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Tropical Storm Florence Advisory Number 63
NWS National Hurricane Center Miami FL AL062018
1100 PM EDT Fri Sep 14 2018
...CENTER OF FLORENCE MOVING SLOWLY WEST-SOUTHWESTWARD OVER EXTREME
EASTERN SOUTH CAROLINA...
...LIFE-THREATENING STORM SURGES AND STRONG WINDS TO CONTINUE
...CATASTROPHIC FRESHWATER FLOODING EXPECTED OVER PORTIONS OF NORTH
AND SOUTH CAROLINA...
SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION
ABOUT 15 MI...20 KM WNW OF MYRTLE BEACH SOUTH CAROLINA
ABOUT 45 MI...70 KM SE OF FLORENCE SOUTH CAROLINA
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...WSW OR 255 DEGREES AT 5 MPH...7 KM/H
MINIMUM CENTRAL PRESSURE...980 MB...28.94 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
The Storm Surge Warning and Tropical Storm Warning have been
discontinued north of Ocracoke Inlet, North Carolina.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Storm Surge Warning is in effect for...
* Myrtle Beach South Carolina to Ocracoke Inlet North Carolina
* Pamlico Sound, including the Neuse and Pamlico Rivers
A Tropical Storm Warning is in effect for...
* Edisto Beach South Carolina to Ocracoke Inlet North Carolina
* Pamlico Sound
Interests elsewhere in the southeastern and mid-Atlantic states
should monitor the progress of Florence.
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 1100 PM EDT (0300 UTC), the center of Tropical Storm Florence was
located over extreme eastern South Carolina near latitude 33.8
North, longitude 79.1 West. Florence is moving toward the
west-southwest near 5 mph (7 km/h), and this motion is expected to
continue through early Saturday. Florence is forecast to turn
westward and then northward through the Carolinas and to the Ohio
Valley by Monday.
Radar data indicate that maximum sustained winds have decreased to
near near 65 mph (100 km/h) with higher gusts. Gradual weakening is
forecast while Florence moves farther inland during the next couple
of days, and it is likely to weaken to a tropical depression by
Tropical-storm-force winds extend outward up to 175 miles (280 km)
from the center. A wind gust to 60 mph (96 km/h) was recently
reported at Lumberton, North Carolina. A sustained wind of 39 mph
(63 km/h) and a gust to 52 mph (83 km/h) were recently reported at
Florence, South Carolina.
The estimated minimum central pressure based on surface observations
is 980 mb (28.94 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...
The Neuse, Pamlico, Pungo, and Bay Rivers...4-7 ft
Ocracoke Inlet NC to Cape Lookout NC...2-4 ft
Cape Lookout NC to Cape Fear NC...3-5 ft
Cape Fear NC to Myrtle Beach SC...2-4 ft
The deepest water will occur along the immediate coast in areas of
onshore winds, where the surge will be accompanied by large and
destructive waves. Surge-related flooding can vary greatly over
short distances. For information specific to your area, please see
products issued by your local National Weather Service forecast
RAINFALL: Florence is expected to produce heavy and excessive
rainfall in the following areas...
Southeastern coastal North Carolina into far northeastern South
Carolina...an additional 20 to 25 inches, with isolated storm totals
of 30 to 40 inches. This rainfall will produce catastrophic flash
flooding and prolonged significant river flooding.
Remainder of South Carolina and North Carolina into southwest
Virginia...5 to 10 inches, isolated 15 inches. This rainfall will
produce life-threatening flash flooding.
WIND: Tropical storm conditions will continue through Saturday
in portions of the warning area along the coast and also over large
portions of eastern North Carolina and extreme eastern South
Carolina, with tropical storm force wind gusts spreading well
TORNADOES: A few tornadoes are possible in southeastern North
Carolina and northeastern South Carolina through Saturday night.
SURF: Swells generated by Florence are affecting Bermuda, portions
of the U.S. East Coast, and the northwestern and central Bahamas.
These swells are likely to cause life-threatening surf and rip
current conditions. Please consult products from your local weather
Next intermediate advisory at 200 AM EDT.
Next complete advisory at 500 AM EDT.