: ATL: INVEST 99L - Discussion

#827 Postby cycloneye » Mon Aug 07, 2017 6:37 pm

8 PM TWO:

A trough of low pressure located about 1000 miles east of the Lesser
Antilles continues to produce disorganized cloudiness and showers.
Development of this system is not expected during the next few
days due to unfavorable environmental conditions. However, some
development of this system is possible by the weekend while the
system moves west-northwestward at about 15 mph over the western
Atlantic.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...low...20 percent


Image
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Re: ATL: INVEST 99L - Discussion

#828 Postby SFLcane » Mon Aug 07, 2017 6:58 pm

wxman57 wrote:I'd say there may finally be a fair chance of development come this weekend as it approaches the Bahamas. Ensembles strongly indicate a northward turn as it nears the U.S. They also indicate possible hurricane strength. May be a close call, or perhaps a hurricane impact in 7-8 days. Need to keep an eye on 99L.


Some strongs words there 57 will be watching here in Florida. Thx for the update.
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Re: ATL: INVEST 99L - Models

#829 Postby txwatcher91 » Mon Aug 07, 2017 7:04 pm

Anyone have the Euro spaghetti ensembles? I’m curious to see the tracks and intensities! Thanks.
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Re: ATL: INVEST 99L - Models

#830 Postby cycloneye » Mon Aug 07, 2017 7:07 pm

txwatcher91 wrote:Anyone have the Euro spaghetti ensembles? I’m curious to see the tracks and intensities! Thanks.


@MJVentrice
12Z Calibrated ECMWF EPS up to 70% chance for development with regards to invest #99L, with a track towards the eastern U.S.


 https://twitter.com/MJVentrice/status/894685535775723521


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Re: ATL: INVEST 99L - Discussion

#831 Postby floridasun78 » Mon Aug 07, 2017 7:17 pm

look like 99l weakling fast tonight
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Re: ATL: INVEST 99L - Discussion

#832 Postby floridasun78 » Mon Aug 07, 2017 7:21 pm

SFLcane wrote:
wxman57 wrote:I'd say there may finally be a fair chance of development come this weekend as it approaches the Bahamas. Ensembles strongly indicate a northward turn as it nears the U.S. They also indicate possible hurricane strength. May be a close call, or perhaps a hurricane impact in 7-8 days. Need to keep an eye on 99L.


Some strongs words there 57 will be watching here in Florida. Thx for the update.
what reading going issue from north Carolina north
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Re: ATL: INVEST 99L - Models

#833 Postby tolakram » Mon Aug 07, 2017 7:40 pm

CYCLONE MIKE wrote:Can always nitpick at least one storm out of every 10 years that went further west than originally modeled. Usually it's the putrid gfs that has everything recurving well east. There has been a trough dropping down almost like clockwork every 7 days this summer. And another this weekend looks to be coming as well. Wouldn't believe the gfs no matter what it showed right now. Euro nailed Franklin and the due west track into Mexico. Also was much closer to being right with cindy than the gfs as well. Have no reason to believe it will be wrong about what ever 99l may become and turning out to sea due to another trough.


We know the GFS is not as good as the euro but check the facts with the track and timing. I am beginning to really tire of the model war crap that goes on around here.

Euro 12Z
Image

Euro 0Z
Image

GFS (all)
Image
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Re: ATL: INVEST 99L - Models

#834 Postby NDG » Mon Aug 07, 2017 7:58 pm

tolakram wrote:
CYCLONE MIKE wrote:Can always nitpick at least one storm out of every 10 years that went further west than originally modeled. Usually it's the putrid gfs that has everything recurving well east. There has been a trough dropping down almost like clockwork every 7 days this summer. And another this weekend looks to be coming as well. Wouldn't believe the gfs no matter what it showed right now. Euro nailed Franklin and the due west track into Mexico. Also was much closer to being right with cindy than the gfs as well. Have no reason to believe it will be wrong about what ever 99l may become and turning out to sea due to another trough.


We know the GFS is not as good as the euro but check the facts with the track and timing. I am beginning to really tire of the model war crap that goes on around here.

