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PTC#16 Forms. Tropical Warning up Cape Fear, NC, to Fenwick Island, DE Storm Surge Watches up from Surf City, North Carolina to Chincoteague, VA, and the Chesapeake Bay south of Smith Point, including Albemarle and Pamlico Sounds.
Days since last H. Landfall - US: Any 22 (Idalia) , Major: 22 (Idalia) Florida - Any: 22 (Idalia) Major: 22 (Idalia)
45.1N 36.7W
Wind: 75MPH
Pres: 979mb
Ene at 37 mph
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29.7N 75.0W
Wind: 40MPH
Pres: 1006mb
Nne at 3 mph
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#1109464 (Received by flhurricane at: 10:59 AM 28.Sep.2022)

Hurricane Ian Discussion Number 24
NWS National Hurricane Center Miami FL AL092022
1100 AM EDT Wed Sep 28 2022

Air Force Reserve and NOAA Hurricane Hunter data was absolutely
critical this morning in diagnosing the rapid intensification of
Ian, despite both planes undergoing multiple eyewall penetrations
experiencing severe turbulence. That data supported an intensity of
about 135 kt a few hours ago. Since that time, high-resolution
Tampa Doppler radar data has been sampling the eyewall near 10,000
ft with winds up to 155 kt, indicating that Ian is on the threshold
of category 5 status. The maximum winds are set to 135 kt on this

Ian is expected to make landfall in southwestern Florida in the next
few hours as a catastrophic hurricane. No changes were made to the
track forecast near Florida, except to be faster to come into line
with the latest consensus aids. One important change is that Ian
is likely to remain more intact as it crosses the Florida peninsula
(due to both its stronger initial wind speed and its faster forecast
forward speed), and this now increases the threat of hurricane-force
winds on the east coast of Florida. This necessitates the issuance
of a Hurricane Warning on the east coast of central Florida. While
significant re-strengthening of Ian might not occur over the
Atlantic Ocean, model guidance has been catching up with a
trough interaction from a shortwave over the southern United
States, and are stronger than yesterday on Ian's intensity with
more baroclinic forcing. Thus, a Hurricane Watch has been issued
from northeastern Florida northward up the coast through most of
coastal South Carolina. The new intensity forecast is raised from
the previous one, near the latest statistical-dynamical guidance.

Key Messages:

1. Catastrophic storm surge inundation of 12 to 18 feet above ground
level along with destructive waves are expected somewhere along the
southwest Florida coastline from Englewood to Bonita Beach,
including Charlotte Harbor. Residents in these areas should urgently
follow any evacuation orders in effect.

2. Catastrophic wind damage is beginning along the southwestern
coast of Florida today near the landfall location. Hurricane-force
winds are expected to extend well inland along near the core of Ian.
Preparations to protect life and property should be urgently rushed
to completion.

3. Heavy rainfall will spread across the Florida peninsula through
Thursday and reach portions of the Southeast U.S. later this week
and this weekend. Widespread, life-threatening catastrophic
flooding is expected across portions of central Florida with
considerable flooding in southern Florida, northern Florida,
southeastern Georgia and coastal South Carolina. Widespread,
prolonged major and record river flooding is expected across
central Florida.

4. Hurricane conditions are expected along the east-central Florida
coast overnight, where a Hurricane Warning has been issued.
Hurricane conditions are possible from northeastern Florida to
portions of South Carolina on Thursday and Friday, and a Hurricane
Watch has been issued for that area.


INIT 28/1500Z 26.3N 82.5W 135 KT 155 MPH
12H 29/0000Z 27.3N 82.1W 105 KT 120 MPH...INLAND
24H 29/1200Z 28.3N 81.4W 60 KT 70 MPH...INLAND
36H 30/0000Z 29.3N 80.8W 55 KT 65 MPH...OVER WATER
48H 30/1200Z 30.8N 80.6W 55 KT 65 MPH...OVER WATER
60H 01/0000Z 32.9N 80.9W 45 KT 50 MPH...INLAND
72H 01/1200Z 34.7N 81.5W 30 KT 35 MPH...POST-TROP/EXTRATROP
96H 02/1200Z 36.0N 81.5W 20 KT 25 MPH...POST-TROP/EXTRATROP
120H 03/1200Z...DISSIPATED

Forecaster Blake