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BULLETIN
Post-Tropical Cyclone Idalia Intermediate Advisory Number 25A
NWS National Hurricane Center Miami FL       AL102023
800 PM AST Fri Sep 01 2023

...IDALIA NEAR BERMUDA... 
...HEAVY RAINS AND STRONG WINDS EXPECTED THERE THROUGH THE 
WEEKEND...
 
 
SUMMARY OF 800 PM AST...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...31.9N 66.0W
ABOUT 80 MI...125 KM WSW OF BERMUDA
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...ESE OR 105 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Tropical Storm Warning is in effect for...
* Bermuda
 
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area within 36 hours.
 
For storm information specific to your area, please monitor
products issued by your national meteorological service.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 800 PM AST (0000 UTC), the center of Post-Tropical Cyclone Idalia
was located near latitude 31.9 North, longitude 66.0 West.  Idalia
is moving toward the east-southeast near 15 mph (24 km/h), and this
general trajectory at a slower forward speed is expected through
early Saturday.  A turn toward the east and then northeast is
forecast over the weekend.  On the forecast track, the center of
Idalia will move near Bermuda on Saturday.
 
Maximum sustained winds are near 50 mph (85 km/h) with higher
gusts. Little change in strength is expected during the next few 
days. Idalia could transition to a tropical or subtropical storm on
Saturday.
 
Tropical-storm-force winds extend outward up to 240 miles (390 km)
from the center.
 
The estimated minimum central pressure is 1000 mb (29.53 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
 
WIND:  Tropical storm conditions are expected on Bermuda by
Saturday.
 
RAINFALL:  Idalia is expected to produce rainfall amounts of 3 to 5
inches, or 75 to 125 millimeters, across Bermuda through the
weekend.  The heavy rainfall will likely cause areas of flash and
urban flooding on the island.
 
SURF:  Swells generated by Idalia will affect the southeastern U.S.
coast and Bermuda during the next couple of days.  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 AST.
 
$$
Forecaster Cangialosi
 
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