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Hurricane Maria Advisory Number 37
NWS National Hurricane Center Miami FL AL152017
500 AM EDT Mon Sep 25 2017
...MARIA CONTINUES TO WEAKEN...
...TROPICAL STORM WARNING ISSUED FOR PORTIONS OF THE NORTH CAROLINA
SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION
ABOUT 350 MI...560 KM SSE OF CAPE HATTERAS NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H
PRESENT MOVEMENT...N OR 355 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...957 MB...28.26 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
A Tropical Storm Warning has been issued for the North Carolina
coast from Cape Lookout to Duck, including the Albemarle and Pamlico
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for...
* Cape Lookout to Duck
* Albemarle and Pamlico Sounds
A Tropical Storm Watch is in effect for...
* North of Duck to the North Carolina/Virginia border
* North of Surf City to south of Cape Lookout
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 Warning means that tropical storm conditions are
expected somewhere within the warning area within 36 hours.
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 500 AM EDT (0900 UTC), the center of Hurricane Maria was located
near latitude 30.6 North, longitude 73.0 West. Maria is moving
toward the north near 7 mph (11 km/h), and this general motion with
some decrease in forward speed is expected through Tuesday night.
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.
Reports from a NOAA Hurricane Hunter aircraft indicate that maximum
sustained winds have decreased to near 80 mph (130 km/h) with higher
gusts. Additional weakening is forecast during the next 48 hours,
and Maria is expected to weaken to a tropical storm by Tuesday
Maria is a large hurricane. Hurricane-force winds extend outward up
to 70 miles (110 km) mainly to the east of the center and
tropical-storm-force winds extend outward up to 230 miles (370 km).
The minimum central pressure estimated from the NOAA Hurricane
Hunter data is 957 mb (28.26 inches).
HAZARDS AFFECTING LAND
WIND: Tropical storm conditions are expected within the
warning area beginning Tuesday. Tropical storm conditions are
possible within the watch area beginning Tuesday.
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.
RAINFALL...Maria is expected to produce total rainfall accumulations
of 1 to 2 inches over the Outer Banks of North Carolina through
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 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 intermediate advisory at 800 AM EDT.
Next complete advisory at 1100 AM EDT.