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New NHC Advisory with Milton at 180 MPH 905mb. Recon heading back in and could get even stronger still. Tampa may get 10-15' of surge on current forecast track. #FLwx #HurricaneMilton
Days since last H. Landfall - US: Any 10 (Helene) , Major: 10 (Helene) Florida - Any: 10 (Helene) Major: 10 (Helene)
41.7N 38.4W
Wind: 75MPH
Pres: 963mb
Moving:
Ne at 29 mph
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17.4N 42.1W
Wind: 80MPH
Pres: 988mb
Moving:
Nw at 14 mph
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21.7N 91.3W
Wind: 175MPH
Pres: 911mb
Moving:
E at 9 mph
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#1191988 (Received by flhurricane at: 1:39 PM 04.Aug.2024)
TCPAT4

BULLETIN
Tropical Storm Debby Intermediate Advisory Number 9A
NWS National Hurricane Center Miami FL AL042024
200 PM EDT Sun Aug 04 2024

...DEBBY EXPECTED TO STRENGTHEN RAPIDLY INTO A HURRICANE
BEFORE MAKING LANDFALL IN THE BIG BEND AREA OF FLORIDA...
...MAJOR FLOOD THREAT FOR THE SOUTHEASTERN UNITED STATES...


SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...27.3N 84.4W
ABOUT 125 MI...205 KM WSW OF TAMPA FLORIDA
ABOUT 145 MI...235 KM SSW OF CEDAR KEY FLORIDA
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...NNW OR 330 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...992 MB...29.30 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 coast from the middle of Longboat Key northward to Indian
Pass including Tampa Bay

A Storm Surge Watch is in effect for...
* Florida coast from Bonita Beach northward to the middle of
Longboat Key, including Charlotte Harbor
* Georgia and South Carolina coast from the Mouth of the St. Mary's
River to South Santee River South Carolina

A Hurricane Warning is in effect for...
* Florida coast from the Suwannee River to the Ochlockonee River

A Hurricane Watch is in effect for...
* Florida coast west of the Ochlockonee River to Indian Pass
* Florida coast south of the Suwannee River to Yankeetown

A Tropical Storm Warning is in effect for...
* Dry Tortugas
* Florida coast south of the Suwannee River to East Cape Sable
* Florida coast west of the Ochlockonee River to Indian Pass

A Tropical Storm Watch is in effect for...
* Florida coast west of Indian Pass to Mexico Beach
* Georgia and South Carolina coast from the Mouth of the St. Mary's
River to South Santee River South Carolina

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 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.

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 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.

Interests elsewhere in Florida and the southeastern coast of the
United States should monitor the progress of this system.
Additional watches and warnings will likely be required later today.

For storm information specific to your area, including possible
inland watches and warnings, please monitor products issued by your
local National Weather Service forecast office.


DISCUSSION AND OUTLOOK
----------------------
At 200 PM EDT (1800 UTC), the center of Tropical Storm Debby was
located near latitude 27.3 North, longitude 84.4 West. Debby is
moving toward the north-northwest near 13 mph (20 km/h). A turn
toward the north is expected later today, followed by a slower
motion toward the northeast on Monday and Tuesday. On the forecast
track, the center will move across the northeastern Gulf of Mexico
through tonight and reach the Florida Big Bend coast Monday morning.
Debby is then expected to move slowly across northern Florida and
southern Georgia Monday and Tuesday.

Maximum sustained winds are near 65 mph (100 km/h) with higher
gusts. Rapid strengthening is forecast, and Debby is expected to
become a hurricane by tonight before it reaches the Florida Big
Bend coast. Weakening is expected on Monday and Tuesday
after Debby moves inland.

Tropical-storm-force winds extend outward up to 140 miles (220 km)
from the center.

The minimum central pressure estimated from Hurricane Hunter
observations is 992 mb (29.30 inches).


HAZARDS AFFECTING LAND
----------------------
Key messages for Debby can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC.

WIND: Hurricane conditions are expected in the hurricane warning
area and possible in the hurricane watch areas early Monday, with
tropical storm conditions expected to arrive this evening. Tropical
storm conditions are expected to spread northward over the tropical
storm warning areas through tonight. Tropical storm conditions are
possible in the watch area in the Florida Panhandle on Monday, and
along the coast of Georgia and South Carolina Monday night.

STORM SURGE: The combination of storm surge and 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...

Suwannee River to Ochlockonee River, FL...6-10 ft
Yankeetown, FL to Suwannee River, FL...5-8 ft
Ochlockonee River, FL to Indian Pass, FL...4-6 ft
Tampa Bay...3-5 ft
Middle of Longboat Key, FL to Yankeetown, FL...3-5 ft
Bonita Beach, FL to Middle of Longboat Key, FL...2-4 ft
Mouth of the St. Mary's River to South Santee River, SC...2-4 ft
Charlotte Harbor...2-4 ft

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: Debby is expected to produce rainfall totals of 6 to 12
inches, with maximum amounts of 18 inches, across portions of
northern Florida through Friday morning. This rainfall will likely
result in areas of considerable flash and urban flooding.

Across portions of southeast Georgia and South Carolina, 10 to 20
inches of rainfall, with local amounts to 30 inches, are expected
through Friday morning. This potentially historic rainfall may
result in areas of catastrophic flooding.

For western Cuba, additional rainfall amounts of 1 to 2 inches, with
localized higher amounts, will be possible through today. This will
result in isolated to scattered areas of flooding.

For a complete depiction of forecast rainfall and flash flooding
associated with Tropical Storm Debby, 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

TORNADOES: A few tornadoes are possible through Monday morning,
mainly over western and northern Florida and southern Georgia.

SURF: Swells generated by Debby are expected to affect much of the
Gulf coast of Florida through Monday. Swells will begin to affect
the Southeast U.S. coast on Monday and continue through the middle
of the week. These conditions 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 500 PM EDT.

$$
Forecaster Pasch