Tropical Wave in the Eastern Caribbean (Is Invest 98L)

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aspen
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Re: Tropical Wave in the Eastern Caribbean

#41 Postby aspen » Mon Nov 09, 2020 11:47 am

GFS has this really complex, broad entanglement between this wave and multiple other lows.

CMC and ICON are very straightforward: AEW develops in Caribbean, goes straight into Central America as a hurricane.
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Re: Tropical Wave in the Eastern Caribbean

#42 Postby TallyTracker » Mon Nov 09, 2020 12:41 pm

If this and the non-tropical low in the NE Atlantic develop within 5 days, we could have three active cyclones in the Atlantic basin at the same time in November...has that ever happened?!?
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Re: Tropical Wave in the Eastern Caribbean

#43 Postby cycloneye » Mon Nov 09, 2020 12:44 pm

A tropical wave is forecast to move over the central Caribbean Sea,
where an area of low pressure could form in a couple of days.
Environmental conditions are forecast to be conducive for
development, and a tropical depression could form late this week
or over the weekend while the system moves slowly westward.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...medium...50 percent.
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Re: Tropical Wave in the Eastern Caribbean

#44 Postby underthwx » Mon Nov 09, 2020 12:45 pm

What are some of the other possible scenarios for this low, other than moving towards CA?...one thought I had, being we are in November, is the low, whatever form it takes, may get snared by a frontal system, and move NE out to the Atlantic, or possibly track up the Eastern seaboard?
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Re: Tropical Wave in Eastern Caribbean

#45 Postby kevin » Mon Nov 09, 2020 12:48 pm

underthwx wrote:What are some of the other possible scenarios for this low, other than moving towards CA?...one thought I had, being we are in November, is the low, whatever form it takes, may get snared by a frontal system, and move NE out to the Atlantic, or possibly track up the Eastern seaboard?


Not sure how realistic it is, but 00z GFS had a Florida landfall.

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Re: Tropical Wave in the Eastern Caribbean

#46 Postby kevin » Mon Nov 09, 2020 12:52 pm

TallyTracker wrote:If this and the non-tropical low in the NE Atlantic develop within 5 days, we could have three active cyclones in the Atlantic basin at the same time in November...has that ever happened?!?


Nope. 1931 and 2005 are the only 2 seasons with 3 storms in November and in neither of those seasons did all three of those storms exist at the same time.
Last edited by kevin on Mon Nov 09, 2020 1:14 pm, edited 1 time in total.
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Re: Tropical Wave in the Eastern Caribbean

#47 Postby underthwx » Mon Nov 09, 2020 12:56 pm

kevin wrote:
underthwx wrote:What are some of the other possible scenarios for this low, other than moving towards CA?...one thought I had, being we are in November, is the low, whatever form it takes, may get snared by a frontal system, and move NE out to the Atlantic, or possibly track up the Eastern seaboard?


Not sure how realistic it is, but 00z GFS had a Florida landfall.

https://imgur.com/sAehXKq

I didn't want to mention Florida in my thoughts on the low moving NE, because yall are still dealing with ETA, but it is one of the questions I am seeking answers to...realizing the low hasn't even formed... yet....I wonder will Florida be facing another system...thanks for your reply Kevin...
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Re: Tropical Wave in the Eastern Caribbean

#48 Postby Patrick99 » Mon Nov 09, 2020 2:08 pm

kevin wrote:
underthwx wrote:What are some of the other possible scenarios for this low, other than moving towards CA?...one thought I had, being we are in November, is the low, whatever form it takes, may get snared by a frontal system, and move NE out to the Atlantic, or possibly track up the Eastern seaboard?


Not sure how realistic it is, but 00z GFS had a Florida landfall.


That run actually looks like a pretty straightforward setup to me. Storm forms, rounds a high. At any rate, I'm not sure we're done yet. This year is going to be a reminder that hurricane season goes until Nov 30th.
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Re: Tropical Wave in the Eastern Caribbean

#49 Postby CrazyC83 » Mon Nov 09, 2020 4:08 pm

Combined with the weather in the east, it feels like September 9, not November 9. And another epic "I" storm to boot...
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Re: Tropical Wave in the Eastern Caribbean

#50 Postby CrazyC83 » Mon Nov 09, 2020 4:09 pm

TallyTracker wrote:If this and the non-tropical low in the NE Atlantic develop within 5 days, we could have three active cyclones in the Atlantic basin at the same time in November...has that ever happened?!?


Don't think so. I know the record for most storms to have formed in November is three (most recently 2005).
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Re: Tropical Wave in the Eastern Caribbean

#51 Postby chaser1 » Mon Nov 09, 2020 4:27 pm

CrazyC83 wrote:Combined with the weather in the east, it feels like September 9, not November 9. And another epic "I" storm to boot...


