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re: Ian Observation Thread (Storm Track and Radar inside)

Posted on 9/26/22 at 9:39 am to
Posted by deltaland
Member since Mar 2011
96832 posts
Posted on 9/26/22 at 9:39 am to
This thread as Ian rapidly intensifies






Posted by SippyCup
Gulf Coast
Member since Sep 2008
6513 posts
Posted on 9/26/22 at 9:39 am to
quote:

Might head to my parents’ house in Cocoa Beach for a day. I’ve never flooded here in 10 years, though. Would be pretty inconvenient to have to make that trip.


It would be even more inconvenient to be flooded, stranded and not have services for weeks.
Posted by 50_Tiger
Arlington TX
Member since Jan 2016
42013 posts
Posted on 9/26/22 at 9:41 am to
I tell you what modeling has become so good 3~4 days out now its actually impressive on the accuracy.
Posted by deltaland
Member since Mar 2011
96832 posts
Posted on 9/26/22 at 9:43 am to
quote:

The surge, not wind, is what worries me. If you’ve never been to the area from St Pete to Tamp and south to Sarasota/Lido it’s hard to imagine how much water is really there. Everything is on or near the water and not very high. Lots of structures built prior to the new codes that were adopted in the 90s and at ground level.


When a place hadn’t been hit by a hurricane in 100 years, there will be a lot of structures existing that were built without concern for hurricanes. It definitely can be a major disaster
Posted by Hangit
The Green Swamp
Member since Aug 2014
43271 posts
Posted on 9/26/22 at 9:45 am to
Hillsbourough county is under mandatory evac for Zone A. Voluntary for Zone B. They are warning early that if they tell you to evac. and you don't, don't call to be rescued. Nobody is coming.

They also said to leave early because they expect 6-10 hour drives to Orlando. Disney is aboot 65 miles.

They said if you are not in mandatory evac areas and have a real house, hide from wind, run from water. If you have a trailer, GTFO. They are trying to get those who have decent structure to stay, saying we evacuated 2 million too many people for Irma. "Don't clog the roads unless you need to" is a quote
This post was edited on 9/26/22 at 9:53 am
Posted by ned nederlander
Member since Dec 2012
5056 posts
Posted on 9/26/22 at 9:51 am to
quote:

When a place hadn’t been hit by a hurricane in 100 years, there will be a lot of structures existing that were built without concern for hurricanes. It definitely can be a major disaster


And storm surge seems particularly hard to model. Really hope this this stays off shore of the Tampa area. I assume there is a lot of new development in areas that are much more flood prone than people realize.
Posted by IT_Dawg
Georgia
Member since Oct 2012
24363 posts
Posted on 9/26/22 at 9:53 am to
Posted by MoarKilometers
Member since Apr 2015
19850 posts
Posted on 9/26/22 at 9:55 am to
quote:

When a place hadn’t been hit by a hurricane in 100 years, there will be a lot of structures existing that were built without concern for hurricanes.

Anything built since 92 is built to hurricane code. Every wood sheathed roof should now be nailed on with ring shank nails, appropriately spaced, instead of those bobo staples that were tolerable in the 80s. The only thing that is iffy, how many houses still don't have hurricane clips tying the trusses to the top plate, and threaded rod embedded in the slab to tie the top plate down.
Posted by Hangit
The Green Swamp
Member since Aug 2014
43271 posts
Posted on 9/26/22 at 9:56 am to
Posted by LSUJuice
Back in Houston
Member since Apr 2004
17931 posts
Posted on 9/26/22 at 9:56 am to
quote:

They said if you are not in mandatory evac areas and have a real house, hide from wind, run from water. If you have a trailer, GTFO. They are trying to get those who have decent structure to stay, saying we evacuated 2 million too many people for Irma. "Don't clog the roads unless you need to" is a quote

Seems like very reasoned, nuanced, and sound advice from a public agency. I'm shocked.
Posted by NorthEndZone
Member since Dec 2008
13032 posts
Posted on 9/26/22 at 9:57 am to
quote:

000
WTNT34 KNHC 261456
TCPAT4

BULLETIN
Hurricane Ian Advisory Number 14
NWS National Hurricane Center Miami FL AL092022
1100 AM EDT Mon Sep 26 2022

...IAN FORECAST TO CONTINUE RAPIDLY STRENGTHENING...
...CONDITIONS IN WESTERN CUBA TO DETERIORATE THIS EVENING AND
TONIGHT WITH SIGNIFICANT WIND AND STORM SURGE IMPACTS EXPECTED...


SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...19.1N 82.7W
ABOUT 100 MI...160 KM W OF GRAND CAYMAN
ABOUT 240 MI...385 KM SE OF THE WESTERN TIP OF CUBA
MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H
PRESENT MOVEMENT...NW OR 325 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...980 MB...28.94 INCHES
This post was edited on 9/26/22 at 9:58 am
Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
48659 posts
Posted on 9/26/22 at 9:59 am to
quote:

Might head to my parents’ house in Cocoa Beach for a day. I’ve never flooded here in 10 years, though. Would be pretty inconvenient to have to make that trip.

Looking at the current surge maps, though, I don't think I would want to stay in that spot. Not saying your place will flood, but I think there is a good possibility of a lot of surge flooding around you.
Posted by Hangit
The Green Swamp
Member since Aug 2014
43271 posts
Posted on 9/26/22 at 10:00 am to
quote:

The only thing that is iffy, how many houses still don't have hurricane clips tying the trusses to the top plate, and threaded rod embedded in the slab to tie the top plate down.


I had to pay $100 for an inspection to bring my insurance down. With it, I pay $1600. Without, they were asking for $3200. Last year was $1200. When I built the house in 2001, it was $350.
Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
48659 posts
Posted on 9/26/22 at 10:00 am to
10am CDT advisory:


quote:

SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...19.1N 82.7W
ABOUT 100 MI...160 KM W OF GRAND CAYMAN
ABOUT 240 MI...385 KM SE OF THE WESTERN TIP OF CUBA
MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H
PRESENT MOVEMENT...NW OR 325 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...980 MB...28.94 INCHES

quote:

Hurricane Ian Discussion Number 14
NWS National Hurricane Center Miami FL AL092022
1100 AM EDT Mon Sep 26 2022

The satellite presentation of Ian has improved this morning. Deep
convection has increased within the inner core during the past
several hours, with an expanding central dense overcast noted in
recent satellite imagery. The inner core structure continues to take
shape in radar data, although the eyewall still has a banded
appearance and remains open on the west side. Dropsonde data from
the NOAA and Air Force Hurricane Hunter aircraft indicate that the
minimum pressure has gradually fallen to about 980 mb, and the
initial intensity is raised slightly to 70 kt for this advisory.

The intensity of Ian has increased by 30 kt during the past 18 h.
Further rapid intensification (RI) is expected during the next 24-36
h as Ian crosses the high oceanic heat content of the northwestern
Caribbean Sea within a very low vertical wind shear (VWS)
environment. The latest SHIPS-RI probabilities continue to highlight
the high likelihood of this scenario, with a 73 percent chance of a
35-kt wind speed increase in 24 h and a 79 percent chance of a 45-kt
increase in 36 h. The NHC intensity forecast is similar to the
previous one, and it shows Ian becoming a major hurricane by the
time it reaches western Cuba. Ian is forecast to reach its peak
intensity in 36 h over the southeastern Gulf of Mexico. Then,
increasing southwesterly shear by 36-48 h is expected to bring an
end to the intensification phase. The combination of strong VWS and
drier mid-level air will induce weakening thereafter, but Ian is
expected to remain at or near major hurricane strength as it passes
near the west-central coast of Florida on Wednesday and Thursday.

Ian continues to move northwestward at 325/11 kt. A turn toward the
north-northwest and north is expected during the next day or so as
the hurricane moves around the western extent of a mid-level ridge.
Then, an upper-level trough over the eastern U.S. should cause Ian
to turn more north-northeastward through Thursday. This track brings
the center of Ian close to the west-central coast of Florida during
the middle of the week. An even greater concern is the slower
forward motion that is forecast during this period, as the upper
trough passes north and east of Ian and the steering currents
weaken. This would likely prolong the storm surge, wind, and
rainfall impacts along the affected portions of the west coast of
Florida, although the roughly shore-parallel track still makes it
difficult to pinpoint exactly what locations will experience the
most severe impacts. The track guidance has come into better
agreement during the first 72 h of the forecast period, and only a
minor eastward adjustment was made to the NHC track forecast in line
with the multi-model consensus aids.

The aircraft data indicate that the 34-kt wind radii in the
northeastern quadrant were 20-30 n mi larger than previously
estimated, and this has been reflected in the latest forecast.
Based on these changes, Tropical Storm Watches have been issued for
the middle Florida Keys and extended southward along the
southwestern coast of Florida.


Key Messages:

1. Life-threatening storm surge, hurricane-force winds, flash
floods and possible mudslides are expected in portions of western
Cuba beginning this evening and continuing into Tuesday.
Devastating wind damage is possible where the core of Ian moves
across western Cuba. Efforts to protect life and property should be
rushed to completion.

