EPAC: MARIE - Post-Tropical

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tolakram
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#261 Postby tolakram » Sat Aug 23, 2014 10:08 am

Yellow Evan wrote:If we don't get an eye soon, I'm starting to question whether we are getting a Cat 5 or even a Cat 4.


I'd go the other way. Some of these really strong and rapidly intensifying storms are chaotic until the intensification phase abates and then the eye clears quickly. :)
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Re: EPAC: MARIE - Hurricane

#262 Postby Ptarmigan » Sat Aug 23, 2014 10:10 am

euro6208 wrote:Yup as always with every EPAC hurricane, peak intensity will be short lived...

Cold waters, shear, or dry air is always the culprit...

Relatively small basin that's why...


Despite its size, it is one of the most active basins in the world.
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Re: EPAC: MARIE - Hurricane

#263 Postby euro6208 » Sat Aug 23, 2014 10:14 am

Looking at AVN loops, dark grey tops have significantly weakened. A sign of stalled or weakening?
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Re: EPAC: MARIE - Hurricane

#264 Postby Yellow Evan » Sat Aug 23, 2014 10:15 am

euro6208 wrote:Looking at AVN loops, dark grey tops have significantly weakened. A sign of stalled or weakening?


End of D-MAX?
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Re: EPAC: MARIE - Hurricane

#265 Postby xtyphooncyclonex » Sat Aug 23, 2014 10:15 am

euro6208 wrote:Looking at AVN loops, dark grey tops have significantly weakened. A sign of stalled or weakening?

It may mean that an eye is developing.
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Re: EPAC: MARIE - Tropical Storm

#266 Postby Ptarmigan » Sat Aug 23, 2014 10:15 am

supercane4867 wrote:Linda was one of the only two hurricanes to reach T8.0 on objective Dvorak analysis which topped the scale, another one was Gilbert in the Atlantic side


If I recall, Wilma at its peak on Dvorak was equivalent to a Category 3 due to its pinhole eye. Dvorak does not do pinhole eyes well. It was the same issue with Hurricane Hugo and the Hurricane Hunters nearly got killed.
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Re: EPAC: MARIE - Hurricane

#267 Postby Yellow Evan » Sat Aug 23, 2014 10:16 am

euro6208 wrote:Yup as always with every EPAC hurricane, peak intensity will be short lived...

Cold waters, shear, or dry air is always the culprit...

Relatively small basin that's why...


Yea. Anything north of 18N or south of 11N tend to run into problems some way or another. However, the 11N-18N area is usually quite favorable.
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Re: EPAC: MARIE - Tropical Storm

#268 Postby Yellow Evan » Sat Aug 23, 2014 10:19 am

Ptarmigan wrote:
supercane4867 wrote:Linda was one of the only two hurricanes to reach T8.0 on objective Dvorak analysis which topped the scale, another one was Gilbert in the Atlantic side


If I recall, Wilma at its peak on Dvorak was equivalent to a Category 3 due to its pinhole eye. Dvorak does not do pinhole eyes well. It was the same issue with Hurricane Hugo and the Hurricane Hunters nearly got killed.


No, that's why Carlos 09 was never higher than 90 knts. It was so small and had a pinhole eye.
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Re: EPAC: MARIE - Hurricane

#269 Postby euro6208 » Sat Aug 23, 2014 10:27 am

Image
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#270 Postby Yellow Evan » Sat Aug 23, 2014 10:33 am

Still no major signs of an eye.
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#271 Postby Yellow Evan » Sat Aug 23, 2014 10:50 am

Image

Here's Rick 09 as a Cat 1/2 for comparisons sake.

Image

And here is Linda 97 at the same time.

Image

Here's Kiko 83 right before it developed an eye. Was probs a Cat 1, even though the EPHC had it as 45 knt TS.
Last edited by Yellow Evan on Sat Aug 23, 2014 10:54 am, edited 1 time in total.
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Re: EPAC: MARIE - Hurricane

#272 Postby supercane4867 » Sat Aug 23, 2014 10:51 am

Still waiting on a full microwave pass over the center to see what's really going on in the mid to low levels.....
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Re: EPAC: MARIE - Hurricane

#273 Postby Yellow Evan » Sat Aug 23, 2014 10:56 am

supercane4867 wrote:Still waiting on a full microwave pass over the center to see what's really going on in the mid to low levels.....


Agreed. There could be an eye about to appear or no eye at all.
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Re: EPAC: MARIE - Hurricane

#274 Postby euro6208 » Sat Aug 23, 2014 11:08 am

Latest GFS has this down to 943 mb followed by quick weakening...
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#275 Postby Yellow Evan » Sat Aug 23, 2014 11:27 am

Latest vis (for some reason when I upload, I get the 1530z one) not the 16z one which I think it's starting to show an eye.
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Re: EPAC: MARIE - Hurricane

#276 Postby euro6208 » Sat Aug 23, 2014 11:30 am

Not impressed with it at all...Convection has steadily decreased...and looks a bit ragged now...
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Re: EPAC: MARIE - Hurricane

#277 Postby Yellow Evan » Sat Aug 23, 2014 11:33 am

euro6208 wrote:Not impressed with it at all...Convection has steadily decreased...and looks a bit ragged now...


On IR, it's not looking great. Convection has diminished on the south side. But again, maybe it's trying to develop an eye.
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Re: EPAC: MARIE - Hurricane

#278 Postby euro6208 » Sat Aug 23, 2014 11:37 am

Image

Image

Latest in 2nd picture has a remarkable decrease in OHC...I'm thinking only a Major hurricane now Category 3... :double:



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#279 Postby Yellow Evan » Sat Aug 23, 2014 11:55 am

Cristina was smaller, but didn't have super high OHC. I always think OHC is overrated.

But anyhow, I have no idea how strong till will end up right now. I'm growing impatient.
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#280 Postby weathernerdguy » Sat Aug 23, 2014 12:02 pm

Is anyone noticeing a dent in the middle of the CDO?
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