ATL: ERIKA - Remnants - Discussion

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northjaxpro
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#2061 Postby northjaxpro » Fri Aug 28, 2015 12:17 am

Image

Image

Image
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Re:

#2062 Postby SapphireSea » Fri Aug 28, 2015 12:20 am

deltadog03 wrote:LOL this is awful trying to figure out. Might have to re-think my intensity forecast. will wait for the old DOC to see whats up. Might not make it to Hurricane...Hell, it might not make it after DR/Haiti


Definitely looks like it's a mess structurally. Many little vortexes embedded in the larger circulation; the convection outflow is also going to keep hurting chances for it to consolidate. But, food for thought is the old knowledge that weak open waves handle mountains better than closed lows. Is this set of info still true? I believe I read a paper some time ago about this with tropical systems. In any case I suppose it would not be Erika anymore; but operationally its still the same envelope.
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Re: ATL: ERIKA - Tropical Storm - Discussion

#2063 Postby tolakram » Fri Aug 28, 2015 12:25 am

The far away view shows me (amateur) the the general center of circulation is heading past PR and into Hispaniola in generally a west / north of west direction.

http://tropic.ssec.wisc.edu/real-time/mimic-tpw/natl/main.html
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Re: Re:

#2064 Postby LarryWx » Fri Aug 28, 2015 12:25 am

SouthFLTropics wrote:
LarryWx wrote:IF Erika hits the CONUS as a TC, it would be the one that reached TS intensity the furthest east per records (47.7W) since 1899 during a strong El Nino that subsequently hit the CONUS.


I'm curious how they know the historical data on this that far out in the ocean prior to the satellite era.


A good number of storms, especially fish storms, had to have been missed before satellites. It largely relied on ship data out in the open ocean though recon started before satellites. But just within the satellite era (six strong El Ninos), the furthest east a TC became a TS and later hit the CONUS was 1965's Betsy (63.4W). Erika would obliterate that with its 47.7W if it were to hit the CONUS as a TC..
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#2065 Postby Steve » Fri Aug 28, 2015 12:27 am

It's like this. No one is a bigger fan of Joe Bastardi than I am (though I refuse to pay for their service). He taught me more about the tropics and pattern recognition than anyone. And he is very serious in his research. %#*+ I even quoted him today. But it's 100% take it with a grain of salt. In the last couple of days, he had no problem with an east of Florida bomb out, a potential major landfall and not much. Being able to wade through the tweets is key. He is as wrong as he is right. But like a certain Midwestern presidential candidate who will not be named due to the rules, if you give several different answers to the same question over a short span, you probably have a legitimate shot at getting it right with one of your given answers. The key for journalists, who in this case are played by weather info consumers, is not to lose sight of 1 out of 3 being 66% wrong and not forgetting. Sure, things change and there should be an allowance for an evolving forecast. But when an individual is as cocksure as he often can be, they get judged accordingly. In that regard, I'll be ignoring him the rest of Erika.
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Re: ATL: ERIKA - Tropical Storm - Discussion

#2066 Postby tolakram » Fri Aug 28, 2015 12:28 am

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#2067 Postby ConvergenceZone » Fri Aug 28, 2015 12:33 am

Wow, this looks worse then last night even, just a big huge blob of convection. Even the last NHC advisory stated that it may not survive and this time I'm really listening to them.....
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Re:

#2068 Postby Blinhart » Fri Aug 28, 2015 12:33 am

northjaxpro wrote:Image

Image

Image


looking at these almost looks like it is moving a little bit of South of West.
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Re: ATL: ERIKA - Tropical Storm - Discussion

#2069 Postby Hammy » Fri Aug 28, 2015 12:34 am



I know almost for sure that I'm going to regret saying this by tomorrow, but it looks like the vortex near PR -may- possibly be trying to take over as the main one, or at least in that vicinity, by watching low cloud motion.

