ATL: FRED - Models

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AxaltaRacing24
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Re: ATL: SIX - Models

#301 Postby AxaltaRacing24 » Tue Aug 10, 2021 12:14 pm

HurricaneFrances04 wrote:Looks like the trend the last few runs has been more north and east. 12z euro will be interesting.

To Louisiana it goes.
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Re: ATL: SIX - Models

#302 Postby AutoPenalti » Tue Aug 10, 2021 12:14 pm

Now that's hilarious... HWRF literally threading the needle with the Mona Passage scenario. Because of this, it's stronger than 06z
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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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Re: ATL: SIX - Models

#303 Postby kevin » Tue Aug 10, 2021 12:17 pm

12z HWRF reaches hurricane strength at +54 hrs.

Image
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Re: ATL: SIX - Models

#304 Postby AutoPenalti » Tue Aug 10, 2021 12:19 pm

kevin wrote:12z HWRF reaches hurricane strength at +54 hrs.

https://i.imgur.com/pVHDJpt.png

Pressure seems right but the windspeed a little too high.
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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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Re: ATL: SIX - Models

#305 Postby Shell Mound » Tue Aug 10, 2021 12:24 pm

AutoPenalti wrote:
kevin wrote:12z HWRF reaches hurricane strength at +54 hrs.

https://i.imgur.com/pVHDJpt.png

Pressure seems right but the windspeed a little too high.

I still don’t think this will become stronger than a low-end TS before impacting South Florida and/or the Keys. The HWRF is suffering from feedback again.
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Re: ATL: SIX - Models

#306 Postby BobHarlem » Tue Aug 10, 2021 12:34 pm

HMON Comes back to life at 84 hours out.
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Re: ATL: SIX - Models

#307 Postby AutoPenalti » Tue Aug 10, 2021 12:38 pm

HWRF entering the Gulf Stream 984mb.
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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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Re: ATL: SIX - Models

#308 Postby GeneratorPower » Tue Aug 10, 2021 12:38 pm

The HWRF is tracking this system north of the Greater Antilles and keeps center offshore. That's why it's stronger.
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Re: ATL: SIX - Models

#309 Postby kevin » Tue Aug 10, 2021 12:40 pm

HWRF is doing typical HWRF things. High-end cat 1 Bahamas landfall, 81 kts at +78 hrs. Not saying it's impossible if the true track exactly replicates this run, but seeing as the other models are way less aggressive I'm leaning towards a weaker system than what HWRF is currently showing.

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Re: ATL: SIX - Models

#310 Postby tolakram » Tue Aug 10, 2021 12:41 pm

HWRF a little too convenient a track, plus

IF (over water) and ( > 48 hours) THEN GO CRAZY!
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Re: ATL: SIX - Models

#311 Postby AutoPenalti » Tue Aug 10, 2021 12:43 pm

tolakram wrote:HWRF a little too convenient a track, plus

IF (over water) and ( > 48 hours) THEN GO CRAZY!

I think it's more to do with the reformations to the north. It is convenient that it goes between both islands.
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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)

TCVN
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Re: ATL: SIX - Models

#312 Postby BobHarlem » Tue Aug 10, 2021 12:43 pm

12Z HMON after it comes back to life after the Hispaniola "splat".

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Re: ATL: SIX - Models

#313 Postby SFLcane » Tue Aug 10, 2021 12:44 pm

Look who is coming around even after splashing into islands.

Hmmm..

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Re: ATL: SIX - Models

#314 Postby Jr0d » Tue Aug 10, 2021 12:46 pm

Once again forward speed now makes a big difference on when the turn north will happen. The general trend is a slower storm will turn north further east. The EURO, JMA and to a lesser extent the CMC show the high extending just a little further east and push the storm into the Florida Keys before turning north.

Even 1 mph forward speed difference could mean the difference of turning north into south Florida and limiting time over the water in very favorable conditions or remaining in open water over the Florida Keys while strengthening (perhaps rapidly).

Even a 50 mile difference on the track can make a huge difference.

First thing is Hispaniola, if this system passes just north of the island like the HWRF is showing, then I think the Florida Keys and S. Florida could see a hurricane.

The one thing that is certain is it will be a very small storm until it makes the turn north. This is good for limiting the impacted area but bad because how fast tiny storms can intensify.
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Re: ATL: SIX - Models

#315 Postby Blown Away » Tue Aug 10, 2021 12:46 pm

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12z HWRF 93 Hours... 104 mph Cat 2 Approaching SFL... Slight NE Shift Again.
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Re: ATL: SIX - Models

#316 Postby Shell Mound » Tue Aug 10, 2021 12:47 pm

BobHarlem wrote:12Z HMON after it comes back to life after the Hispaniola "splat".

https://i.imgur.com/tAnKc6T.gif

It’s interesting that the HMON shows rapid regeneration and reorganisation over the Gulf Stream and during landfall on Florida, despite the trek over the islands.
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Re: ATL: SIX - Models

#317 Postby Hypercane_Kyle » Tue Aug 10, 2021 12:50 pm

I will say the potential for a quick episode of rapid intensification right before FL is a little concerning. Conditions do appear more favorable than they were a few days ago.
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Re: ATL: SIX - Models

#318 Postby Blown Away » Tue Aug 10, 2021 12:52 pm

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12z HWRF 96 Hours... Landfall Miami/FTL Winds >100 mph... Slight NE Shift Again.
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Re: ATL: SIX - Models

#319 Postby BobHarlem » Tue Aug 10, 2021 12:52 pm

HWRF with a high end Cat 2 to Dania Beach/Ft. Lauderdale Saturday morning.
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Re: ATL: SIX - Models

#320 Postby AutoPenalti » Tue Aug 10, 2021 12:53 pm

HWRF decimates Broward.
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The posts in this forum are NOT official forecasts and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or STORM2K. For official information, please refer to products from the NHC and NWS.


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)

TCVN
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