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Hurricane Maria Intermediate Advisory Number 35A
NWS National Hurricane Center Miami FL AL152017
800 PM EDT Sun Sep 24 2017
...MARIA CONTINUES MOVING NORTHWARD...
SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION
ABOUT 410 MI...660 KM SSE OF CAPE HATTERAS NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H
PRESENT MOVEMENT...N OR 360 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...947 MB...27.96 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Watch is in effect for...
* North of Surf City northward to the North Carolina/Virginia border
* Albemarle and Pamlico Sounds
A Storm Surge Watch is in effect for...
* Cape Lookout to Duck
Interests elsewhere along the Carolina and Mid-Atlantic coasts
should monitor the progress of Maria.
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 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.
For a depiction of areas at risk, please see the National Weather
Service Storm Surge Watch/Warning Graphic, available at
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 48-HOUR OUTLOOK
At 800 PM EDT (0000 UTC), the center of Hurricane Maria was located
near latitude 29.7 North, longitude 72.9 West. Maria is moving
toward the north near 9 mph (15 km/h), and this general motion with
some decrease in forward speed is expected through Tuesday. On the
forecast track, the core of Maria will move well east of the
southeast coast of the United States during the next day or so.
Maximum sustained winds are near 105 mph (165 km/h) with higher
gusts. Some fluctuations in intensity are possible during the next
24 hours, but gradual weakening is expected to begin by Monday night
Maria is a large hurricane. Hurricane-force winds extend outward
up to 60 miles (95 km) from the center and tropical-storm-force
winds extend outward up to 230 miles (370 km).
The latest minimum central pressure estimated from Hurricane Hunter
aircraft observations is 947 mb (27.96 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm conditions are possible within the watch area
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 is
expected to reach the following heights above ground if the peak
surge occurs at the time of high tide...
Cape Lookout to Duck including the sound side of the Outer
Banks...2 to 4 ft
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 forecast office.
SURF: Swells generated by Maria are increasing along portions of
the southeastern United States coast and Bermuda and will be
increasing along the Mid-Atlantic coast later today. Swells also
continue to affect Puerto Rico, the Virgin Islands, the northern
coast of Hispaniola, the Turks and Caicos Islands, and the Bahamas.
These swells are likely to cause life-threatening surf and rip
current conditions. Please consult products from your local weather
office for more information.
Next complete advisory at 1100 PM EDT.