ATL: NATE - Post Tropical - Discussion

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otowntiger
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Re: ATL: INVEST 90L - Models

#241 Postby otowntiger » Wed Oct 04, 2017 3:45 am

caneman wrote:Mother f'er on that Euro run. While not a landfall in Tampa Bay that run would push up lots of water and depending how strong and or close could cause power outages. Was without power with Irma for 5 days and there are still large amounts of areas that still don't have big debris piles fencing, trees, branches etc picked up. County not doing a good job.

Even if it does track closer to you as the Euro is still the eastern outlier, indications are it will still be not all that strong- t.s or weak and small cat 1. A storm that small and weak won't have catastrophic effects.
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Re: ATL: INVEST 90L - Models

#242 Postby ronjon » Wed Oct 04, 2017 4:50 am

caneman wrote:Mother f'er on that Euro run. While not a landfall in Tampa Bay that run would push up lots of water and depending how strong and or close could cause power outages. Was without power with Irma for 5 days and there are still large amounts of areas that still don't have big debris piles fencing, trees, branches etc picked up. County not doing a good job.


I hear ya caneman. This is what spooks me. When the Euro stays east, others will follow. And the ensembles show even further east tracks than the operational run. :eek:
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Re: ATL: INVEST 90L - Discussion

#243 Postby gulf701 » Wed Oct 04, 2017 4:52 am

AM Discussion by NWS Tallahassee
Much stronger discussion than yesterday.

.LONG TERM [Friday Night Through Wednesday]...

More concerning is the potential tropical development is the
western Caribbean late this week. The NHC has a 70% chance of
tropical cyclone formation in this region in the next 48 hours.
While the full suite of operational guidance develops a tropical
cyclone, there is still a fair amount of uncertainty as to the
eventual track of the low. What can be said is that it`s becoming
increasingly likely that an area of low pressure will move into a
favorable environment in the Gulf and impact the Gulf coast
anywhere from LA to FL on Sunday. The eventual track will depend
greatly upon the strength of the western Atlantic ridge. Models
which favor an eastern track (FL) suggest a breakdown of this
ridge across the Southeast, while westernmost tracks result from
the ridge remaining intact across the Southeast. Operational
models are essentially split 50/50 at this time so it`s not
prudent to place favor on one or the other solutions. Stay
tuned...
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Re: ATL: INVEST 90L - Discussion

#244 Postby northjaxpro » Wed Oct 04, 2017 5:00 am

GCANE wrote:Persisent strong convection just SW of the CoC.
Looks to have some helicity with it.
Should get the surface vort spinning better.



Convection firing around the apparent COC already this morning. The system is very organized already. No doubt in my mind we will have this designated straight to TS status within the next 12- 24 hours.
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Re: ATL: INVEST 90L - Models

#245 Postby otowntiger » Wed Oct 04, 2017 5:20 am

Looks like the latest GFS (6z) is holding to the SE LA landfall as a weak TS. No difference from the 0z run that I can tell. It seems that the Euto is on the right, the GFS on the left and all others in between. Looks like this could be more of a Miss/AL threat in my opinion. It seems the 0z Euro dialed down the intensity as well.
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Re: ATL: INVEST 90L - Models

#246 Postby Digital-TC-Chaser » Wed Oct 04, 2017 5:28 am

Image
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Re: ATL: INVEST 90L - Discussion

#247 Postby GCANE » Wed Oct 04, 2017 5:34 am

850 to 500mb vorts look to be closing off.
850mb appears to be strengthening, obvious on MIMIC-TPW.
Only impairment at the moment is the weak ULL / 355K PV Anomoly over Nicaragua which should push out / dissipate in about 24 hrs.
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Re: ATL: INVEST 90L - Discussion

#248 Postby GCANE » Wed Oct 04, 2017 5:40 am

Looks like a very strong Vortical Hot Tower fired off around 8:00Z and lasted about 1/2 hr.
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Re: ATL: INVEST 90L - Discussion

#249 Postby NDG » Wed Oct 04, 2017 5:41 am

This was the ASCAT pass last night, the western section of its circulation.

Image
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Re: ATL: INVEST 90L - Models

#250 Postby ftolmsteen » Wed Oct 04, 2017 5:57 am

Seems based on the Euro ensembles the stronger it gets the further east it goes. I really hope I don't wake up the next few mornings to see a monster in the Gulf of Honduras.
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Re: ATL: INVEST 90L - Discussion

#251 Postby NDG » Wed Oct 04, 2017 5:57 am

The Island of San Andres, east of Nicaragua is reporting pressure down to 1006 mb.

