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re: Tropical Storm Isaias - O Canada!

Posted on 7/31/20 at 7:56 am to
Posted by fishfighter
RIP
Member since Apr 2008
40026 posts
Posted on 7/31/20 at 7:56 am to
Da Fuk?
Posted by rmnldr
Member since Oct 2013
38249 posts
Posted on 7/31/20 at 8:00 am to
That’s the westerly track I was expecting. Didn’t think it’d happen
Posted by PorkSammich
North FL
Member since Sep 2013
14281 posts
Posted on 7/31/20 at 8:00 am to
Posted by fishfighter
RIP
Member since Apr 2008
40026 posts
Posted on 7/31/20 at 8:13 am to
So, is this thing going more west or what?
Posted by Dlab2013
Pineville, Luzianna
Member since Jun 2013
9219 posts
Posted on 7/31/20 at 8:36 am to


Not really, gonna follow the coast by most models. Some show it briefly entering Fla.
Posted by LaBR4
Baton Rouge
Member since Sep 2005
51046 posts
Posted on 7/31/20 at 8:37 am to
2016 Matthew track
Looks like a hanger off the coast
Posted by Duke
Twin Lakes, CO
Member since Jan 2008
35649 posts
Posted on 7/31/20 at 8:48 am to
Shear is doing work on it this morning. Center is exposed to the west of the deeper convection. Probably back down to a TS at this point.
Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
42952 posts
Posted on 7/31/20 at 9:08 am to
Yeah looks like the center is coming out from underneath the convection.

This post was edited on 7/31/20 at 9:09 am
Posted by Cosmo
glassman's guest house
Member since Oct 2003
120424 posts
Posted on 7/31/20 at 9:11 am to
Not looking like a hurricane on IR
Posted by CitizenK
BR
Member since Aug 2019
9639 posts
Posted on 7/31/20 at 9:27 am to
One would think that 29 MPH on Mayaguana Bahamas would be higher if a hurricane
Posted by CitizenK
BR
Member since Aug 2019
9639 posts
Posted on 7/31/20 at 9:30 am to
And Matthewtown higher than 45 mph
Posted by doubleb
Baton Rouge
Member since Aug 2006
36211 posts
Posted on 7/31/20 at 9:48 am to
quote:

by Duke
Shear is doing work on it this morning. Center is exposed to the west of the deeper convection. Probably back down to a TS at this point.


Yes, it looks like it found a sweet spot last night and now the upper level trough is doing its job. It shouldn’t be able to strengthen again until it starts more N, or NNE and misses Florida to the East.
Posted by rds dc
Member since Jun 2008
19821 posts
Posted on 7/31/20 at 10:00 am to
quote:

Shear is doing work on it this morning. Center is exposed to the west of the deeper convection. Probably back down to a TS at this point.


There is a PVS across Florida and out into the Atlantic. The models have been thinning and lifting this just fast enough to allow for the system to stay organized and at times to strengthen. However, it looks to be holding on more than expected. This is a bit of a feedback mechanism with the outflow from a stronger storm increasing the PVS thinning but a weaker storm gets sheared by the PVS. It might be hard for this system to recover from the dry air intrusion given how small the circulation ended up being.

Also, as others have noted there was a big westward shift on the 06z ensembles as more members are now showing a weaker system.
Posted by Duke
Twin Lakes, CO
Member since Jan 2008
35649 posts
Posted on 7/31/20 at 10:12 am to
quote:

The models have been thinning and lifting this just fast enough to allow for the system to stay organized and at times to strengthen. However, it looks to be holding on more than expected. This is a bit of a feedback mechanism with the outflow from a stronger storm increasing the PVS thinning but a weaker storm gets sheared by the PVS. It might be hard for this system to recover from the dry air intrusion given how small the circulation ended up being.



Yep. I think the game today is going to be how much convection it can fire upshear. Doubt it'll strengthen any but some good bursts SW of the center would at least maintain enough organization to be able to take advantage of better conditions in a couple of days.

Though I'd prefer it stay weak enough to run into Florida as a weaker TS vs making a run up the east coast where it could have a window to be something of significance for OBX and even farther up I95.
Posted by fishfighter
RIP
Member since Apr 2008
40026 posts
Posted on 7/31/20 at 10:13 am to
quote:

Also, as others have noted there was a big westward shift on the 06z ensembles as more members are now showing a weaker system.


So what that means as far as weather along the gulf coast, OB area? Been waiting on you to post.
Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
42952 posts
Posted on 7/31/20 at 10:19 am to
quote:

So what that means as far as weather along the gulf coast, OB area?

Orange Beach or Outer Banks?

It would take a massive change in the entire weather setup for this to be a threat to the Orange Beach area of the Gulf Coast.
This post was edited on 7/31/20 at 10:22 am
Posted by Cosmo
glassman's guest house
Member since Oct 2003
120424 posts
Posted on 7/31/20 at 10:36 am to
Pogues in OBX better start battening down the hatches
Posted by CitizenK
BR
Member since Aug 2019
9639 posts
Posted on 7/31/20 at 10:57 am to
Note that the 11AM EDT discussion shows that actual intensity at surface is 25kts per drop sonde. Yet the forecast is calling it 75MPH sustained winds.

The 25kts falling right in line with local airport weather stations. Matthewtown was at 28MPH and not forecast to be above 30
Posted by TigerstuckinMS
Member since Nov 2005
33687 posts
Posted on 7/31/20 at 11:02 am to
quote:

2016 Matthew track
Looks like a hanger off the coast

Has Florida canceled the LSU game and figured out how it's all our fault yet?
Posted by Cosmo
glassman's guest house
Member since Oct 2003
120424 posts
Posted on 7/31/20 at 11:09 am to
quote:

Has Florida canceled the LSU game and figured out how it's all our fault yet?


Florida really raped Alleva on PR spin on that deal. They had a whole week to decide and drug their feet while several neutral sites offered to host game
This post was edited on 7/31/20 at 11:10 am
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