NATL: MELISSA - Aftermath - Discussion: Josh Morgerman video of Melissa is up

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GCANE
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Re: NATL: MELISSA - Tropical Storm - Discussion

#401 Postby GCANE » Fri Oct 24, 2025 8:05 am

Looks like recon didn't want to get close to that hot tower.
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Re: NATL: MELISSA - Tropical Storm - Discussion

#402 Postby GCANE » Fri Oct 24, 2025 8:09 am

Holy crap, I just saw they measured near 80mm/hr rain rate near that tower.
About the strongest I have ever seen.
Rapid core heating is underway.
Shear reduction is having a big effect.


https://www.tropicaltidbits.com/recon/r ... series.png
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Re: NATL: MELISSA - Tropical Storm - Discussion

#403 Postby Hypercane_Kyle » Fri Oct 24, 2025 8:10 am

Rooting for a LLC re-location south personally. The more this thing gets away from Jamacia the better.
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Re: NATL: MELISSA - Tropical Storm - Discussion

#404 Postby GCANE » Fri Oct 24, 2025 8:16 am

14.95N 74.45W looking real good.
Top-end rain rate.
Persistent cirrus outflow with stacking and radial fingers.
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Re: NATL: MELISSA - Tropical Storm - Discussion

#405 Postby AutoPenalti » Fri Oct 24, 2025 8:18 am

GCANE wrote:14.95N 74.45W looking real good.
Top-end rain rate.
Persistent cirrus outflow with stacking and radial fingers.

Isn't this where they tagged the center?
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Re: NATL: MELISSA - Tropical Storm - Discussion

#406 Postby Teban54 » Fri Oct 24, 2025 8:19 am

Has anyone been keeping track of how many reformations Melissa had?

Image
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Re: NATL: MELISSA - Tropical Storm - Discussion

#407 Postby GCANE » Fri Oct 24, 2025 8:23 am

Feeder band forming from just north of Panama into the system.
Getting a lot of juice from the EPAC.
Can see more of that moist air being blocked by the Costa Rica mountains and moving south towards Panama.
Will likely move across Panama late today or tomorrow and then into Melissa late this weekend.
Highly likely Melissa will RI after that.

https://www.tropicaltidbits.com/sat/sat ... uct=wv_mid
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Re: NATL: MELISSA - Tropical Storm - Discussion

#408 Postby GCANE » Fri Oct 24, 2025 8:26 am

AutoPenalti wrote:
GCANE wrote:14.95N 74.45W looking real good.
Top-end rain rate.
Persistent cirrus outflow with stacking and radial fingers.

Isn't this where they tagged the center?


They tagged it very close to 16N 75W.
But it looks like it is walking its way down to the hot tower.
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Re: NATL: MELISSA - Tropical Storm - Discussion

#409 Postby aspen » Fri Oct 24, 2025 8:27 am

Hypercane_Kyle wrote:Rooting for a LLC re-location south personally. The more this thing gets away from Jamacia the better.

That jog to the east on recon might unfortunately raise the odds of a Jamaica landfall.
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Re: NATL: MELISSA - Tropical Storm - Discussion

#410 Postby GCANE » Fri Oct 24, 2025 9:09 am

Starting to see a warm-core signature on IR at 14.95N 74.45W

https://www.tropicaltidbits.com/sat/sat ... product=ir
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Re: NATL: MELISSA - Tropical Storm - Discussion

#411 Postby ScottNAtlanta » Fri Oct 24, 2025 9:16 am

It's getting hard to see what is movement and what is caused by shear
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Re: NATL: MELISSA - Tropical Storm - Discussion

#412 Postby GCANE » Fri Oct 24, 2025 9:25 am

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Re: NATL: MELISSA - Tropical Storm - Discussion

#413 Postby WeatherBoy2000 » Fri Oct 24, 2025 9:26 am

ScottNAtlanta wrote:It's getting hard to see what is movement and what is caused by shear


I think the NHC summed up Melissa's movement pretty well in the latest advisory:

For all intents and purposes, Melissa is nearly stationary over the
north-central Caribbean Sea.
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Re: NATL: MELISSA - Tropical Storm - Discussion

#414 Postby cheezyWXguy » Fri Oct 24, 2025 9:35 am

Clearly a lot of reorganization going on this morning. Center relocations are making things confusing, but overall the system looks much healthier than yesterday and the whole envelope is rotating pretty aggressively on satellite. Convection starting to appear on the western side of the envelope too. Conditions are becoming more favorable, everything still seems to be on track for this to become a major.
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Re: NATL: MELISSA - Tropical Storm - Discussion

#415 Postby GCANE » Fri Oct 24, 2025 9:41 am

Visible Satellite showing rapid convergence at the mid-levels.
This will work down to the surface before sunset.

https://www.tropicaltidbits.com/sat/sat ... roduct=vis
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Re: NATL: MELISSA - Tropical Storm - Discussion

#416 Postby GCANE » Fri Oct 24, 2025 9:56 am

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Re: NATL: MELISSA - Tropical Storm - Discussion

#417 Postby GCANE » Fri Oct 24, 2025 10:04 am

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Re: NATL: MELISSA - Tropical Storm - Discussion

#418 Postby sasha_B » Fri Oct 24, 2025 10:15 am

Melissa's raw T# on the UW-CIMSS page jumped from 2.2 to 3.6 with the identification of the new center, as it's now back under the CDO. Let's see if it can stay there this time.
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Re: NATL: MELISSA - Tropical Storm - Discussion

#419 Postby cheezyWXguy » Fri Oct 24, 2025 10:16 am

GCANE wrote:Visible Satellite showing rapid convergence at the mid-levels.
This will work down to the surface before sunset.

https://www.tropicaltidbits.com/sat/sat ... roduct=vis

I wouldn’t be surprised if this drill down process were attempting to take place right now, that mlc looks vigorous, especially with upper level outflow beginning to increase radially from the center of that main burst. The current llc centered on the nw side of this burst seems to be losing influence. I wonder how long it will be before recon starts seeing evidence of this process.
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Re: NATL: MELISSA - Tropical Storm - Discussion

#420 Postby aspen » Fri Oct 24, 2025 10:30 am

11am cone now shows a 130 kt landfall in Jamaica.
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