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Development chances in the Gulf of Mexico are going up and a named storm could be approaching the US next week. Very active period continues. Flhurricane.com
Days since last H. Landfall - US: Any 7 (Helene) , Major: 7 (Helene) Florida - Any: 7 (Helene) Major: 7 (Helene)
23.0N 48.9W
Wind: 140MPH
Pres: 939mb
Moving:
Nw at 12 mph
Click for Storm Spotlight
10.0N 33.0W
Wind: 65MPH
Pres: 996mb
Moving:
Wnw at 7 mph
Click for Storm Spotlight
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#1150683 (Received by flhurricane at: 7:51 PM 31.Aug.2023)
TCPAT5

BULLETIN
Post-Tropical Cyclone Idalia Intermediate Advisory Number 21A
NWS National Hurricane Center Miami FL AL102023
800 PM EDT Thu Aug 31 2023

...IDALIA PULLING AWAY FROM NORTH CAROLINA...
...EXPECTED TO AFFECT BERMUDA THIS WEEKEND...


SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...33.4N 72.2W
ABOUT 445 MI...715 KM WNW OF BERMUDA
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...E OR 90 DEGREES AT 21 MPH...33 KM/H
MINIMUM CENTRAL PRESSURE...994 MB...29.36 INCHES


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

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Watch is in effect for...
* Bermuda

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

For storm information specific to your area, please monitor
products issued by your national meteorological service.


DISCUSSION AND OUTLOOK
----------------------
At 800 PM EDT (0000 UTC), the center of Post-Tropical Cyclone Idalia
was located near latitude 33.4 North, longitude 72.2 West. Idalia
is moving toward the east near 21 mph (33 km/h), and this motion is
expected to continue through tonight. A turn toward the
east-southeast and east is expected on Friday and Saturday,
accompanied by a considerable decrease in forward speed. On the
forecast track, the center of Idalia will continue moving away from
the coast of North Carolina and approach Bermuda over the weekend.

Maximum sustained winds are near 65 mph (100 km/h) with higher
gusts. Gradual weakening is forecast through Friday night.
Restrengthening is possible over the weekend, and Idalia is expected
to transition back to a tropical storm by Saturday.

Tropical-storm-force winds extend outward up to 230 miles (370 km)
from the center. NOAA buoy 41002 well to the south of Cape Hatteras
recently reported a sustained wind of 36 mph (57 km/h) and a gust to
47 mph (76 km/h).

The estimated minimum central pressure is 994 mb (29.36 inches).


HAZARDS AFFECTING LAND
----------------------
Key messages for Idalia can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDAT5 and WMO header WTNT45 KNHC,
and on the web at hurricanes.gov/text/MIATCDAT5.shtml

STORM SURGE: Water levels remain elevated at the following
heights above ground somewhere in the indicated areas but should
subside overnight...

Beaufort Inlet, NC to Ocracoke Inlet, NC...1-3 ft
Neuse and Bay Rivers...1-3 ft
Pamlico and Pungo Rivers...1-3 ft
Ocracoke Inlet, NC to Duck, NC...1-3 ft

For information specific to your area, please see products issued by
your local National Weather Service forecast office.

WIND: Gusts to tropical storm force are still possible along the
coast of North Carolina through tonight.

Tropical storm conditions are possible on Bermuda by Saturday.

RAINFALL: Idalia is expected to produce rainfall amounts of 5 to 7
inches (125 to 175 millimeters) across Bermuda through Sunday night.
The heavy rainfall will likely lead to areas of flash and urban
flooding on the island.

SURF: Swells generated by Idalia will affect the southeastern U.S.
coast during the next few days and will reach Bermuda on Friday.
These swells are likely to cause life-threatening surf and rip
current conditions. Please consult products from your local weather
office.


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

$$
Forecaster Cangialosi