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Hurricane Ian


Scott747
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4 minutes ago, StormChaser4Life said:

What site do you get these on? Been trying to find it. I just tried address under picture and it didn't work

https://www.metoc.navy.mil/fnmoc/tropical.html 

Click on the Satellite Imagery of Tropical Cyclones link. It often gives a "not secure" warning, just as a heads up. Probably one of the more comprehensive pages for TC information

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6 minutes ago, NYC10023 said:

It has everything in its favor to do so though. nighttime, little to no shear and bath water 

I thought shear was supposed to ramp up big time by late tonight? If Ian doesn’t close off the new eyewall by then, the shear is going to inject a ton of dry air and erode away the southern periphery of the hurricane. Or so I would think…

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Just now, Intensewind002 said:

I thought shear was supposed to ramp up big time by late tonight? If Ian doesn’t close off the new eyewall by then, the shear is going to inject a ton of dry air and erode away the southern periphery of the hurricane. Or so I would think…

Correct.

15kts by 15z tomorrow and probably 20-25kts by landfall.

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Lots of tornadic action from the outer bands crossing into South Florida. I don’t recall hearing of this high level of tornado activity either when Ian approached Caymans or Cuba.   Does anyone know what seems to be more favorable in S FL that gives rise to tornado genesis? 

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Just now, Hotair said:

Lots of tornadic action from the outer bands crossing into South Florida. I don’t recall hearing of this high level of tornado activity either when Ian approached Caymans or Cuba.   Does anyone know what seems to be more favorable in S FL that gives rise to tornado genesis? 

Daytime heating boosting that 0-3KM CAPE helps.

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3 minutes ago, Hotair said:

Lots of tornadic action from the outer bands crossing into South Florida. I don’t recall hearing of this high level of tornado activity either when Ian approached Caymans or Cuba.   Does anyone know what seems to be more favorable in S FL that gives rise to tornado genesis? 

This is just a total amateur guess but could be simply because of land area which allows us to know they are there. The islands are tiny compared to Florida so the odds of a tornado hitting one is very low. Maybe there were just as many tornadoes out in the water but we never knew since we had no radar or people to see them. If a tornado forms in the middle of the ocean and no one was around to see it, did it make a noise?

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12 minutes ago, Intensewind002 said:

I thought shear was supposed to ramp up big time by late tonight? If Ian doesn’t close off the new eyewall by then, the shear is going to inject a ton of dry air and erode away the southern periphery of the hurricane. Or so I would think…

By the time shear affects this, EWRC will be complete 

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000
WTNT34 KNHC 272352
TCPAT4

BULLETIN
Hurricane Ian Intermediate Advisory Number 19A
NWS National Hurricane Center Miami FL       AL092022
800 PM EDT Tue Sep 27 2022

...LIFE-THREATENING STORM SURGE, CATASTROPHIC WINDS AND FLOODING 
EXPECTED IN THE FLORIDA PENINSULA...


SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...24.4N 83.0W
ABOUT 180 MI...290 KM SSW OF PUNTA GORDA FLORIDA
ABOUT 20 MI...35 KM SSW OF THE DRY TORTUGAS
MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H
PRESENT MOVEMENT...NNE OR 15 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...947 MB...27.96 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Hurricane Warning is in effect for...
* Chokoloskee to Anclote River, including Tampa Bay
* Dry Tortugas

A Storm Surge Warning is in effect for...
* Suwannee River southward to Flamingo
* Tampa Bay
* Dry Tortugas
* Flagler/Volusia Line to the mouth of the St. Mary's River
* St. Johns River

A Tropical Storm Warning is in effect for...
* Cuban provinces of La Habana, Mayabeque, and Matanzas
* Suwannee River to the Anclote River
* All of the Florida Keys
* Flamingo to Altamaha Sound
* Flamingo to Chokoloskee
* Lake Okeechobee
* Florida Bay
* Bimini and Grand Bahama Islands

A Storm Surge Watch is in effect for...
* Florida Keys from the Card Sound Bridge westward to Key West
* Florida Bay
* Mouth of St. Mary's River to South Santee River

A Tropical Storm Watch is in effect for...
* North of Altamaha Sound to South Santee River

A Storm Surge Warning means there is a danger of life-threatening
inundation, from rising water moving inland from the coastline, in
the indicated locations. For a depiction of areas at risk, please
see the National Weather Service Storm Surge Watch/Warning Graphic,
available at hurricanes.gov.  This is a life-threatening situation.
Persons located within these areas should take all necessary actions
to protect life and property from rising water and the potential for
other dangerous conditions.  Promptly follow evacuation and other
instructions from local officials.

A Hurricane Warning means that hurricane conditions are expected
somewhere within the warning area.  Preparations to protect life and
property should be rushed to completion.

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area.

A Storm Surge Watch means there is a possibility of life-
threatening inundation, from rising water moving inland from the
coastline, in the indicated locations during the next 48 hours.

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area.

For storm information specific to your area, please monitor
products issued by your national meteorological service.