Euro 12Z
http://i.imgur.com/LCiIt0t.gif

Euro 0Z
http://i.imgur.com/v1d0zQx.gif

GFS (all)
http://i.imgur.com/iMHFHHy.gif


Yeap, the GFS failed on developing the storm just 3 days ago but it has done better with the ridging holding strong to the north of it.
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Re: ATL: INVEST 99L - Models

#835 Postby Happy Pelican » Mon Aug 07, 2017 8:01 pm

weathaguyry wrote:Since a deep trough is expected to form, I don't really think this will get too far south, I think the OBX northward is in the most danger currently, because any shift west would put the storm in our area


Completely agree. Literally finished rebuilding from Sandy this past June so I don't write anything off until it's long gone. Sadly, many people here (Jersey barriers) have dug in their heels on another devastating storm like Sandy, ever hitting here again.
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Re: ATL: INVEST 99L - Models

#836 Postby Kingarabian » Mon Aug 07, 2017 8:07 pm

NDG wrote:
tolakram wrote:
CYCLONE MIKE wrote:Can always nitpick at least one storm out of every 10 years that went further west than originally modeled. Usually it's the putrid gfs that has everything recurving well east. There has been a trough dropping down almost like clockwork every 7 days this summer. And another this weekend looks to be coming as well. Wouldn't believe the gfs no matter what it showed right now. Euro nailed Franklin and the due west track into Mexico. Also was much closer to being right with cindy than the gfs as well. Have no reason to believe it will be wrong about what ever 99l may become and turning out to sea due to another trough.


We know the GFS is not as good as the euro but check the facts with the track and timing. I am beginning to really tire of the model war crap that goes on around here.

Euro 12Z
http://i.imgur.com/LCiIt0t.gif

Euro 0Z
http://i.imgur.com/v1d0zQx.gif

GFS (all)
http://i.imgur.com/iMHFHHy.gif


Yeap, the GFS failed on developing the storm just 3 days ago but it has done better with the ridging holding strong to the north of it.


I now solely use ensembles for hints of future TC development and when there is a storm to track, I split the solutions from the GFS and Euro.
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Re: ATL: INVEST 99L - Discussion

#837 Postby AtlanticWind » Mon Aug 07, 2017 8:07 pm

Looking to sell what happens when the wave passes 55 west, sea surface temperatures really increase from then on.
We have seen many waves explode at that point if conditions are at least marginal.
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Re: ATL: INVEST 99L - Models

#838 Postby jlauderdal » Mon Aug 07, 2017 8:08 pm

tolakram wrote:
CYCLONE MIKE wrote:Can always nitpick at least one storm out of every 10 years that went further west than originally modeled. Usually it's the putrid gfs that has everything recurving well east. There has been a trough dropping down almost like clockwork every 7 days this summer. And another this weekend looks to be coming as well. Wouldn't believe the gfs no matter what it showed right now. Euro nailed Franklin and the due west track into Mexico. Also was much closer to being right with cindy than the gfs as well. Have no reason to believe it will be wrong about what ever 99l may become and turning out to sea due to another trough.


We know the GFS is not as good as the euro but check the facts with the track and timing. I am beginning to really tire of the model war crap that goes on around here.

Euro 12Z
[i mg]http://i.imgur.com/LCiIt0t.gif[/img]

Euro 0Z
[im g]http://i.imgur.com/v1d0zQx.gif[/img]

GFS (all)
[i mg]http://i.imgur.com/iMHFHHy.gif[/img]


The models often time have differing solutions and that is worthy of discussion.
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Re: ATL: INVEST 99L - Models

#839 Postby jlauderdal » Mon Aug 07, 2017 8:13 pm

Bocadude85 wrote:The models are almost always to far east in the beginning. Hurricane Matthew is a great example of the models slowly shifting west and finally locking onto the final outcome 2 days or so out.

Im thinking anywhere south of copans is in the clear, north of that watch out.. :P
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Re: ATL: INVEST 99L - Models

#840 Postby AtlanticWind » Mon Aug 07, 2017 8:15 pm

jlauderdal wrote:
Bocadude85 wrote:The models are almost always to far east in the beginning. Hurricane Matthew is a great example of the models slowly shifting west and finally locking onto the final outcome 2 days or so out.

Im thinking anywhere south of copans is in the clear, north of that watch out.. :P

What if I am driving on copans,am I ok :D
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