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Hurricane Michael Advisory Number 14
NWS National Hurricane Center Miami FL AL142018
1000 PM CDT Tue Oct 09 2018
...DANGEROUS HURRICANE MICHAEL CONTINUES TO STRENGTHEN...
...LIFE-THREATENING STORM SURGE...HURRICANE FORCE WINDS...AND HEAVY
RAINFALL EXPECTED ALONG THE NORTHEASTERN GULF COAST...
SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION
ABOUT 220 MI...355 KM SSW OF PANAMA CITY FLORIDA
ABOUT 200 MI...325 KM SSW OF APALACHICOLA FLORIDA
MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/H
PRESENT MOVEMENT...N OR 355 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...947 MB...27.97 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
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
A Tropical Storm Warning is in effect for...
* Alabama/Florida border to the Mississippi/Alabama border
* Suwanee River Florida to Chassahowitzka Florida
* north of Fernandina Beach Florida to South Santee River South
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
* South Santee River South Carolina to Duck North Carolina
* Pamlico and Albemarle Sounds
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, in this case within the next
24 hours. 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, in this case during the
next 12 hours.
A Storm Surge Watch means there is a possibility of life-
threatening inundation, from rising water moving inland from the
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area.
Interests elsewhere across the southeastern United States should
monitor the progress of Michael.
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 1000 PM CDT (0300 UTC), the center of Hurricane Michael was
located near latitude 27.1 North, longitude 86.5 West. Michael is
moving toward the north near 12 mph (19 km/h). A northward motion
is expected through tonight, followed by a northeastward motion on
Wednesday and Thursday. On the forecast track, the center of Michael
will move across the eastern Gulf of Mexico through tonight. The
center of Michael's eye is then 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, and move off the Mid-Atlantic coast away from
the United States on Friday.
Data from a NOAA Hurricane Hunter aircraft indicate that maximum
sustained winds have increased to near 125 mph (205 km/h) with
higher gusts. Michael is now a strong category 3 hurricane on the
Saffir-Simpson Hurricane Wind Scale. Some further strengthening is
expected overnight and on Wednesday, and Michael is forecast to
become a category 4 hurricane before it makes landfall in the
Florida Panhandle or the Florida Big Bend area. Weakening is
expected after landfall as Michael moves across the southeastern
Hurricane-force winds extend outward up to 45 miles (75 km) from the
center and tropical-storm-force winds extend outward up to 175 miles
The minimum central pressure recently measured by the reconnaissance
aircraft was 947 mb (27.97 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...
Mexico Beach FL to Keaton Beach FL...9-13 ft
Okaloosa/Walton County Line FL to Mexico Beach FL...6-9 ft
Keaton Beach FL to Cedar Key FL...6-9 ft
Cedar Key FL to Chassahowitzka FL...4-6 ft
Chassahowitzka 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 are expected within the hurricane
warning area along the U.S. Gulf Coast by Wednesday, with tropical
storm conditions expected by tonight or early Wednesday. Hurricane
conditions will also spread well inland across portions of the
Florida Panhandle, southeastern Alabama and southwestern Georgia.
Tropical storm conditions are expected in the tropical storm warning
area by tonight 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.
Tropical storm conditions are expected in the warning area along
the southeast U.S. coast by Wednesday, and possible in the watch
area by late Wednesday.
RAINFALL: Michael is expected to produce the following rainfall
amounts through Friday...
Florida Panhandle and Big Bend, southeast Alabama, and portions of
southwest and central Georgia...4 to 8 inches, with isolated maximum
amounts of 12 inches. This rainfall could lead to life threatening
The remainder of Georgia, the Carolinas, and southern Virginia...3
to 6 inches, with isolated maximum amounts of 8 inches. This
rainfall could lead to life-threatening flash floods.
Florida Peninsula, eastern Mid Atlantic, southern New England
SURF: Swells generated by Michael are affecting the coasts of the
eastern and northern Gulf of Mexico, and will spread to portions of
the northwestern and western Gulf of Mexico coast 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
TORNADOES: The threat for tornadoes will increase late tonight into
Wednesday over parts of the Florida Panhandle, the northern Florida
Peninsula, and southern Georgia.
Next intermediate advisory at 100 AM CDT.
Next complete advisory at 400 AM CDT.