METAR for: SKSP (San Andres Isl Arpt, --, CO)
Text: SKSP 041000Z 06011KT 8000 RA SCT016 OVC070 25/24 A2972
Temperature: 25.0°C ( 77°F)
Dewpoint: 24.0°C ( 75°F) [RH = 94%]
Pressure (altimeter): 29.72 inches Hg (1006.5 mb)
Winds: from the ENE (60 degrees) at 13 MPH (11 knots; 5.7 m/s)
Visibility: 5 sm ( 8 km)
Ceiling: 7000 feet AGL
Clouds: scattered clouds at 1600 feet AGL, overcast cloud deck at 7000 feet AGL
Weather: RA (moderate rain)
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Re: ATL: INVEST 90L - Models

#252 Postby NDG » Wed Oct 04, 2017 6:23 am

06z HWRF so far through 84 hrs is weaker than previous 2 runs.
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Re: ATL: INVEST 90L - Models

#253 Postby blp » Wed Oct 04, 2017 6:27 am

ftolmsteen wrote:Seems based on the Euro ensembles the stronger it gets the further east it goes. I really hope I don't wake up the next few mornings to see a monster in the Gulf of Honduras.


You are correct. I would keep a close eye if you are Florida West Coast. This looks to be ramping faster than forecast.

Image
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Re: ATL: INVEST 90L - Discussion

#254 Postby PSUHiker31 » Wed Oct 04, 2017 6:35 am

This system and its future track just reminds me so much of Opal
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Re: ATL: INVEST 90L - Discussion

#255 Postby Blown Away » Wed Oct 04, 2017 6:37 am

Image
Healthy convection...
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Re: ATL: INVEST 90L - Models

#256 Postby caneman » Wed Oct 04, 2017 6:38 am

otowntiger wrote:
caneman wrote:Mother f'er on that Euro run. While not a landfall in Tampa Bay that run would push up lots of water and depending how strong and or close could cause power outages. Was without power with Irma for 5 days and there are still large amounts of areas that still don't have big debris piles fencing, trees, branches etc picked up. County not doing a good job.

Even if it does track closer to you as the Euro is still the eastern outlier, indications are it will still be not all that strong- t.s or weak and small cat 1. A storm that small and weak won't have catastrophic effects.


It doesn't have to be catastrophic. I was without power for 5 days, spent hundreds of extra dollars, work was closed for a week, to have an impact and that was just wind and no surge.
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Re: ATL: INVEST 90L - Models

#257 Postby SFLcane » Wed Oct 04, 2017 6:40 am

Very early in terms of US impacts but definite shift eastward in the euro ensembles over night.
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Re: ATL: INVEST 90L - Models

#258 Postby caneman » Wed Oct 04, 2017 6:42 am

caneman wrote:
otowntiger wrote:
caneman wrote:Mother f'er on that Euro run. While not a landfall in Tampa Bay that run would push up lots of water and depending how strong and or close could cause power outages. Was without power with Irma for 5 days and there are still large amounts of areas that still don't have big debris piles fencing, trees, branches etc picked up. County not doing a good job.

Even if it does track closer to you as the Euro is still the eastern outlier, indications are it will still be not all that strong- t.s or weak and small cat 1. A storm that small and weak won't have catastrophic effects.


It doesn't have to be catastrophic to affect you. I was without power for 5 days, spent hundreds of extra dollars, work was closed for a week, kids missed a week of school, tons of cleanup, to have an impact and that was just wind and no surge. We also have a bunch of missiles laying around. The news hammered the power companies, cable companies but for the most part have given the local and county governments a pass. There is still debris everywhere more than 3 weeks later.
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Re: ATL: INVEST 90L - Discussion

#259 Postby South Texas Storms » Wed Oct 04, 2017 6:46 am

7am NHC outlook up to 90%-90%.

Showers and thunderstorms associated with an area of low pressure
located over the southwestern Caribbean Sea have become better
organized since yesterday. This system is expected to become a
tropical depression later today while it moves northwestward toward
the coast of Nicaragua. The low should move slowly northwestward
across or near the eastern portions of Nicaragua and Honduras on
Thursday, move into the northwestern Caribbean Sea by Friday, and
emerge over the southern Gulf of Mexico by Saturday. Interests in
Nicaragua, Honduras, the Yucatan peninsula and western Cuba should
monitor the progress of this system as watches or warnings could be
issued later today. An Air Force Reserve reconnaissance aircraft is
scheduled to investigate the disturbance this afternoon. Regardless
of development, this system will produce heavy rains over portions
of Central America during the next few days, likely causing flash
floods and mudslides.
* Formation chance through 48 hours...high...90 percent.
* Formation chance through 5 days...high...90 percent.
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Re: ATL: INVEST 90L - Models

#260 Postby Dean4Storms » Wed Oct 04, 2017 6:47 am

00z ECM looks suspect as well taking the northern Vort of the TW now off SE FL and moving it due north to a position east of Jax. creating the weakness in the ridge much further east than most all other guidance and thus its further east landfall solution.

I think we're looking at somewhere in between the GFS solution and the ECM, FL Panhandle.
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