ATL: HERMINE - Models

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Re: ATL: INVEST 99L - Models

#1581 Postby jlauderdal » Mon Aug 22, 2016 7:01 pm

AtlanticWind wrote:Wow 961MB on the HWRF

Hwrf has been overcooking intensity for years
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Re: ATL: INVEST 99L - Models

#1582 Postby SFLcane » Mon Aug 22, 2016 7:02 pm

HWRF has a powerful hurricane heading westward towards Florida. Likely overdone..lets hope.

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Re: ATL: INVEST 99L - Models

#1583 Postby gatorcane » Mon Aug 22, 2016 7:05 pm

Scary HWRF. Look at the upper-air pattern for this. No ULL to be seen like the GFS:

Image
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Re: ATL: INVEST 99L - Models

#1584 Postby CrazyC83 » Mon Aug 22, 2016 7:06 pm

What is causing the models to sense that this will make a boomerang like move back over Florida when in the Gulf? Ridge over the western Gulf combined with a building trough for a late recurve?
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Re: ATL: INVEST 99L - Models

#1585 Postby SEASON_CANCELED » Mon Aug 22, 2016 7:07 pm

What is the timeframe for this??? Late week?
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Re: ATL: INVEST 99L - Models

#1586 Postby northjaxpro » Mon Aug 22, 2016 7:09 pm

SFLcane wrote:HWRF has a powerful hurricane heading westward towards Florida. Likely overdone..lets hope.

Image


Man ain't that the truth!!!!!!! Please let this likely be overdone!!
Last edited by northjaxpro on Mon Aug 22, 2016 7:10 pm, edited 2 times in total.
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Re: ATL: INVEST 99L - Models

#1587 Postby SEASON_CANCELED » Mon Aug 22, 2016 7:09 pm

CrazyC83 wrote:What is causing the models to sense that this will make a boomerang like move back over Florida when in the Gulf? Ridge over the western Gulf combined with a building trough for a late recurve?



Models smell ridging..they are usually right about this but again these are just models
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Re: ATL: INVEST 99L - Models

#1588 Postby CrazyC83 » Mon Aug 22, 2016 7:10 pm

SFLcane wrote:HWRF has a powerful hurricane heading westward towards Florida. Likely overdone..lets hope.

Image


Since that is a very compact storm, 958mb may be enough for a Cat 4 there.
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Re: ATL: INVEST 99L - Models

#1589 Postby gatorcane » Mon Aug 22, 2016 7:14 pm

That HWRF looks like it could end up similar to the 1947 Palm Beach hurricane but even stronger in the Bahamas:

http://weather.unisys.com/hurricane/atl ... /track.gif
Last edited by gatorcane on Mon Aug 22, 2016 7:17 pm, edited 3 times in total.
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Re: ATL: INVEST 99L - Models

#1590 Postby AutoPenalti » Mon Aug 22, 2016 7:15 pm

SEASON_CANCELED wrote:What is the timeframe for this??? Late week?

This Sunday at 126 Hrs
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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
is a weighted averaged

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Re: ATL: INVEST 99L - Models

#1591 Postby xcool22 » Mon Aug 22, 2016 7:15 pm

wow HWRF omg :eek:
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Re: ATL: INVEST 99L - Models

#1592 Postby paintplaye » Mon Aug 22, 2016 7:16 pm

CrazyC83 wrote:What is causing the models to sense that this will make a boomerang like move back over Florida when in the Gulf? Ridge over the western Gulf combined with a building trough for a late recurve?



Strong ridging is developing over the southeast coast and creates the westward push. Both the GFS and ECMWF indicate this, but the key will be how fast this breaks down and moves westward.

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Re: ATL: INVEST 99L - Models

#1593 Postby gatorcane » Mon Aug 22, 2016 7:18 pm

Only thing I will say about the HWRF is that was showing a hurricane out of 99L near Barbados several days ago in its runs and that doesn't look like it will happen.
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Re: ATL: INVEST 99L - Models

#1594 Postby AutoPenalti » Mon Aug 22, 2016 7:20 pm

HWRF is overdone, it'll change.
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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
is a weighted averaged

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Re: ATL: INVEST 99L - Models

#1595 Postby ronjon » Mon Aug 22, 2016 7:21 pm

Even 18z GFDL now develops 99L into 1000 mb tropical storm in Bahamas at 126 hrs.
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Re: ATL: INVEST 99L - Models

#1596 Postby BobHarlem » Mon Aug 22, 2016 7:23 pm

I am not liking this trend of no models going out to sea on 99L, I just hope it stays on the weak side.
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Re: ATL: INVEST 99L - Models

#1597 Postby TeamPlayersBlue » Mon Aug 22, 2016 7:26 pm

Very early on but i still think this ends up heading into the gulf. Whatever it is by then, i have no idea, but the way that high pressure disappears on the Euro, not so sure about that.
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Re: ATL: INVEST 99L - Models

#1598 Postby northjaxpro » Mon Aug 22, 2016 7:28 pm

I normally agree that the HWRF overdoes intensity in most instances. BUT, the model did show Danny's rapid intensification into a major hurricane from last season. So, you certainly can't.completely discount it.
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Re: ATL: INVEST 99L - Models

#1599 Postby jlauderdal » Mon Aug 22, 2016 7:32 pm

northjaxpro wrote:I normally agree that the HWRF overdoes intensity in most instances. BUT, the model did show Danny's rapid intensification to a major hurricane from last season. So, you certainly can't.completely discount it.
correct, each model has its bias and hwrf could verify
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Re: ATL: INVEST 99L - Models

#1600 Postby PTrackerLA » Mon Aug 22, 2016 7:33 pm

I've seen tweets about how great the HWRF was for Earl. To spare myself from a long search can anyone sum up what it saw before other models did?
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