ATL: IRMA - Post-Tropical - Discussion

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rolldamntoad
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Re: ATL: IRMA - Hurricane - Discussion

#4141 Postby rolldamntoad » Tue Sep 05, 2017 12:45 pm

jlauderdal wrote:
Michele B wrote:
jlauderdal wrote:for sofla and even people that care to watch online...fyi, max mayfield former nhc director is employed by channel 10 so after you catch general hospital tune into pics from gas stations, publix and home depot

Local 10 Special #HurricaneIrma coverage starts at 3pm today @WPLGLocal10, immediately following @GeneralHospital


Prolly catch online if you are not in east coast area.


btw, if you have roku there is an app called local news now, i was able to watch houston coverage with that app, you can watch numerous local news outlets through country


Long time lurker; first time poster.

DirecTV showed Houston, Corpus, and San Antonio news when Harvey made landfall (361-1 and 361-2, I think). Not sure if they have started coverage for Irma or not.
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Re: ATL: IRMA - Hurricane - Discussion

#4142 Postby Kazmit » Tue Sep 05, 2017 12:45 pm

160kts now per the 2pm update
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Re: ATL: IRMA - Hurricane - Discussion

#4143 Postby wxmann_91 » Tue Sep 05, 2017 12:46 pm

Falling Soil wrote:Here I am sitting in Miami.. praying to God for help.. with the latest vortex message that says 160 knots and 926 mb.. Question: When one of these is available, does the NHC only use this or do they still use satellite, etc. in addition to these?


They use recon data over satellite estimates every time, if that's what you were asking about.
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Re: ATL: IRMA - Hurricane - Discussion

#4144 Postby combellack » Tue Sep 05, 2017 12:46 pm

Alyono wrote:
ronyan wrote:The eye wall currently has winds similar to a moderate EF-4 tornado. 185 mph is ridiculous.


I believe tornadoes are rated based upon the gusts (please correct me if wrong). Thus, the winds are EF5 strength now


If i recall correctly the EF scale is purely based on damage and then an estimate of the wind speed needed to create that damage is given so it would be possible for a tornado in an open field to not get ranked as an EF5 even if there was evidence of 300 MPH winds near the surface from radar.
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Re: ATL: IRMA - Hurricane - Discussion

#4145 Postby Blown Away » Tue Sep 05, 2017 12:47 pm

Image
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Re: ATL: IRMA - Hurricane - Discussion

#4146 Postby plasticup » Tue Sep 05, 2017 12:48 pm

znel52 wrote:Irma is the strongest tropical cyclone on planet Earth so far this year is it not?

And tied for 5th strongest Atlantic storm ever.
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Re: ATL: IRMA - Hurricane - Discussion

#4147 Postby Cunxi Huang » Tue Sep 05, 2017 12:48 pm

GOES-R IRBD, 1645Z

Image
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Re: ATL: IRMA - Hurricane - Discussion

#4148 Postby jlauderdal » Tue Sep 05, 2017 12:50 pm

rolldamntoad wrote:
jlauderdal wrote:
Michele B wrote:
Prolly catch online if you are not in east coast area.


btw, if you have roku there is an app called local news now, i was able to watch houston coverage with that app, you can watch numerous local news outlets through country


Long time lurker; first time poster.

DirecTV showed Houston, Corpus, and San Antonio news when Harvey made landfall (361-1 and 361-2, I think). Not sure if they have started coverage for Irma or not.
the tv stations also show it on their websites too but the roku app makes it real easy as does directtv..south floridians are scampering around today looking for gas and water...its ugly out there as expected
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Re: ATL: IRMA - Hurricane - Discussion

#4149 Postby cjrciadt » Tue Sep 05, 2017 12:51 pm

Kazmit wrote:160kts now per the 2pm update

Insanity, even the super bullish models did not have it reaching 160 knots period! Muchless E of PR!!!
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Re: ATL: IRMA - Hurricane - Discussion

#4150 Postby Blizzard96x » Tue Sep 05, 2017 12:52 pm

plasticup wrote:
znel52 wrote:Irma is the strongest tropical cyclone on planet Earth so far this year is it not?

And tied for 5th strongest Atlantic storm ever.


Or in other words, tied for 2nd... 2-5th all 185. Allen 190
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Re: ATL: IRMA - Hurricane - Discussion

#4151 Postby Langinbang187 » Tue Sep 05, 2017 12:52 pm

plasticup wrote:
znel52 wrote:Irma is the strongest tropical cyclone on planet Earth so far this year is it not?

And tied for 5th strongest Atlantic storm ever.


