327
WTNT35 KNHC 201153
TCPAT5

BULLETIN
Hurricane Erin Intermediate Advisory Number 36A
NWS National Hurricane Center Miami FL AL052025
800 AM EDT Wed Aug 20 2025

...OUTER BANDS OF LARGE HURRICANE ERIN EXPECTED TO BRING
WORSENING WEATHER CONDITIONS TO THE COAST OF NORTH CAROLINA BY THIS EVENING...

...BEACHGOERS ARE CAUTIONED AGAINST SWIMMING AT MOST U.S. EAST
COAST BEACHES DUE TO LIFE-THREATENING SURF AND RIP CURRENTS...

SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION ----------------------------------------------
LOCATION...29.6N 73.7W
ABOUT 560 MI...900 KM WSW OF BERMUDA
ABOUT 400 MI...645 KM SSE OF CAPE HATTERAS NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H
PRESENT MOVEMENT...NNW OR 345 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...948 MB...28.00 INCHES

WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Storm Surge Warning is in effect for...
* Cape Lookout to Duck, North Carolina

A Tropical Storm Warning is in effect for...
* Beaufort Inlet, North Carolina to the North Carolina/Virginia
border, including Pamlico and Albemarle sounds.

A Tropical Storm Watch is in effect for...
* North of the North Carolina/Virginia border to Chincoteague, Virginia
* Bermuda

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area, in this case within the
next 24 hours.

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.

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
officials.

Interests along the U.S Mid-Atlantic coast, the southern New
England coast, and Atlantic Canada should monitor the progress of Erin.

For storm information specific to your area in the United
States, including possible inland watches and warnings, please
monitor products issued by your local National Weather Service
forecast office. For storm information specific to your area
outside of the United States, please monitor products issued by
your national meteorological service.

DISCUSSION AND OUTLOOK
----------------------
At 800 AM EDT (1200 UTC), the eye of Hurricane Erin was located
by an Air Force Hurricane Hunter plane near latitude 29.6 North,
longitude 73.7 West. Erin is moving toward the north-northwest near
13 mph (20 km/h). A turn toward the north and north-northeast is
expected today and tonight, followed by a faster motion toward the
northeast and east-northeast by Thursday and Friday. On the
forecast track, the center of Erin will move over the western
Atlantic between the U.S. east coast and Bermuda today through early
Friday, and then pass south of Atlantic Canada Friday and Saturday.

Maximum sustained winds are near 100 mph (155 km/h) with higher
gusts. Some strengthening is possible during the next day or so.
Weakening is likely to begin by Friday, but Erin is forecast to
remain a hurricane into the weekend.

Erin is a large hurricane. Hurricane-force winds extend outward up
to 90 miles (150 km) from the center and tropical-storm-force winds
extend outward up to 265 miles (425 km).

The minimum central pressure reported by the Air Force Hurricane
Hunter aircraft is 948 mb (28.00 inches).

HAZARDS AFFECTING LAND
----------------------
Key messages for Erin can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDAT5 and WMO header WTNT45 KNHC.

WIND: Tropical storm conditions are expected over portions of the
North Carolina Outer Banks beginning late today or tonight.
Tropical storm conditions are possible along the Atlantic coast of
Virginia on Thursday and on Bermuda Thursday and Friday.

SURF: Swells generated by Erin will affect the Bahamas, Bermuda,
the east coast of the United States, and Atlantic Canada during the
next several days. These rough ocean conditions are expected to
cause life-threatening surf and rip currents. Please consult
products from your local weather forecast office for more information.

A depiction of rip current risk for the United States can be found
at: hurricanes.gov/graphics_at5.shtml?ripCurrents

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...

Cape Lookout to Duck, North Carolina...2 to 4 ft

The deepest water will occur along the immediate coast where the
surge will be accompanied by large and dangerous 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 forecast office.

For a complete depiction of areas at risk of storm surge inundation,
please see the National Weather Service Peak Storm Surge Graphic,
available at hurricanes.gov/graphics_at5.shtml?peakSurge.

RAINFALL: The outer bands of Erin may bring 1 to 2 inches of
rainfall to the Outer Banks of North Carolina this afternoon into Thursday.

For a complete depiction of forecast rainfall and flash flooding
associated with Erin, please see the National Weather Service Storm
Total Rainfall Graphic, available at
hurricanes.gov/graphics_at5.shtml?rainqpf

NEXT ADVISORY
-------------
Next complete advisory at 1100 AM EDT.

$$
Forecaster Pasch
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