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re: Category 5 Hurricane Melissa - 185 mph, 892mb, Top 3 in Recorded History

Posted on 10/22/25 at 8:49 pm to
Posted by rds dc
Member since Jun 2008
21059 posts
Posted on 10/22/25 at 8:49 pm to
quote:

what is causing the various models to be so inconsistent from model to model?


How fast they organize the storm. The GFS has been too fast since the get go. That resulted in a deeper system that could more easily feel the weaknesses from the passing trough. A couple of days ago the GFS already had this heading NE into the trough. On the flip side, the UK Met keeps this weak long enough for the low-level flow to push it into Central America. That's how you end up with this:

Posted by LegendInMyMind
Member since Apr 2019
72009 posts
Posted on 10/22/25 at 9:13 pm to
I wonder how good/accurate rainfall records are in Jamaica? This has a chance to shatter whatever records are there if it stalls to its south. It has pegged out the scale of every model for accum. precip.
Posted by Duke
Dillon, CO
Member since Jan 2008
36439 posts
Posted on 10/22/25 at 9:51 pm to
quote:

it could make a run at Wilma and Gilbert


Aint lost on me itll be in the same general area both went bananas in too.

quote:

It will come down to inner core dynamics and how long it can hold on before an ERC


Im about as curious to its max rate of pressure drop as the final numbers.
Posted by gaetti15
AK
Member since Apr 2013
14819 posts
Posted on 10/22/25 at 10:13 pm to
quote:

I wonder how good/accurate rainfall records are in Jamaica?


i always find them a bit high
This post was edited on 10/22/25 at 10:14 pm
Posted by Mr Roboto
Member since Jan 2023
7322 posts
Posted on 10/23/25 at 4:02 pm to
The cone from the NHC looks catastrophic for Jamaica. Major hurricane sitting just offshore for over 3 days
Posted by tide06
Member since Oct 2011
20726 posts
Posted on 10/23/25 at 4:18 pm to
quote:

Major hurricane sitting just offshore for over 3 days

You'd be talking unfathomable erosion, flooding and landslides in the mountainous areas not even factoring in wind and storm surge when it finally comes ashore.

And if a storm pushes surge into an area already devastated by flooding from rain bands it would greatly reduce the rate at which the waters would recede to allow people to perform rescues, etc.

On the upside can you imagine the surfing?
Posted by TigerBait1971
PTC GA
Member since Oct 2014
16129 posts
Posted on 10/23/25 at 4:29 pm to
quote:

always find them a bit high


Yah we got some rain, mon. Covered up me flip flops.
Posted by Tarps99
Lafourche Parish
Member since Apr 2017
11667 posts
Posted on 10/23/25 at 4:55 pm to
quote:

You'd be talking unfathomable erosion, flooding and landslides in the mountainous areas not even factoring in wind and storm surge when it finally comes ashore. And if a storm pushes surge into an area already devastated by flooding from rain bands it would greatly reduce the rate at which the waters would recede to allow people to perform rescues, etc.



Reminds me of Hurricane Mitch that sat over Honduras for a few days.
Posted by FrontlineTiger
Member since Aug 2024
666 posts
Posted on 10/23/25 at 5:14 pm to
LINK

It's past time to defund this non sense. They will predict a catastrophic hurricane season and lower their projections as the weeks roll on
Posted by LegendInMyMind
Member since Apr 2019
72009 posts
Posted on 10/23/25 at 5:21 pm to
quote:

FrontlineTiger

Stop.
Posted by rds dc
Member since Jun 2008
21059 posts
Posted on 10/23/25 at 5:57 pm to
quote:

It's past time to defund this non sense.


Don't send your kids to CSU

Also, their 1st forecast was issued on April 3 and called for 17 named storms, with 4 majors. We are currently at 13 & 3 with Melissa forecast to become the 4th major. It's likely there will be another named storm or two. So, we could see final numbers of 15/4 vs. their 17/4 forecast.
Posted by Swazla
Member since Jul 2016
1802 posts
Posted on 10/23/25 at 6:14 pm to
They only use one model. Just multiple runs of the same model with bright colors for those not god at reading.
Posted by LegendInMyMind
Member since Apr 2019
72009 posts
Posted on 10/23/25 at 10:11 pm to
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A three day total of foot or more forecast for eastern Jamaica with possibly two more days of rain after that. NHC is now forecasting a Major hurricane that will move less than 150 miles in ~36 hours time.
Posted by Drank
Member since Jun 1864
Member since Dec 2012
12181 posts
Posted on 10/23/25 at 11:03 pm to
quote:

Also, their 1st forecast was issued on April 3 and called for 17 named storms, with 4 majors. We are currently at 13 & 3 with Melissa forecast to become the 4th major. It's likely there will be another named storm or two. So, we could see final numbers of 15/4 vs. their 17/4 forecast.


Posted by Cosmo
glassman's guest house
Member since Oct 2003
129645 posts
Posted on 10/23/25 at 11:09 pm to
Current ACE is 20% below average

If Melissa can hang as a major for a couple days it becomes an essentially average season

Certainly not above average as they will pick every year
This post was edited on 10/23/25 at 11:11 pm
Posted by LegendInMyMind
Member since Apr 2019
72009 posts
Posted on 10/23/25 at 11:59 pm to
quote:

Certainly not above average as they will pick every year

Sigh......
Posted by BregmansWheelbarrow
Member since Mar 2020
3124 posts
Posted on 10/24/25 at 12:10 am to
I don’t have family in Jamaica but if I did, I’d tell them they need to get off that island and be prepared to never go back.
Posted by LegendInMyMind
Member since Apr 2019
72009 posts
Posted on 10/24/25 at 7:16 pm to
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Jamaica is now forecast to have a direct landfall from a possible Cat. 5. That final approach to landfall looks to take almost a full day as Melissa creeps towards land. Rainfall forecast for more than half the island is now 20-30" over four days.
Posted by BritLSUfan
Member since Jan 2012
691 posts
Posted on 10/24/25 at 11:16 pm to
If it's decent enough for tropical tidbits to include it in analysis it's good enough for me as one source of info.

Meantime... prayers for residents of Jamaica.. looks like its going to be rough.

I can't imagine.
Posted by tide06
Member since Oct 2011
20726 posts
Posted on 10/25/25 at 7:00 am to
Not only that if you look at where it’s supposed to go the capital is what would take the worst of the storm surge and flooding.

Given my one trip there (never again) those houses aren’t exactly built to modern storm codes although there is a good bit of cinderblock that they’ll just have to attach new roofs to after the storm moves through.
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