Pressure wise? Seems too high. Wind wise it's tied for second. :eek:
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Re: ATL: IRMA - Hurricane - Discussion

#4152 Postby SFLcane » Tue Sep 05, 2017 12:53 pm

Thought the GFS was nuts with its sub-900mb pressures :roll:
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Re: ATL: IRMA - Hurricane - Discussion

#4153 Postby combellack » Tue Sep 05, 2017 12:56 pm

Langinbang187 wrote:
plasticup wrote:
znel52 wrote:Irma is the strongest tropical cyclone on planet Earth so far this year is it not?

And tied for 5th strongest Atlantic storm ever.


Pressure wise? Seems too high. Wind wise it's tied for second. :eek:


It's no where near tied for 5th pressure wise Ivan was 910 and i think he was tied for 10th
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Re: ATL: IRMA - Hurricane - Discussion

#4154 Postby Falling Soil » Tue Sep 05, 2017 12:56 pm

wxmann_91 wrote:
Falling Soil wrote:Here I am sitting in Miami.. praying to God for help.. with the latest vortex message that says 160 knots and 926 mb.. Question: When one of these is available, does the NHC only use this or do they still use satellite, etc. in addition to these?


They use recon data over satellite estimates every time, if that's what you were asking about.


Exactly what I wanted to know.. Thanks wxmann!
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Re: ATL: IRMA - Hurricane - Discussion

#4155 Postby Dave C » Tue Sep 05, 2017 12:56 pm

WAcyclone wrote:Latest microwave:

Image

No sighns of early developing outer eyewall yet.
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Re: ATL: IRMA - Hurricane - Discussion

#4156 Postby Michele B » Tue Sep 05, 2017 12:57 pm

Shuriken wrote:
Michele B wrote:I hear you, Shuriken, but I've never seen a storm maintain that level of intensity for very long, in 60 years of "watching" them.
Allen, David, Mitch. They all went "hard" cat-5 and stayed that way for long periods of time without further eyewall replacement cycles. (And Isabel, even though it bounced around a lot in intensity, never underwent another EWRC after achieving a huge eye.) The structure of these storms, especially those with larger eyes, becomes quite stable and impervious to otherwise deleterious atmospheric effects.
I'm just glad to think it WILL weaken. I HOPE it weakens!
Without the introduction of shear, I do not expect Irma to weaken prior to proximity to Puerto Rico (and, if she doesn't begin gaining latitude very shortly, is going to run over that island). There's no reason for it to.

(One thing that can weaken an unsheared cat-5 over hot water is too much of a good thing: occasionally seen in WPAC and GoM storms such as Ike, is this tendency to slow down and grow to ginormous size while the central core sputters. A hurricane "on the move" with a subtropical high to the north shunting it along does not fall into that category.)


I think people will be studying this one for a long time, if for nothing else, but to figure out WHY it did have so many EWRC's!

Seems like it did one every 12 hours or so.

Think that made it even stronger?
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Cleo - 1964, Betsy - 1965, David - 1979, Andrew - 1992, Charlie (Francis, Ivan, Jeanne) - 2004, Irma - 2017, Ian - 2022

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Re: ATL: IRMA - Hurricane - Discussion

#4157 Postby plasticup » Tue Sep 05, 2017 1:00 pm

Langinbang187 wrote:
plasticup wrote:
znel52 wrote:Irma is the strongest tropical cyclone on planet Earth so far this year is it not?

And tied for 5th strongest Atlantic storm ever.


Pressure wise? Seems too high. Wind wise it's tied for second. :eek:

I hadn't seen the 2pm update. OMFG this is a monster. I can't believe it may make landfall at this strength.
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Re: ATL: IRMA - Hurricane - Discussion

#4158 Postby Exalt » Tue Sep 05, 2017 1:00 pm

Blown Away wrote:Image


This just keeps looking better and better, wow..
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Re: ATL: IRMA - Hurricane - Discussion

#4159 Postby combellack » Tue Sep 05, 2017 1:01 pm

Shuriken wrote:
NDG wrote:
Alyono wrote:I believe tornadoes are rated based upon the gusts (please correct me if wrong). Thus, the winds are EF5 strength now
And what makes it bad in a hurricane is that those winds are constant for a longer period of time, so more structures end up failing under those conditions.
185mph is a mid-range EF3 tornado. EF4 begins at 208mph.

http://www.spc.noaa.gov/faq/tornado/ef-scale.html


Those MPH numbers are for the old F scale the newer EF scale has EF5 being estimated as over 200MPH and it's a damage scale not a wind scale where winds are estimated based on damage.
Mark
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Re: ATL: IRMA - Hurricane - Discussion

#4160 Postby utweather » Tue Sep 05, 2017 1:03 pm

Someone posted the 12Z GFS ensembles on the models thread. It really looks likes its narrowing the cross-hairs into Miami.
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