ATL: IAN - Post-Tropical - Discussion
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Re: ATL: IAN - Hurricane - Discussion
UW - CIMSS
ADVANCED DVORAK TECHNIQUE
ADT-Version 9.0
Tropical Cyclone Intensity Algorithm
----- Current Analysis -----
Date : 27 SEP 2022 Time : 195020 UTC
Lat : 23:53:23 N Lon : 83:13:12 W
CI# /Pressure/ Vmax
6.7 / 928mb / 132kts
Final T# Adj T# Raw T#
6.6 6.4 6.4
Estimated radius of max. wind based on IR : 18 km
Center Temp : +11.0C Cloud Region Temp : -69.2C
Scene Type : EYE
Subtropical Adjustment : OFF
Extratropical Adjustment : OFF
Positioning Method : ARCHER POSITIONING
Ocean Basin : ATLANTIC
Dvorak CI > MSLP Conversion Used : CKZ Method
Tno/CI Rules : Constraint Limits : NO LIMIT
Weakening Flag : ON
Rapid Dissipation Flag : OFF
ADVANCED DVORAK TECHNIQUE
ADT-Version 9.0
Tropical Cyclone Intensity Algorithm
----- Current Analysis -----
Date : 27 SEP 2022 Time : 195020 UTC
Lat : 23:53:23 N Lon : 83:13:12 W
CI# /Pressure/ Vmax
6.7 / 928mb / 132kts
Final T# Adj T# Raw T#
6.6 6.4 6.4
Estimated radius of max. wind based on IR : 18 km
Center Temp : +11.0C Cloud Region Temp : -69.2C
Scene Type : EYE
Subtropical Adjustment : OFF
Extratropical Adjustment : OFF
Positioning Method : ARCHER POSITIONING
Ocean Basin : ATLANTIC
Dvorak CI > MSLP Conversion Used : CKZ Method
Tno/CI Rules : Constraint Limits : NO LIMIT
Weakening Flag : ON
Rapid Dissipation Flag : OFF
Raw Ts coming down from 6.8 earlier. Could be related to this seemingly evident EWRC?
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Re: ATL: IAN - Hurricane - Discussion
Highest official winds in Key West so far, from pure pressure gradient.
36G58
https://www.weather.gov/wrh/timeseries? ... W&hours=72
36G58
https://www.weather.gov/wrh/timeseries? ... W&hours=72
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Re: ATL: IAN - Hurricane - Discussion
I'd conservatively go 110 kt with a 948 mb pressure for the advisory. It's possible it has strengthened more but we won't know until Recon gets back into the core this evening.
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Re: ATL: IAN - Hurricane - Discussion
CrazyC83 wrote:I'd conservatively go 110 kt with a 948 mb pressure for the advisory. It's possible it has strengthened more but we won't know until Recon gets back into the core this evening.
What is that AF recon doing to the north of Ian, is flying really low. Is it doing a search and rescue?
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- Iceresistance
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Re: ATL: IAN - Hurricane - Discussion
NDG wrote:CrazyC83 wrote:I'd conservatively go 110 kt with a 948 mb pressure for the advisory. It's possible it has strengthened more but we won't know until Recon gets back into the core this evening.
What is that AF recon doing to the north of Ian, is flying really low. Is it doing a search and rescue?
Someone apparently said it's a buoy drop mission.
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Bill 2015 & Beta 2020
Winter 2020-2021
All observations are in Tecumseh, OK unless otherwise noted.
Winter posts are focused mainly for Oklahoma & Texas.
Take any of my forecasts with a grain of salt, refer to the NWS, SPC, and NHC for official information
Never say Never with weather! Because ANYTHING is possible!
Winter 2020-2021

All observations are in Tecumseh, OK unless otherwise noted.
Winter posts are focused mainly for Oklahoma & Texas.
Take any of my forecasts with a grain of salt, refer to the NWS, SPC, and NHC for official information
Never say Never with weather! Because ANYTHING is possible!
