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BULLETIN
Tropical Storm Gaston Advisory Number  19
NWS National Hurricane Center Miami FL       AL082022
300 AM GMT Sun Sep 25 2022
 
...GASTON CONTINUES WESTWARD...
...TROPICAL STORM CONDITIONS EXPECTED TO CONTINUE ACROSS THE WESTERN
AZORES FOR THE NEXT SEVERAL HOURS...
 
 
SUMMARY OF 300 AM GMT...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...38.6N 33.4W
ABOUT 255 MI...410 KM W OF FAIAL ISLAND IN THE CENTRAL AZORES
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...997 MB...29.44 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
 
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 AM GMT (0300 UTC), the center of Tropical Storm Gaston was
located near latitude 38.6 North, longitude 33.4 West. Gaston is
moving toward the west near 12 mph (19 km/h), and this general
motion is expected to continue through today.  A turn to the
west-southwest is forecast by Monday.
 
Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. 
Gradual weakening is forecast over the next few days, and Gaston is 
expected to become a post-tropical cyclone sometime today.
 
Tropical-storm-force winds extend outward up to 115 miles (185 km)
from the center.
 
The estimated minimum central pressure is 997 mb (29.44 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
Key messages for 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 through this morning.  See products issued by the
meteorological service in the Azores for more information.
 
SURF:  Swells generated by Gaston are expected to affect portions of
the Azores today.  These swells are likely to cause life-threatening
surf and rip current conditions.
 
RAINFALL:  Gaston is expected to produce additional rainfall
accumulations of 1 to 2 inches across the western and central
Azores.  This will result in storm total rainfall maxima up to 6
inches which may result in landslides and areas of flooding.
 
 
NEXT ADVISORY
-------------
Next intermediate advisory at 600 AM GMT.
Next complete advisory at 900 AM GMT.
 
$$
Forecaster Latto
 
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