Either way it doesn't bode well, as it's well removed from the convection and likely to go over DR in not too long.
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Re: ATL: ERIKA - Tropical Storm - Discussion

#2070 Postby SapphireSea » Fri Aug 28, 2015 12:38 am

Gut instinct tells me to look at 16.5N and approximately 65.2W. Around between the two convective balls for a true center. Moving 275-280. One thing that stumps me is how its possible for such a large piece of convection to persist without some sort of low nearby. But, for now I agree with those that state that this thing is either A) Dead or B) On its final legs.
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#2071 Postby Steve » Fri Aug 28, 2015 12:39 am

That's probably just a rotating vortex. NHC has been giving us until Sunday before intensification for the last 36+ hours. It's pretty clear that those thinking it would get going tonight would be premature. If it did, it was bound to find a way to get knocked back by just about every model but the GFDL which had what turns out to have been unreasonable and unreliable solutions. Expect some give and take over the next 2/2.5 days. After that is anyone's guess.
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#2072 Postby AutoPenalti » Fri Aug 28, 2015 12:39 am

Is there so much shear that not even this storm can handle it?
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GFS (5:30 AM/PM, 11:30 AM/PM)
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ECMWF (1:45 AM/PM)

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Re: ATL: ERIKA - Tropical Storm - Discussion

#2073 Postby tolakram » Fri Aug 28, 2015 12:40 am

I hesitate to say anything just before the euro runs, but the 18Z HWRF didn't develop this (0Z is a weak TS), which tells me it picked up on something different, I just don't know what it is. Bad structure, bad upper air conditions, someone reminded it there's a giant el nino in the Pacific .... ??
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Re: ATL: ERIKA - Tropical Storm - Discussion

#2074 Postby Steve » Fri Aug 28, 2015 12:42 am

SapphireSea wrote:Gut instinct tells me to look at 16.5N and approximately 65.2W. Around between the two convective balls for a true center. Moving 275-280. One thing that stumps me is how its possible for such a large piece of convection to persist without some sort of low nearby. But, for now I agree with those that state that this thing is either A) Dead or B) On its final legs.


I could be completely wrong, but I think it's partially shear induced which is why the majority of the energy has been trailing East of the center
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Re: ATL: ERIKA - Tropical Storm - Discussion

#2075 Postby tolakram » Fri Aug 28, 2015 12:49 am

Closer radar loop (saved)

Image
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Re:

#2076 Postby ROCK » Fri Aug 28, 2015 12:50 am

Steve wrote:That's probably just a rotating vortex. NHC has been giving us until Sunday before intensification for the last 36+ hours. It's pretty clear that those thinking it would get going tonight would be premature. If it did, it was bound to find a way to get knocked back by just about every model but the GFDL which had what turns out to have been unreasonable and unreliable solutions. Expect some give and take over the next 2/2.5 days. After that is anyone's guess.



Agree Steve with your JB comment though i like the guy because of our bodybuuilding relation. The dude a beast or was...:lol:

I also agree on the multiple vortex's rotating around. I thought that main vortax that was naked today was the one but now I dont think so unless its being drawn SW into the heavier convection.
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Re: ATL: ERIKA - Tropical Storm - Discussion

#2077 Postby ROCK » Fri Aug 28, 2015 12:52 am

tolakram wrote:Closer radar loop (saved)

Image



that vortax on radar running under PR looks to be fading fast...I dont think its the alpha male of centers IMO....
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#2078 Postby HurriGuy » Fri Aug 28, 2015 12:57 am

ECMWF opens up to a wave after hitting the D.R.
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Re: ATL: ERIKA - Tropical Storm - Discussion

#2079 Postby SapphireSea » Fri Aug 28, 2015 12:57 am

Steve wrote:
SapphireSea wrote:Gut instinct tells me to look at 16.5N and approximately 65.2W. Around between the two convective balls for a true center. Moving 275-280. One thing that stumps me is how its possible for such a large piece of convection to persist without some sort of low nearby. But, for now I agree with those that state that this thing is either A) Dead or B) On its final legs.


I could be completely wrong, but I think it's partially shear induced which is why the majority of the energy has been trailing East of the center


I would normally agree, but shear induced convection will normally have abnormal outflow from them; On top of the fact that its usually sporadic and ragged and very very short lived; These are large balls of energy that have persisted for some time around the vicinity of our "storm". But, I will take your answer as a possibility as I am stumped to explain how its possible. Perhaps it may be lower convergence related as well.
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#2080 Postby TimeZone » Fri Aug 28, 2015 12:58 am

This thing is a mess. I honestly think it's dying.

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