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Tropical Storm Gordon Advisory Number 11
NWS National Hurricane Center Miami FL AL072018
1000 PM CDT Tue Sep 04 2018
...CENTER OF GORDON MAKING LANDFALL JUST WEST OF THE
SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION
ABOUT 30 MI...50 KM ESE OF BILOXI MISSISSIPPI
ABOUT 35 MI...55 KM SSW OF MOBILE ALABAMA
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...NW OR 315 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
All warnings and watches west of the mouth of the Pearl River have
been discontinued. The Storm Surge Warning west of Biloxi has
also been discontinued.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Storm Surge Warning is in effect for...
* Biloxi Mississippi to Dauphin Island
A Storm Surge Watch is in effect for...
* East of Dauphin Island to Navarre
A Hurricane Warning is in effect for...
* Mouth of the Pearl River to the Alabama-Florida Border
A Tropical Storm Warning is in effect for...
* Alabama-Florida Border to Okaloosa-Walton County Line
A Storm Surge Warning means there is a danger of life-threatening
inundation, from rising water moving inland from the coastline,
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 Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning areas.
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 Tropical Storm Gordon was
located near latitude 30.3 North, longitude 88.4 West. Gordon is
moving toward the northwest near 14 mph (22 km/h). A
northwestward motion with some decrease in forward speed is
expected over the next couple of days. On the forecast track, the
center of Gordon will move inland across the lower Mississippi
Valley through Wednesday. A turn toward the north-northwest
and north is forecast to occur on Friday.
Maximum sustained winds are near 70 mph (110 km/h) with higher
gusts. Rapid weakening is forecast after Gordon moves inland, and
Gordon is forecast to become a tropical depression on Wednesday.
Tropical-storm-force winds extend outward up to 80 miles (130 km)
from the center. A NOAA Coastal Marine Observing site on Dauphin
Island, Alabama has measured a sustained wind of 57 mph (91 km/h)
with a gust to 72 mph (117 km/h). A wind gust of 61 mph (98 km/h)
was recently observed at the Pensacola Naval Air Station.
The latest minimum central pressure estimated from NOAA Hurricane
Hunter aircraft data is 997 mb (29.44 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 could
reach the following heights above ground somewhere in the indicated
areas if the peak surge occurs at the time of high tide...
Mouth of the Mississippi River to Biloxi...1 to 3 ft.
Biloxi to the Alabama/Florida Border including Mobile Bay...2 to
Alabama/Florida Border to Navarre, Florida...1 to 3 ft.
The deepest water will occur along the immediate coast near and to
the east of the landfall location, where the surge will be
accompanied by large 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
RAINFALL: Gordon is expected to produce total rain accumulations of
4 to 8 inches over the western Florida Panhandle, southwest Alabama,
southern and central Mississippi, northeastern Louisiana, and
southern Arkansas, with isolated maximum amounts of 12 inches
through late Thursday. This rainfall will cause flash flooding
across portions of these areas.
WIND: Tropical storm and hurricane conditions will continue to
spread onshore during the next several hours within portions of the
TORNADOES: A couple of tornadoes are possible tonight near the
coasts of Alabama and the western Florida Panhandle.
Next intermediate advisory at 100 AM CDT.
Next complete advisory at 400 AM CDT.