2. Life-threatening storm surge is possible along much of the
Florida west coast, with the highest risk from Fort Myers to the
Tampa Bay region. Residents in these areas should listen to advice
given by local officials.

3. Hurricane-force winds are possible in the hurricane watch area
in west-central Florida beginning Wednesday morning with tropical
storm conditions possible by late Tuesday. Residents in this area
should ensure that they have their hurricane plan in place.

4. Heavy rainfall will increase across the Florida Keys and south
Florida Tuesday, spreading to central and northern Florida Wednesday
and Thursday, potentially causing flash, urban and small stream
flooding. Significant prolonged river flooding is likely across
central Florida.



FORECAST POSITIONS AND MAX WINDS

INIT 26/1500Z 19.1N 82.7W 70 KT 80 MPH
12H 27/0000Z 20.7N 83.5W 90 KT 105 MPH
24H 27/1200Z 22.7N 84.0W 105 KT 120 MPH
36H 28/0000Z 24.5N 84.0W 120 KT 140 MPH
48H 28/1200Z 26.1N 83.8W 120 KT 140 MPH
60H 29/0000Z 27.2N 83.5W 105 KT 120 MPH
72H 29/1200Z 28.0N 83.2W 90 KT 105 MPH
96H 30/1200Z 29.8N 82.9W 55 KT 65 MPH...INLAND
120H 01/1200Z 32.8N 82.6W 30 KT 35 MPH...INLAND
This post was edited on 9/26/22 at 10:04 am
Posted by NorthEndZone
Member since Dec 2008
13032 posts
Posted on 9/26/22 at 10:03 am to
Surge peak increased to 10 feet.

Please listen to your local officials regarding your own personal risk


Posted by MoarKilometers
Member since Apr 2015
19850 posts
Posted on 9/26/22 at 10:06 am to
quote:

I had to pay $100 for an inspection to bring my insurance down. With it, I pay $1600. Without, they were asking for $3200. Last year was $1200. When I built the house in 2001, it was $350.

It could be worse, a lot of carriers are now dropping folks with roofs over 11 or 12 years old. Absolute bullshite, but this is what our great leadership has allowed the insurance industry to do to us.
Posted by alphaandomega
Tuscaloosa-Here to Serve
Member since Aug 2012
15737 posts
Posted on 9/26/22 at 10:06 am to
I was not able to watch this thread yesterday so I may not be as up to date as come of yall.

I understand the situation with Tampa (and its large population centers) receiving hurricane force winds but on the TT models I am watching the eye and main portion of the storm looks to be a little off the coast and making landfall between Tallahassee and Gainesville.

Am I looking at it wrong?

Our charity responds from Lake Charles to Tallahassee. What is the consensus of possible damage in the big bend? There are fewer people there and alot of the response (red cross etc) will be to where the most people are, such as Tampa, but from the models I am watching it looks like the people north of Tampa will have a lot of damage as well.

I am not trying to sidetrack the thread but I need to make some decisions before ordering $15,000 worth of food to take. If their damage will be slight we wont respond and hold that money for another storm.

Posted by tide06
Member since Oct 2011
16799 posts
Posted on 9/26/22 at 10:10 am to
If Tampa Bay gets 8’+ of storm surge and eastern eye wall wind for a cat3 the entire state is f’d for insurance.

It could be one of the costliest storms in US history if that comes to pass.
Posted by SippyCup
Gulf Coast
Member since Sep 2008
6513 posts
Posted on 9/26/22 at 10:11 am to
quote:

I understand the situation with Tampa (and its large population centers) receiving hurricane force winds but on the TT models I am watching the eye and main portion of the storm looks to be a little off the coast and making landfall between Tallahassee and Gainesville. Am I looking at it wrong? Our charity responds from Lake Charles to Tallahassee. What is the consensus of possible damage in the big bend? There are fewer people there and alot of the response (red cross etc) will be to where the most people are, such as Tampa, but from the models I am watching it looks like the people north of Tampa will have a lot of damage as well. I am not trying to sidetrack the thread but I need to make some decisions before ordering $15,000 worth of food to take. If their damage will be slight we wont respond and hold that money for another storm.


Lets assume the track stays consistent. That still brings 10+ of surge into Tampa. They cant handle that. There will be more devastation in Tampa metro than where the eye crosses.
This post was edited on 9/26/22 at 10:14 am
Posted by Hangit
The Green Swamp
Member since Aug 2014
43271 posts
Posted on 9/26/22 at 10:12 am to
quote:

a lot of carriers are now dropping folks with roofs over 11 or 12 years old.


New roof on Jan. 4th. (Tornado damage) I guess we are finna test it, over here in Polk County. I have neighbors who had insurance companies that just pulled out of FL.
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