422
WTNT34 KNHC 091147
TCPAT4

BULLETIN
Hurricane Milton Intermediate Advisory Number 17A
NWS National Hurricane Center Miami FL       AL142024
800 AM EDT Wed Oct 09 2024

...WINDS WILL BEGIN TO INCREASE ALONG THE WEST COAST OF FLORIDA BY
THIS AFTERNOON...

...PREPARATIONS, INCLUDING EVACUATION IF TOLD TO DO SO, SHOULD BE
RUSHED TO COMPLETION THIS MORNING...

SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...25.0N 84.8W
ABOUT 120 MI...195 KM W OF THE DRY TORTUGAS
ABOUT 250 MI...405 KM SW OF TAMPA FLORIDA
MAXIMUM SUSTAINED WINDS...155 MPH...250 KM/H
PRESENT MOVEMENT...NE OR 40 DEGREES AT 16 MPH...26 KM/H
MINIMUM CENTRAL PRESSURE...915 MB...27.02 INCHES

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

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Storm Surge Warning is in effect for...
* Florida west coast from Flamingo northward to Yankeetown,
including Charlotte Harbor and Tampa Bay
* Sebastian Inlet Florida to Altamaha Sound Georgia, including the
St. Johns River

A Hurricane Warning is in effect for...
* Florida west coast from Bonita Beach northward to Suwannee River,
including Tampa Bay
* Florida east coast from the St. Lucie/Martin County Line northward
to Ponte Vedra Beach

A Storm Surge Watch is in effect for...
* North of Altamaha Sound Georgia to Edisto Beach South Carolina

A Hurricane Watch is in effect for...
* Dry Tortugas
* Lake Okeechobee
* Florida west coast from Chokoloskee to south of Bonita Beach
* Florida east coast north of Ponte Vedra Beach to the mouth of the
St. Marys River
* Florida east coast from the St. Lucie/Martin County Line to the
Palm Beach/Martin County Line

A Tropical Storm Warning is in effect for...
* Florida Keys, including Dry Tortugas and Florida Bay
* Lake Okeechobee
* Florida west coast from Flamingo to south of Bonita Beach
* Florida west coast from north of Suwanee River to Indian Pass
* Florida east coast south of the St. Lucie/Martin County Line to Flamingo
* North of Ponte Vedra Beach Florida to the Savannah River
* Extreme northwestern Bahamas, including Grand Bahama Island, the
Abacos, and Bimini

A Tropical Storm Watch is in effect for...
* North of the Savannah River to South Santee River South Carolina

A Storm Surge Warning means there is a danger of life-threatening
inundation, from rising water moving inland from the coastline,
during the next 36 hours 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.  A warning is typically issued
36 hours before the anticipated first occurrence of
tropical-storm-force winds, conditions that make outside
preparations difficult or dangerous.  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 within 36 hours.

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.
For a depiction of areas at risk, please see the National Weather
Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov.

A Hurricane Watch means that hurricane conditions are possible
within the watch area.  A watch is typically issued 48 hours
before the anticipated first occurrence of tropical-storm-force
winds, conditions that make outside preparations difficult or dangerous.

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.

For storm information specific to your area in the United
States, including possible inland watches and warnings, please
monitor products issued by your local National Weather Service
forecast office. For storm information specific to your area
outside of the United States, please monitor products issued by
your national meteorological service.

DISCUSSION AND OUTLOOK
----------------------
At 800 AM EDT (1200 UTC), the eye of Hurricane Milton was located
near latitude 25.0 North, longitude 84.8 West. Milton is moving
toward the northeast near 16 mph (26 km/h).  A northeastward motion
is expected through tonight.  A turn toward the east-northeast and
east is expected on Thursday and Friday.  On the forecast track, the
center of Milton will move across the eastern Gulf of Mexico today,
make landfall along the west-central coast of Florida late tonight
or early Thursday morning, and move off the east coast of Florida
over the western Atlantic Ocean Thursday afternoon.

Maximum sustained winds are near 155 mph (250 km/h) with higher
gusts.  Milton is a category 4 hurricane on the Saffir-Simpson
Hurricane Wind Scale.  Milton is expected to remain an extremely
dangerous major hurricane when it reaches the west-central coast of
Florida tonight.

Hurricane-force winds extend outward up to 30 miles (45 km) from
the center and tropical-storm-force winds extend outward up to 125
miles (205 km).

The minimum central pressure based on NOAA and Air Force Reserve
Hurricane Hunter data is 915 mb (27.02 inches).

HAZARDS AFFECTING LAND
----------------------
Key Messages for Milton 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 a dangerous 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...

Anna Maria Island, FL to Boca Grande, FL...10-15 ft
Anclote River, FL to Anna Maria Island, FL...8-12 ft
Tampa Bay...8-12 ft
Boca Grande, FL to Bonita Beach, FL...8-12 ft
Charlotte Harbor...8-12 ft
Bonita Beach, FL to Chokoloskee, FL...5-8 ft
Aripeka, FL to Anclote River, FL...4-7 ft
Chokoloskee, FL to Flamingo, FL...3-5 ft
Sebastian Inlet, FL to Altamaha Sound, GA...3-5 ft
Altamaha Sound, GA to Edisto Beach, SC...2-4 ft
Yankeetown, FL to Aripeka, FL...2-4 ft
Dry Tortugas...2-4 ft
St. Johns River...2-4 ft

The deepest water will occur along the immediate coast near and to
the south of the landfall location, where the surge will be
accompanied by large and dangerous 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.

For a complete depiction of areas at risk of storm surge
inundation, please see the National Weather Service Peak Storm
Surge Graphic, available at
hurricanes.gov/graphics_at4.shtml?peakSurge.

RAINFALL: Rainfall amounts of 6 to 12 inches, with localized totals
up to 18 inches, are expected across central to northern portions of
the Florida Peninsula through Thursday.  This rainfall brings the
risk of catastrophic and life-threatening flash and urban flooding,
along with moderate to major river flooding.

For a complete depiction of forecast rainfall associated with
Hurricane Milton, please see the National Weather Service Storm
Total Rainfall Graphic, available at
hurricanes.gov/graphics_at4.shtml?rainqpf and the Flash Flood Risk
graphic at hurricanes.gov/graphics_at4.shtml?ero.

WIND: Hurricane conditions are expected in the hurricane warning
area across Florida beginning this evening through early Thursday
and are possible in the hurricane watch area on Thursday. Tropical
storm conditions are expected to begin in the warning area on the
west coast of Florida around midday, spreading across the peninsula
and reaching the east coast tonight. Tropical storm conditions are
expected to begin in the warning area on the east coast of Florida
tonight and along the Georgia coast on Thursday.

Tropical storm conditions are expected in portions of the
northwestern Bahamas on Thursday.

Tropical storm conditions are possible within the watch area
on the South Carolina coast on Thursday.

TORNADOES: Several tornadoes are likely today and tonight across
parts of central and southern Florida.

SURF:  Swells generated by Milton are expected to continue to affect
much of the Gulf Coast and will increase along the southeastern U.S.
coast during the next day or two.  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 AM EDT.

Hourly Tropical Cyclone Updates will begin at 900 AM EDT (1300 UTC).

$$
Forecaster Berg
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