DISCUSSION AND OUTLOOK
----------------------
At 800 PM EDT (0000 UTC), the center of Hurricane Ian was located
near latitude 24.4 North, longitude 83.0 West.  Ian is moving toward
the north-northeast near 10 mph (17 km/h).  This general motion 
with a reduction in forward speed is forecast tonight and Wednesday.
On the forecast track, the center of Ian is expected to pass west 
of the Florida Keys later tonight, and approach the west coast of 
Florida within the hurricane warning area on Wednesday and Wednesday 
night.

Maximum sustained winds are near 120 mph (195 km/h) with higher 
gusts.  Ian is a category 3 hurricane on the Saffir-Simpson 
Hurricane Wind Scale.  Strengthening is expected tonight through 
Wednesday.  Ian is forecast to approach the west coast of Florida as
an extremely dangerous major hurricane.

Hurricane-force winds extend outward up to 40 miles (65 km) from
the center and tropical-storm-force winds extend outward up to 140
miles (220 km). Sustained tropical-storm-force winds have been 
reported at the Key West International Airport and the Key West 
Naval Air Station during the last hour. A National Data Buoy 
Center Site near Sombrero Key recently reported a sustained wind of 
43 mph (69 km/h). The Florida Keys Marathon International Airport 
just reported a wind gust to 52 mph (84 km/h).

The minimum central pressure estimated from NOAA Hurricane Hunter 
aircraft observations is 947 mb (27.96 inches).


HAZARDS AFFECTING LAND
----------------------
Key messages for Ian can be found in the Tropical Cyclone Discussion
under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC and on the
web at hurricanes.gov/text/MIATCDAT4.shtml.

STORM SURGE:  The combination of storm surge and the tide will cause
normally dry areas near the coast to be flooded by rising waters
moving inland from the shoreline.  The water could reach the
following heights above ground somewhere in the indicated areas if
the peak surge occurs at the time of high tide...

* Middle of Longboat Key to Bonita Beach, including Charlotte
Harbor...8-12 ft
* Bonita Beach to Chokoloskee...6-9 ft
* Anclote River to Middle of Longboat Key, including Tampa 
Bay...4-6 ft
* Suwannee River to Anclote River...3-5 ft
* Mouth of the St. Mary's River to Altamaha Sound...4-6 ft
* Chokoloskee to East Cape Sable...4-6 ft
* Dry Tortugas...3-5 ft
* Flagler/Volusia County Line to Mouth of the St. Mary's River,
including St. Johns River...3-5 ft
* Altamaha Sound to Savannah River...3-5 ft
* St. Johns River south of Julington...2-4 ft
* Savannah River to South Santee River...2-4 ft
* East Cape Sable to Card Sound Bridge...2-4 ft
* Florida Keys...2-4 ft
* Patrick Air Force Base to Flagler/Volusia County Line...1-3 ft
* Indian Pass to Suwanee River...1-3 ft

The deepest water will occur along the immediate coast near and to
the right of the center, where the surge will be accompanied by
large waves.  Surge-related flooding depends on the relative timing
of the surge and the tidal cycle, and can vary greatly over short
distances.  For information specific to your area, please see
products issued by your local National Weather Service forecast
office.

WIND:  Hurricane conditions are expected along the west coast of
Florida within the Hurricane Warning area on Wednesday morning, with
tropical storm conditions possibly beginning tonight.

Tropical storm conditions are occurring in the warning area in the
Florida Keys, and will continue overnight.  Tropical storm 
conditions are expected in the warning area on the east coast of 
Florida beginning early Wednesday, and should spread up to Georgia 
and South Carolina on Thursday.  Tropical storm conditions are 
expected within the warning area in Cuba for the next few hours.

RAINFALL: Ian is expected to produce the following rainfall through
Thursday night:

* Western Cuba: 6 to 12 inches, with isolated totals up to 16
inches. These rains may produce flash flooding and mudslides in
areas of higher terrain over western Cuba.
* Florida Keys and South Florida: 6 to 8 inches, with isolated
totals up to 12 inches.
* Central and Northeast Florida: 12 to 18 inches, with isolated
totals up to 24 inches.
* Eastern Georgia and coastal South Carolina: 4 to 8 inches, with
isolated totals up to 12 inches.

Widespread catastrophic flash, urban, and river flooding is expected
across central and west Florida beginning midweek.  Widespread
considerable flash, urban, and river flooding is expected across
northern Florida, southeastern Georgia, and coastal South Carolina
from the end of the week through the weekend.  Limited river
flooding is expected over portions of the southeastern United
States into the Mid-Atlantic mid-to-late week.

TORNADOES: Tornadoes are possible through Wednesday across central
and south Florida.

SURF:  Swells generated by Ian are affecting the western Caribbean
and the Florida Keys, and will spread northward throughout the
eastern Gulf of Mexico tonight and Wednesday.  These swells are
likely to cause life-threatening surf and rip current conditions.
Please consult products from your local weather office.


NEXT ADVISORY
-------------
Next complete advisory at 1100 PM EDT.

$$
Forecaster Pasch/D. Zelinsky/Bucci
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