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re: Hurricane Irma - Spinning Down

Posted on 9/4/17 at 12:15 pm to
Posted by tankyank13
NOLA
Member since Nov 2012
8289 posts
Posted on 9/4/17 at 12:15 pm to
quote:

Question for the experts. How tall are the cloud tops on a cat 5 hurricane? Just curious
Posted by cajunangelle
Member since Oct 2012
166643 posts
Posted on 9/4/17 at 12:16 pm to
quote:

I bet Jeff and crew are eastbound and down. This is going to be an intense periscope broadcast whenever and wherever this thing makes landfall.
It will be interesting to see if any of them book reservations in the 'Hurricane Resistant Hurricane Safe and SoundProof' Hotel in Miami.

Miami FL Hotel: Hurricane Safe and SoundProof
LINK
Posted by Rakim
Member since Nov 2015
9954 posts
Posted on 9/4/17 at 12:16 pm to
quote:

Man every store in palm beach county sold out of water and plywood already lol. Wonder if Ill get the house I'm supposed to close on next month for cheaper if it doesn't have a roof.


Rent in meantime, it's going to be a buyers market. Take advantage of it.
Posted by HubbaBubba
North of DFW, TX
Member since Oct 2010
51650 posts
Posted on 9/4/17 at 12:17 pm to
quote:


Man every store in palm beach county sold out of water and plywood already lol. Wonder if Ill get the house I'm supposed to close on next month for cheaper if it doesn't have a roof.
I had a house on the east side of A1A in Ocean Ridge, 1 block off the ocean. If it grinds up the east coast of Florida like that, I don't expect that house will survive. Miss the area, but don't miss these storms.
Posted by St Augustine
The Pauper of the Surf
Member since Mar 2006
72064 posts
Posted on 9/4/17 at 12:17 pm to
Already own here but cheap. Was looking forward to selling mine high
Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
51680 posts
Posted on 9/4/17 at 12:19 pm to
If Irma were to take the GFS path, the number of people who will have to evacuate will be historic. With the way it just goes over much of the peninsula of FL the devastation would be widespread.

Again, that's all if things panned out like the GFS shows.
This post was edited on 9/4/17 at 12:19 pm
Posted by slackster
Houston
Member since Mar 2009
91836 posts
Posted on 9/4/17 at 12:20 pm to
quote:

Question for the experts. How tall are the cloud tops on a cat 5 hurricane? Just curious



Isabel near peak intensity:

Posted by RollTide1987
Baltimore, MD
Member since Nov 2009
70990 posts
Posted on 9/4/17 at 12:21 pm to
quote:

Doubtful it's that high, but certainly gusts of 165 -175 wouldn't be a surprise.



I may be exaggerating but with a central pressure that low there is no way it doesn't reach Category 5 strength before landfall. If those predictions hold I'm sticking with my gut and saying this thing becomes the first Atlantic hurricane to make landfall as a five since Andrew in '92.
Posted by NorthEndZone
Member since Dec 2008
14258 posts
Posted on 9/4/17 at 12:22 pm to
Subject: E14)What have been the most intense hurricanes to strike the United States?
Contributed by Chris Landsea (NHC)

The most intense mainland United States hurricanes by central pressure 1851-2015

RANK HURRICANE YEAR CATEGORY(at landfall) MINIMUM PRESSURE Millibars Inches

1 FL (Keys) 1935 5 892 26.35
2 CAMILLE (MS/SE LA/VA) 1969 5 900 26.58
3 KATRINA (LA) 2005 3 920 27.17
4 ANDREW (SE FL/SE LA) 1992 5 922 27.23

5 TX (Indianola) 1886 4 925 27.31
6 FL (Keys)/S TX 1919 4 927 27.37
7 FL (Lake Okeechobee) 1928 4 929 27.43
8 DONNA (FL/Eastern U.S.) 1960 4 930 27.46
9 LA (New Orleans) 1915 4 931 27.49
9 CARLA (N & Central TX) 1961 4 931 27.49
11 LA (Last Island) 1856 4 934 27.58
12 HUGO (SC) 1989 4 934 27.58
13 FL (Miami)/MS/AL/Pensacola 1926 4 935 27.61
14 TX (Galveston) 1900 4 936 27.64

