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re: Storm Watch- Gulf- Tropical Depression- Northward Miss. Valley

Posted on 5/31/20 at 4:17 pm to
Posted by OleWarSkuleAlum
Huntsville, AL
Member since Dec 2013
10293 posts
Posted on 5/31/20 at 4:17 pm to


TDsngumbo

Posted by Klingler7
Houston
Member since Nov 2009
12074 posts
Posted on 5/31/20 at 4:25 pm to
Quite a difference in forecasted pressure centers. 974-1000mb.

Stronger low if potential track goes northwest and weaker low center if it goes more northerly.

Would that be a by product of less shear ? Not understanding why the ensemble difference ?
Posted by lsuman25
Erwinville
Member since Aug 2013
41572 posts
Posted on 5/31/20 at 4:27 pm to
Steve Caprotta explained it great the weaker solutions are the one's that bury it in Mexico and the stronger ones develop it quicker and move northwest.
Posted by t00f
Not where you think I am
Member since Jul 2016
91412 posts
Posted on 5/31/20 at 4:29 pm to
Yeah.. we don’t want a storm in la and lose power in 90 degree weather


No

Posted by Jim Rockford
Member since May 2011
98649 posts
Posted on 5/31/20 at 4:32 pm to
Posted by Klingler7
Houston
Member since Nov 2009
12074 posts
Posted on 5/31/20 at 6:02 pm to
Ok. I did not look at the forecasted hours over the Gulf. A 998-1000mb TC would historically equate to about a 50 knot (58 mph) sustained wind storm. My concern would be not the wind but rainfall as WPC has 4-8 inches of QPF along and East of 90 Degree West longitude in GOM thru 168 hours. If that path continued northward over land areas then Morgan city to Pensacola could see heavy rain potentially next weekend .
This post was edited on 5/31/20 at 6:03 pm
Posted by rds dc
Member since Jun 2008
19844 posts
Posted on 5/31/20 at 11:43 pm to
This is now 93L but the models are in pretty good agreement that not much will happen over the next few days as the remnants of Amanda rotate around the larger circulation.

Notice the vort max associated with Amanda just south of Guatemala on the 00z GFS (the first image is rolled back 18 hrs) as it rotates around into the BOC and then eventually back into Mexico. This is pretty much inline with the last couple of Euro runs.



One thing to note, the Euro EPS over the next few days has many members with pressures that appear too low when comparing them against what the operational models are showing. The 12z EURO EPS at 96hrs is below and neither the 12z, 18z Euro or 12z, 18z, 00z GFS support the stronger ensemble members. This would be significant since a more organized system would have a better chance of strengthening once starting the trek north.



Posted by paperwasp
11x HRV tRant Poster of the Week
Member since Sep 2014
23448 posts
Posted on 6/1/20 at 7:59 am to
Posted by Mudminnow
Houston, TX
Member since Aug 2004
34150 posts
Posted on 6/1/20 at 8:38 am to
thanks for the update, looks like chance of formation has been bumped up to 80% now
Posted by Riolobo
On the lake
Member since Mar 2017
4331 posts
Posted on 6/1/20 at 8:56 am to
So now the big question is where is it headed
Posted by Nado Jenkins83
Land of the Free
Member since Nov 2012
59907 posts
Posted on 6/1/20 at 8:58 am to
Baytown to beaumont
Posted by Lord_Ford
Louisiana
Member since Jun 2016
4031 posts
Posted on 6/1/20 at 10:21 am to
Happy Hurricane Season!
Posted by rds dc
Member since Jun 2008
19844 posts
Posted on 6/1/20 at 10:24 am to
93L (remnants of Amanda) look pretty healthy this morning after crossing over the mountains of CA. The BOC is known for quick spin ups and conditions are somewhat favorable in the far southern portion of the BOC. The models are bringing the storm back SW into Mexico over the next few days and that area can quickly disrupt systems. However, if the storm stays out over the BOC before making the turn north than things could really change - see the 12z ICON. It gets really tricky as the outflow from a stronger system might be able to disrupt the upper level trough but a weaker system probably gets sheared by the upper levels as it moves north.



Posted by The Boat
Member since Oct 2008
164612 posts
Posted on 6/1/20 at 10:27 am to
It is time.
Posted by Riolobo
On the lake
Member since Mar 2017
4331 posts
Posted on 6/1/20 at 10:29 am to
In your opinion, how much time do we have until we get a more clear projection of where this thing could end up? Few days?
Posted by tgrbaitn08
Member since Dec 2007
146214 posts
Posted on 6/1/20 at 10:33 am to
I'll wait till to see what PeeJ says before I go get gas for the generator.
Posted by tiger91
In my own little world
Member since Nov 2005
36810 posts
Posted on 6/1/20 at 10:37 am to
quote:

GFS has it arse-punching New Orleans.


How will Latoya handle this???
Posted by paperwasp
11x HRV tRant Poster of the Week
Member since Sep 2014
23448 posts
Posted on 6/1/20 at 11:02 am to
quote:

see the 12z ICON


Posted by Mudminnow
Houston, TX
Member since Aug 2004
34150 posts
Posted on 6/1/20 at 11:03 am to
I'm waiting on PJ as well. My go to authority on Tropical Storm landfalls.
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41896 posts
Posted on 6/1/20 at 11:12 am to


I've been very unbiased since the start of this thread. Do I enjoy the excitement that comes with the runup to a hurricane? Of course I do, what red-blooded south Louisianan man doesn't? But even though those ensembles show that, I still expect it to change a lot between now and landfall. In fact, as of this morning, everything is pointing toward a central/northeast Texas coast landfall more than a Louisiana landfall. The storm isn't even formed yet so there's plenty time for us to throw jabs at each other in this thread while we watch the models make asses of ourselves each time they update.

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