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Re: ATL: IAN - Hurricane - Discussion
The southerly track is going to be really favorable compared to tampa and north.CrazyC83 wrote:I'd conservatively go 110 kt with a 948 mb pressure for the advisory. It's possible it has strengthened more but we won't know until Recon gets back into the core this evening.
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Re: ATL: IAN - Hurricane - Discussion
Iceresistance wrote:NDG wrote:CrazyC83 wrote:I'd conservatively go 110 kt with a 948 mb pressure for the advisory. It's possible it has strengthened more but we won't know until Recon gets back into the core this evening.
What is that AF recon doing to the north of Ian, is flying really low. Is it doing a search and rescue?
Someone apparently said it's a buoy drop mission.
if they dropped that thing east, I'm getting concerned

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Re: ATL: IAN - Hurricane - Discussion
jlauderdal wrote:Iceresistance wrote:NDG wrote:
What is that AF recon doing to the north of Ian, is flying really low. Is it doing a search and rescue?
Someone apparently said it's a buoy drop mission.
if they dropped that thing east, I'm getting concerned
Maybe they are dropped in strategic locations, such as free floating buoys? That are possibly allowed to drift with currents, or the wind?
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Re: ATL: IAN - Hurricane - Discussion
Publix, Universal and Disney closing tonight thru Friday, don't get more real than that here in Central Florida
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Just like Jon Snow..."I know nothing" except what I know, and most of what I know is gathered by the fine people of the NHC
- MetsIslesNoles
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Re: ATL: IAN - Hurricane - Discussion
CronkPSU wrote:Publix, Universal and Disney closing tonight thru Friday, don't get more real than that here in Central Florida
But is Waffle House still open?
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- mcheer23
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Re: ATL: IAN - Hurricane - Discussion
MetsIslesNoles wrote:CronkPSU wrote:Publix, Universal and Disney closing tonight thru Friday, don't get more real than that here in Central Florida
But is Waffle House still open?
Nope
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Re: ATL: IAN - Hurricane - Discussion
Eye is looking a bit ragged now on IR compared to the previous frames.
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Direct hit: Francis '04, Jeanne '04, Wilma '05 Hermine '16 Michael '18
Outer bands: Katrina '05 Irma '17
Outer bands: Katrina '05 Irma '17
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Re: RE: Re: ATL: IAN - Hurricane - Discussion
Strategic for sure, NHC and the AF dont do anything without a plan, doesnt always work though.underthwx wrote:jlauderdal wrote:Iceresistance wrote:
Someone apparently said it's a buoy drop mission.
if they dropped that thing east, I'm getting concerned
Maybe they are dropped in strategic locations, such as free floating buoys? That are possibly allowed to drift with currents, or the wind?
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Re: ATL: IAN - Hurricane - Discussion
I am not sure if this is a true EWR taking place, maybe is getting ready to start happening later but that inner eyewall still looks vigorous and has not shrink any in the past hour or two.
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Re: RE: Re: ATL: IAN - Hurricane - Discussion
Wow, thought disney might try for friday especially with all the kids off school.CronkPSU wrote:Publix, Universal and Disney closing tonight thru Friday, don't get more real than that here in Central Florida
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Re: ATL: IAN - Hurricane - Discussion
jlauderdal wrote:The southerly track is going to be really favorable compared to tampa and north.CrazyC83 wrote:I'd conservatively go 110 kt with a 948 mb pressure for the advisory. It's possible it has strengthened more but we won't know until Recon gets back into the core this evening.
Does NHC just follow TVCN or do they show if they anticipate more E movement??
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Hurricane Eye Experience: David 79, Irene 99, Frances 04, Jeanne 04, Wilma 05… Hurricane Brush Experience: Andrew 92, Erin 95, Floyd 99, Matthew 16, Irma 17, Ian 22, Nicole 22…
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Re: ATL: IAN - Hurricane - Discussion
Looks like an EWRC is occurring. Expansive wind field and likely increased coastal surge. Gonna be bad.....MGC
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