15 RITA (NE TX,W LA) 2005 3 937 27.67

ETA HARVEY (TX) 2017 4 938 27.70

16 GA/FL (Brunswick) 1898 4 938 27.70
17 HAZEL (SC/NC) 1954 4 938 27.70
18 SE FL/SE LA/MS 1947 4 940 27.76
19 N TX 1932 4 941 27.79
19 CHARLEY (SW FL) 2004 4 941 27.79
21 GLORIA (Eastern U.S.) 1985 3& 942 27.82
21 OPAL (NW FL/AL) 1995 3& 942 27.82
-- SANDY (NJ/NY/CN) 2012 1% 942 27.82
23 FL (Central) 1888 3 945 27.91
23 E NC 1899 3 945 27.91
23 AUDREY (SW LA/N TX) 1957 4# 945 27.91
23 TX (Galveston) 1915 4# 945 27.91
23 CELIA (S TX) 1970 3 945 27.91
23 ALLEN (S TX) 1980 3 945 27.91
29 New England 1938 3 946 27.94
29 FREDERIC (AL/MS) 1979 3 946 27.94
29 IVAN (AL, NW FL) 2004 3 946 27.94
29 DENNIS (NW FL) 2005 3 946 27.94

33 NE U.S. 1944 3 947 27.97
33 SC/NC 1906 3 947 27.97
35 LA (Chenier Caminanda) 1893 3 948 27.99
35 BETSY (SE FL/SE LA) 1965 3 948 27.99
35 SE FL/NW FL 1929 3 948 27.99
35 SE FL 1933 3 948 27.99
35 S TX 1916 3 948 27.99
35 MS/AL 1916 3 948 27.99
41 NW FL 1882 3 949 28.02
41 DIANA (NC) 1984 3+ 949 28.02
41 S TX 1933 3 949 28.02
44 WILMA (SW FL) 2005 3 950 28.05
44 GA/SC 1854 3 950 28.05
44 LA/MS 1855 3 950 28.05
44 LA/MS/AL 1860 3 950 28.05
44 LA 1879 3 950 28.05
44 BEULAH (S TX) 1967 3 950 28.05
44 HILDA (Central LA) 1964 3 950 28.05
44 GRACIE (SC) 1959 3 950 28.05
44 TX (Central) 1942 3 950 28.05
44 JEANNE (FL) 2004 3 950 28.05
44 IKE (TX/LA) 2008 2 950 28.05
This post was edited on 9/4/17 at 12:34 pm
Posted by HubbaBubba
North of DFW, TX
Member since Oct 2010
51650 posts
Posted on 9/4/17 at 12:24 pm to
quote:

Andrew in '92
I drove through there in '94. Was surreal. Everything just completely flattened.
Posted by HubbaBubba
North of DFW, TX
Member since Oct 2010
51650 posts
Posted on 9/4/17 at 12:26 pm to
Sandy shouldn't be on this list and certainly not that high, anyway.
Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
51680 posts
Posted on 9/4/17 at 12:27 pm to
If Irma does impact the US, the resources of the Federal government and all of the humanitarian organizations are going to be spread incredibly thin. Texas Governor Greg Abbot said that he thought Texas would need an additional $125 billion for Harvey relief, if Irma is another extremely destructive hurricane, it is going to be a huge strain.
This post was edited on 9/4/17 at 12:28 pm
Posted by cajunangelle
Member since Oct 2012
166643 posts
Posted on 9/4/17 at 12:27 pm to
quote:

If Irma were to take the GFS path, the number of people who will have to evacuate will be historic. With the way it just goes over much of the peninsula of FL the devastation would be widespread.

Again, that's all if things panned out like the GFS shows.
From the Keys up. They would have to turn 95 north both ways (if this is possible I forget) for all to GTFO; like the NC coast has set up for I-40 to go west to GTFO.
Posted by eitek1
Member since Jun 2011
2828 posts
Posted on 9/4/17 at 12:27 pm to

Odds this makes it into the eastern Gulf are 20-30%.
Posted by cajunangelle
Member since Oct 2012
166643 posts
Posted on 9/4/17 at 12:32 pm to
when does the ECMWF update next?
Posted by lsuman25
Erwinville
Member since Aug 2013
43290 posts
Posted on 9/4/17 at 12:34 pm to
will start running in about 15 minutes
Posted by GEAUXmedic
Premium Member
Member since Nov 2011
42053 posts
Posted on 9/4/17 at 12:34 pm to
12:45 CT

This post was edited on 9/4/17 at 12:39 pm
Posted by rds dc
Member since Jun 2008
21447 posts
Posted on 9/4/17 at 12:36 pm to
GEFS mean is basically the same as 06z, into S. Florida, but the spread is greater.

Posted by Jake88
Member since Apr 2005
79805 posts
Posted on 9/4/17 at 12:39 pm to
So Katrina's pressure was lower than Andrew but it was a cat3 at landfall whereas Andrew was a 5. Are those pressures at landfall as well? Why the decoupling of pressure and windspeed?

Posted by CptBengal
BR Baby
Member since Dec 2007
71661 posts
Posted on 9/4/17 at 12:41 pm to
Wow.

I've been out of the loop for a couple days...this thing has really shifted south and west.

Are we looking at a potential gulf threat?
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