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Hurricane Michael Advisory Number 10
NWS National Hurricane Center Miami FL AL142018
1000 PM CDT Mon Oct 08 2018
...MICHAEL CONTINUES TO STRENGTHEN...
...STORM SURGE AND HURRICANE WARNINGS IN EFFECT FOR THE NORTHEASTERN
SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION
ABOUT 485 MI...780 KM S OF PANAMA CITY FLORIDA
ABOUT 450 MI...725 KM S OF APALACHICOLA FLORIDA
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
PRESENT MOVEMENT...N OR 350 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...970 MB...28.65 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
The government of Mexico has discontinued the Tropical Storm
Warning for the northeastern Yucatan peninsula and Cozumel.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Storm Surge Warning is in effect for...
* Okaloosa/Walton County Line Florida to Anclote River Florida
A Storm Surge Watch is in effect for...
* Anclote River Florida to Anna Maria Island Florida, including
* Alabama/Florida border to Okaloosa/Walton County Line Florida
A Hurricane Warning is in effect for...
* Alabama/Florida border to Suwannee River Florida
* The Cuban province of Pinar del Rio
A Hurricane Watch is in effect for...
* Alabama/Florida border to the Mississippi/Alabama border
A Tropical Storm Warning is in effect for...
* Alabama/Florida border to the Mississippi/Alabama border
* Suwanee River Florida to Chassahowitzka Florida
* The Cuban province of the Isle of Youth
A Tropical Storm Watch is in effect for...
* Chassahowitzka to Anna Maria Island Florida, including Tampa Bay
* Mississippi/Alabama border to the Mouth of the Pearl River
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
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.
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
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.
Interests elsewhere across the southeastern United States should
monitor the progress of Michael.
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
the United States, please monitor products issued by your national
DISCUSSION AND OUTLOOK
At 1000 PM CDT (0300 UTC), the center of the eye of Hurricane
Michael was located by NOAA and Air Force Reserve reconnaissance
aircraft near latitude 23.2 North, longitude 85.3 West. Michael is
moving toward the north near 12 mph (19 km/h). A northward to
north-northwestward motion at a slightly faster forward speed is
expected through Tuesday night, followed by a northeastward motion
on Wednesday and Thursday. On the forecast track, the center of
Michael will continue to move over the southeastern Gulf of Mexico
tonight, then move across the eastern Gulf of Mexico Tuesday and
Tuesday night. The center of Michael is expected to move inland over
the Florida Panhandle or Florida Big Bend area on Wednesday, and
then move northeastward across the southeastern United States
Wednesday night and Thursday.
Reports from the two reconnaissance aircraft indicate that maximum
sustained winds have increased to near 90 mph (150 km/h) with higher
gusts. Steady to rapid strengthening is forecast during the next
day or so, and Michael is expected to become a major hurricane by
Hurricane-force winds extend outward up to 35 miles (55 km) from the
center and tropical-storm-force winds extend outward up to 175 miles
The minimum central pressure recently measured by the two aircraft
was 970 mb (28.65 inches).
HAZARDS AFFECTING LAND
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 has the
potential to reach the following heights above ground if peak surge
occurs at the time of high tide...
Indian Pass FL to Cedar Key FL...8-12 ft
Cedar Key FL to Crystal River FL...6-8 ft
Okaloosa/Walton County Line FL to Indian Pass FL...6-9 ft
Crystal River FL to Anclote River FL...4-6 ft
Anclote River to Anna Maria Island FL including Tampa Bay...2-4 ft
Alabama/Florida border to Okaloosa/Walton County Line FL...2-4 ft
WIND: Hurricane conditions will continue over portions of the far
western Cuban province of Pinar del Rio through this evening.
Tropical storm conditions are expected across the remainder of the
warning areas in Cuba and the Yucatan Peninsula through tonight.
Hurricane conditions are expected within the hurricane warning
area along the U.S. Gulf Coast by Wednesday, with tropical storm
conditions expected by Tuesday night or early Wednesday. Tropical
storm conditions are expected in the tropical storm warning area by
Tuesday night or early Wednesday, and are possible within the
tropical storm watch area by that time. Hurricane conditions
are possible within the hurricane watch area by Wednesday.
RAINFALL: Michael is expected to produce the following rainfall
amounts through Friday...
Western Cuba...4 to 8 inches, with isolated maximum amounts of 12
inches. This rainfall could lead to life-threatening flash floods
Florida Panhandle and Big Bend, southeast Alabama, Georgia and South
Carolina... 4 to 8 inches, with isolated maximum amounts of 12
inches. This rainfall could lead to life threatening flash floods.
Florida Peninsula, Florida Keys, North Carolina, portions of the
Mid-Atlantic States, and the southern New England coast...2 to 4
inches with isolated maximum amounts of 6 inches. This rainfall
could lead to life-threatening flash floods.
Yucatan Peninsula...Additional rainfall less than 1 inch.
SURF: Swells generated by Michael are affecting the south coast of
Cuba and the east coast of the Yucatan Peninsula. Swells are
expected to begin affecting the coast of the eastern and northern
Gulf of Mexico during the next day or so. These swells are likely
to cause life-threatening surf and rip current conditions. Please
consult products from your local weather office.
Next intermediate advisory at 100 AM CDT.
Next complete advisory at 400 AM CDT.