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BULLETIN
Tropical Storm Gaston Advisory Number   9
NWS National Hurricane Center Miami FL       AL082022
Issued by the NWS Weather Prediction Center College Park MD
300 PM GMT Thu Sep 22 2022
 
...GASTON MAINTAINING ITS STRENGTH...
...TROPICAL STORM CONDITIONS EXPECTED TO BEGIN IN THE
AZORES TONIGHT...
 
 
SUMMARY OF 300 PM GMT...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...40.9N 33.8W
ABOUT 315 MI...505 KM WNW OF FAIAL ISLAND IN THE CENTRAL AZORES
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...ENE OR 65 DEGREES AT 21 MPH...33 KM/H
MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNING IN EFFECT:
 
A Tropical Storm Warning is in effect for...
* Flores and Corvo in the western Azores
* Faial, Pico, Sao Jorge, Graciosa and Terceira in the central
Azores
 
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area, in this case within the
next 24 hours.
 
For storm information specific to your area, please monitor
products issued by your national meteorological service.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 300 PM GMT (1500 UTC), the center of Tropical Storm Gaston was
located near latitude 40.9 North, longitude 33.8 West. Gaston is
moving toward the east-northeast near 21 mph (33 km/h). A turn to
the east is expected by tonight, and a slower southeast or
southward motion is forecast by early Saturday.  On the forecast
track, the center of Gaston will move near or over portions of the
Azores tonight through Saturday.
 
Maximum sustained winds remain near 65 mph (100 km/h) with higher
gusts.  Gradual weakening is expected over the next few days.
 
Tropical-storm-force winds extend outward up to 115 miles (185 km)
from the center.
 
The estimated minimum central pressure is 999 mb (29.50 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
Key messages for Tropical Storm Gaston can be found in the Tropical
Cyclone Discussion under AWIPS header MIATCDAT3 and WMO header
WTNT43 KNHC and on the web at hurricanes.gov/text/MIATCDAT3.shtml.

WIND:  Tropical-storm-force winds are expected in portions of the
western Azores beginning tonight and will spread to the central
Azores on Friday. See products issued by the meteorological service
in the Azores.
 
SURF:  Swells generated by Gaston are expected to affect the Azores
beginning later today.  These swells are likely to cause
life-threatening surf and rip current conditions.  Please consult
products from your local weather office.
 
RAINFALL:  Gaston is expected to produce total rain accumulations
of 2 to 4 inches with isolated higher amounts across the western
and central Azores.
 
 
NEXT ADVISORY
-------------
Next intermediate advisory at 600 PM GMT.
Next complete advisory at 900 PM GMT.
 
$$
Forecaster Cangialosi/Weiss/Taylor

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