ATL: ISAAC - Models

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Hurricane Alexis
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Re: ATL: INVEST 94L - Models

#221 Postby Hurricane Alexis » Sat Aug 18, 2012 4:56 pm

GFS keeps it weak 3 days from now, with that ridge to the north it will probably continue west through the eastern caribbean.

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#222 Postby floridasun78 » Sat Aug 18, 2012 5:01 pm

what what was saying you cannot go by early run of gfs
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#223 Postby gatorcane » Sat Aug 18, 2012 5:08 pm

18Z GFS 114 hours from now, 1006MB low:

Image
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#224 Postby Aric Dunn » Sat Aug 18, 2012 5:13 pm

remember the gfs is not an intensity guidance.
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Re:

#225 Postby Hurricane Alexis » Sat Aug 18, 2012 5:16 pm

Aric Dunn wrote:remember the gfs is not an intensity guidance.


What about the Euro?
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Re: Re:

#226 Postby tolakram » Sat Aug 18, 2012 5:18 pm

Hurricane Alexis wrote:
Aric Dunn wrote:remember the gfs is not an intensity guidance.


What about the Euro?


No model is good at intensity.
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#227 Postby gatorcane » Sat Aug 18, 2012 5:20 pm

18Z GFS kills the system over Hispaniola and has a near identical track to the latest ECMWF prediction. Intensity-wise GFS shows a little bit more of an intense system but both keep this weak now. Interesting...
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rainstorm

#228 Postby rainstorm » Sat Aug 18, 2012 5:44 pm

this might be the best chance of the season. hopefully it doesnt just poof out. models trends arent good.
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Re: Re:

#229 Postby AJC3 » Sat Aug 18, 2012 5:46 pm

tolakram wrote:
Hurricane Alexis wrote:
Aric Dunn wrote:remember the gfs is not an intensity guidance.


What about the Euro?


No model is good at intensity.



Just to clarify, they're talking about the model guidance with respect to the intensity of TC's.

Global model guidance is made (and quite useful) for diagnosing intensities of mid latitude features such as surface highs and XT lows,
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Re:

#230 Postby jinftl » Sat Aug 18, 2012 5:47 pm

Off topic but Gordon is making a run at a Cat 3...he may be the 'one' because it's actually happening...not a future model run...sorry...back to 94L

rainstorm wrote:this might be the best chance of the season. hopefully it doesnt just poof out. models trends arent good.
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Re:

#231 Postby AJC3 » Sat Aug 18, 2012 5:47 pm

rainstorm wrote:this might be the best chance of the season. hopefully it doesnt just poof out. models trends arent good.


Then again, it might just be one of several.
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Re: Re:

#232 Postby rainstorm » Sat Aug 18, 2012 5:59 pm

AJC3 wrote:
rainstorm wrote:this might be the best chance of the season. hopefully it doesnt just poof out. models trends arent good.


Then again, it might just be one of several.


there are several nice waves following behind.
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Re: Re:

#233 Postby Riptide » Sat Aug 18, 2012 6:05 pm

rainstorm wrote:
AJC3 wrote:
rainstorm wrote:this might be the best chance of the season. hopefully it doesnt just poof out. models trends arent good.


Then again, it might just be one of several.


there are several nice waves following behind.

Indeed, it's always the "next" tropical wave. Still trust observational evidence over models, this one is clearly going to develop.
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Models going weird again

#234 Postby Cyclenall » Sat Aug 18, 2012 6:15 pm

gatorcane wrote:18Z GFS 114 hours from now, 1006MB low:

Image

That's quite a nice train starting there, under a ridge!

At this point I still waiting for the GFDL and HWRF models to run on this thing, they have been poor so far in terms of starting up on Invests this year. Other years those models would have started running on 94L days ago. The 12z Euro was another disappointment I see.
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#235 Postby Caribwxgirl » Sat Aug 18, 2012 6:19 pm

I've found from my time on this site that I have kind of learnt not to make any assumptions until we have at least a defined TD/cyclone. Honestly if I hadn't learnt that my imaginings alone would give me heart failure from some model runs :lol:
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Re: Models going weird again

#236 Postby Caribwxgirl » Sat Aug 18, 2012 6:21 pm

Cyclenall wrote:
gatorcane wrote:18Z GFS 114 hours from now, 1006MB low:

http://img694.imageshack.us/img694/4217 ... htpmsltrop.]

That's quite a nice train starting there, under a ridge!

At this point I still waiting for the GFDL and HWRF models to run on this thing, they have been poor so far in terms of starting up on Invests this year. Other years those models would have started running on 94L days ago. The 12z Euro was another disappointment I see.


Yep some train lol
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Weatherfreak000

Re: ATL: INVEST 94L - Models

#237 Postby Weatherfreak000 » Sat Aug 18, 2012 7:14 pm

It's too far North......looks like it's nearing 15N. I can truly see models perhaps lifting North now.
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Re: ATL: INVEST 94L - Models

#238 Postby blp » Sat Aug 18, 2012 7:30 pm

Finally the HWRF is run at the 18z. Keeps it weak and has a few other vorts behind it.

http://moe.met.fsu.edu/cgi-bin/hwrftc2.cgi?time=2012081818-invest94l&field=Sea+Level+Pressure&hour=Animation
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#239 Postby hurricanetrack » Sat Aug 18, 2012 7:31 pm

Speaking of models and how they don't do well with intensity (globals that is), just look at Gordon. Did any of the recent runs over the last few days suggest that Gordon would reach 110 mph? Yet, there it is and over almost no heat content too. Just goes to show what can happen when the atmosphere is conducive given just enough warm water. So who knows? Maybe the status quo of weak MDR systems will continue and the GFS/Euro solution in fact comes to pass. We'll know in a few days, that' the only certainty.
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Re: ATL: INVEST 94L - Models

#240 Postby Bocadude85 » Sat Aug 18, 2012 7:34 pm

Weatherfreak000 wrote:It's too far North......looks like it's nearing 15N. I can truly see models perhaps lifting North now.

Even if this does consolidate at 15n this should move due west if not a little south of due west
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