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BULLETIN
Post-Tropical Cyclone Idalia Intermediate Advisory Number 22A
NWS National Hurricane Center Miami FL       AL102023
200 AM EDT Fri Sep 01 2023
 
...IDALIA FORECAST TO SLOW DOWN TODAY...
...EXPECTED TO AFFECT BERMUDA THIS WEEKEND...
 
 
SUMMARY OF 200 AM EDT...0600 UTC...INFORMATION
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LOCATION...32.7N 70.6W
ABOUT 345 MI...555 KM W OF BERMUDA
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...E OR 100 DEGREES AT 20 MPH...31 KM/H
MINIMUM CENTRAL PRESSURE...996 MB...29.42 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 200 AM EDT (0600 UTC), the center of Post-Tropical Cyclone Idalia
was located near latitude 32.7 North, longitude 70.6 West. The
post-tropical cyclone is moving toward the east near 21 mph (31
km/h).  A turn toward the east-southeast is expected today, 
accompanied by a considerable decrease in forward speed.  A slower 
east or east-northeastward motion is expected over the weekend.  On 
the forecast track, Idalia will approach Bermuda over the weekend.
 
Maximum sustained winds are near 65 mph (100 km/h) with higher
gusts.  Gradual weakening is forecast through early Saturday.
Restrengthening is possible over the weekend, and Idalia is expected
to transition back to a tropical storm on Saturday.
 
Tropical-storm-force winds extend outward up to 230 miles (370 km)
from the center.
 
The estimated minimum central pressure is 996 mb (29.42 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 in the Outer Banks of North Carolina are 
expected to recede this morning.  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 expected to continue along
the coast of North Carolina through early this morning.
 
Tropical storm conditions are possible on Bermuda by Saturday.
 
RAINFALL:  Idalia is expected to produce rainfall amounts of 4 to 6
inches, or 100 to 150 millimeters, across Bermuda through Sunday
night. The heavy rainfall may cause areas of flash and urban
flooding on the island.
 
SURF:  Swells generated by Idalia will affect the southeastern U.S.
coast during the next couple of days and will reach Bermuda today. 
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 500 AM EDT.
 
$$
Forecaster Brown
 
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