BULLETIN
Hurricane Idalia Advisory Number 11
NWS National Hurricane Center Miami FL AL102023
400 AM CDT Tue Aug 29 2023
...IDALIA NOW A HURRICANE...
...EXPECTED TO RAPIDLY INTENSIFY INTO AN EXTREMELY DANGEROUS MAJOR
HURRICANE BEFORE LANDFALL ON WEDNESDAY...
SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION
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LOCATION...23.1N 85.0W
ABOUT 85 MI...135 KM N OF THE WESTERN TIP OF CUBA
ABOUT 370 MI...600 KM SSW OF TAMPA FLORIDA
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...N OR 360 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...981 MB...28.97 INCHES
WATCHES AND WARNINGS
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CHANGES WITH THIS ADVISORY:
The government of Mexico has discontinued the Tropical Storm
Warning for the Yucatan Peninsula.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Storm Surge Warning is in effect for...
* Englewood northward to Indian Pass, including Tampa Bay
A Hurricane Warning is in effect for...
* Cuban province of Pinar del Rio
* Middle of Longboat Key northward to Indian Pass, including Tampa
Bay
A Tropical Storm Warning is in effect for...
* Isle of Youth Cuba
* Dry Tortugas Florida
* Chokoloskee northward to the Middle of Longboat Key
* West of Indian Pass to Mexico Beach
* Sebastian Inlet, Florida to Altamaha Sound, Georgia
A Storm Surge Watch is in effect for...
* Chokoloskee northward to Englewood, including Charlotte Harbour
* Mouth of the St. Mary's River to South Santee River South
Carolina
A Hurricane Watch is in effect for...
* Englewood to the Middle of Longboat Key
A Tropical Storm Watch is in effect for...
* Lower Florida Keys west of the west end of the Seven Mile Bridge
* Altamaha Sound northward to South Santee River South Carolina
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 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 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.
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 Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.
Interests along the southeastern U.S. coast should monitor the
progress of this system. Additional watches and warnings along the
southeast United States coast will likely be required later today.
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.