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re: Hurricane Irma - Spinning Down

Posted on 9/6/17 at 4:41 pm to
Posted by ByteMe
Member since Sep 2003
22360 posts
Posted on 9/6/17 at 4:41 pm to
quote:

12z HMON taking Irma down to 875mb before Miami landfall.



Is HMON the track that most people have been making fun of?
Posted by GEAUXT
Member since Nov 2007
30505 posts
Posted on 9/6/17 at 4:42 pm to
damn...
Posted by Duke
Dillon, CO
Member since Jan 2008
36494 posts
Posted on 9/6/17 at 4:43 pm to
There is something off with the HMON. The GFS might have actually nailed the sub 900mb pressures (time will tell) but the HMON has been ripping away at record smashing pressures for the Atlantic run after run.
Posted by slackster
Houston
Member since Mar 2009
91836 posts
Posted on 9/6/17 at 4:43 pm to
quote:

The shear from earlier has died off.


It's scary that the shear is dying off while Irma never wavered from 185mph winds.
Posted by slackster
Houston
Member since Mar 2009
91836 posts
Posted on 9/6/17 at 4:47 pm to
quote:


Is HMON the track that most people have been making fun of?


We've just been questioning the record breaking pressures it keeps spitting out.

Track from HMON has been decent.
Posted by GEAUXT
Member since Nov 2007
30505 posts
Posted on 9/6/17 at 4:50 pm to
It's like watching the election night exit polling. It'll be interesting to see who was right and wrong.

I have to imagine they learn a ton from each scenario like this.
Posted by RollTide1987
Baltimore, MD
Member since Nov 2009
70988 posts
Posted on 9/6/17 at 4:50 pm to
quote:

It's scary that the shear is dying off while Irma never wavered from 185mph winds.



That's the incredible thing. It maintained its intensity this entire time and has now intensified even further.

Posted by ihometiger
Member since Dec 2013
12475 posts
Posted on 9/6/17 at 4:54 pm to
Posted by LSU5508
New Orleans
Member since Nov 2007
3768 posts
Posted on 9/6/17 at 4:54 pm to
Looks like the new GFS have pressures at 898 southeast of Miami at 78 Hours
Posted by GeuaxTigers504
New Orleans
Member since Oct 2011
669 posts
Posted on 9/6/17 at 4:55 pm to
Does anyone know what exactly is going to keep Irma out of the gulf? I've just never seen a hurricane make pretty much a 90 degree turn like that before
Posted by Tigerbait357
Member since Jun 2011
71105 posts
Posted on 9/6/17 at 4:55 pm to
Posted by gaetti15
AK
Member since Apr 2013
15263 posts
Posted on 9/6/17 at 4:55 pm to
Father-in-law just checked in from St.Thomas in the virgin islands.

He survived. Waiting on status update about the house and the rest of the island.
Posted by LSU5508
New Orleans
Member since Nov 2007
3768 posts
Posted on 9/6/17 at 4:56 pm to
A Front coming from up North.It has been explained a few times.
Posted by LanierSpots
Sarasota, Florida
Member since Sep 2010
71006 posts
Posted on 9/6/17 at 4:56 pm to
quote:

12z HMON taking Irma down to 875mb before Miami landfall.


Could that be true? WTF would the wind speeds be?


Posted by RollTide1987
Baltimore, MD
Member since Nov 2009
70988 posts
Posted on 9/6/17 at 4:57 pm to
quote:

Looks like the new GFS have pressures at 898 southeast of Miami at 78 Hours



That's incredible.
Posted by Rakim
Member since Nov 2015
9954 posts
Posted on 9/6/17 at 4:57 pm to
GFS is sparing Miami it looks like...
Posted by Duke
Dillon, CO
Member since Jan 2008
36494 posts
Posted on 9/6/17 at 4:58 pm to
quote:


Does anyone know what exactly is going to keep Irma out of the gulf? I've just never seen a hurricane make pretty much a 90 degree turn like that before



A high over Texas/four corners to block, an upper low projected to swing down into SEC country and the Atlantic high pressure eroding a bit. Irma splits in between the upper low and Atlantic high. Basically.

All the models have some variation on the positioning and strength of those features, but all seem to have them in place in some form and they all have Irma cut hard north near Florida for that reason.
Posted by Rhino5
Atlanta
Member since Nov 2014
30955 posts
Posted on 9/6/17 at 4:58 pm to
quote:


Does anyone know what exactly is going to keep Irma out of the gulf? I've just never seen a hurricane make pretty much a 90 degree turn like that before


Pretty sure this high atmosphere cold front moving in. Someone correct me but I think essentially the dry air acts as a giant wall and pushes the low level hurricane away.
Posted by LSU5508
New Orleans
Member since Nov 2007
3768 posts
Posted on 9/6/17 at 4:59 pm to
Not sure about that definitely skirting the coast but appears to have the Western eyewall close to shore at 90 hours.
Posted by Rhino5
Atlanta
Member since Nov 2014
30955 posts
Posted on 9/6/17 at 4:59 pm to
quote:

875mb before Miami landfall.

Damn. This is a monster storm
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