Alright, I'm gonna say it. I'm done with the 2020 Hurricane season - the season that keeps on giving LOL. I don't give one iota where Theta will soon form. Who jacked my November anyway? I want it back. Right now, I'd gladly trade off three more named storms for a couple mediocre cool fronts. No special demands like "squall lines" or hail producing pre-frontal discreet cells. Nope.... just a couple weeks of non-tropical cooler dew points is all I ask. And if everyone else really wants La Nina around, I'll agree to her visiting next Spring & Summer. :ggreen:
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Re: Tropical Wave in the Eastern Caribbean

#52 Postby SouthFLTropics » Mon Nov 09, 2020 4:29 pm

chaser1 wrote:
CrazyC83 wrote:Combined with the weather in the east, it feels like September 9, not November 9. And another epic "I" storm to boot...


Alright, I'm gonna say it. I'm done with the 2020 Hurricane season - the season that keeps on giving LOL. I don't give one iota where Theta will soon form. Who jacked my November anyway? I want it back. Right now, I'd gladly trade off three more named storms for a couple mediocre cool fronts. No special demands like "squall lines" or hail producing pre-frontal discreet cells. Nope.... just a couple weeks of non-tropical cooler dew points is all I ask. And if everyone else really wants La Nina around, I'll agree to her visiting next Spring & Summer. :ggreen:


Hear Hear... I second this motion and move for a vote!!!
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Re: Tropical Wave in the Eastern Caribbean

#53 Postby aspen » Mon Nov 09, 2020 4:39 pm

chaser1 wrote:
CrazyC83 wrote:Combined with the weather in the east, it feels like September 9, not November 9. And another epic "I" storm to boot...


Alright, I'm gonna say it. I'm done with the 2020 Hurricane season - the season that keeps on giving LOL. I don't give one iota where Theta will soon form.

You’re right, you won’t be giving an iota, because that’s what this wave is gonna do.

Bad pun I’m sorry.
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Re: Tropical Wave in the Eastern Caribbean

#54 Postby aspen » Mon Nov 09, 2020 5:20 pm

18z GFS still have entanglement and splits the energy across two waves, one in the Caribbean and another north of the GAs.
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Re: Tropical Wave in the Eastern Caribbean

#55 Postby kevin » Mon Nov 09, 2020 5:44 pm

Hmm, I'm not sure what to think atm regarding the GFS runs. On the one hand GFS also had the correct initial scenario for multiple previous storms this season and then it stopped showing genesis for a few runs only to revert back to genesis at the last minute. But on the other hand just because it happened before doesn't mean that it should happen again and GFS is quite persistent with this solution right now. Does anyone know how realistic the current entanglement & split is that GFS forecasts?
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Re: Tropical Wave in the Eastern Caribbean

#56 Postby SFLcane » Mon Nov 09, 2020 6:20 pm

Not really expecting much from this.
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Re: Tropical Wave in the Eastern Caribbean

#57 Postby cycloneye » Mon Nov 09, 2020 6:49 pm

Copy and paste.

A tropical wave is forecast to move over the central Caribbean Sea,
where an area of low pressure could form in a couple of days.
Environmental conditions are forecast to be conducive for
development, and a tropical depression could form late this week or
over the weekend while the system moves slowly westward.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...medium...50 percent.
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Re: Tropical Wave in the Eastern Caribbean

#58 Postby AJC3 » Mon Nov 09, 2020 11:24 pm

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
705 PM EST Mon Nov 9 2020

...TROPICAL WAVES...

A tropical wave is over central Caribbean along 66W, moving
W at 10 kt. Scattered moderate to isolated strong convection is
West of the wave axis from 10N-19N between 64W-70W. This
tropical wave is forecast to move westward, where an area of low
pressure could form by Thu. Environmental conditions are forecast
to be conducive for development, and a tropical depression could
form late this week or over the weekend while the system moves
slowly westward.
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Re: Tropical Wave in the Eastern Caribbean

#59 Postby SouthFLTropics » Tue Nov 10, 2020 12:12 am

COME ON GFS... COVID is already trying to ruin Turkey Day. You don't have to get in on the action!!! Cut this nonsense out!!! :mad: :Chit:

Image
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Re: Tropical Wave in the Eastern Caribbean

#60 Postby ElectricStorm » Tue Nov 10, 2020 12:26 am

A tropical wave located over the eastern Caribbean Sea is producing
disorganized showers and thunderstorms. This wave is expected to
move westward into more conducive environmental conditions, and a
tropical depression could form late this week or this weekend when
the wave reaches the central or western Caribbean Sea.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...medium...60 percent.
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