Summary for Tropical Storm Gaston (AT3/AL082022)

By | September 23, 2022

000
WTNT33 KNHC 231749
TCPAT3

BULLETIN
Tropical Storm Gaston Intermediate Advisory Number 13A
NWS National Hurricane Center Miami FL       AL082022
600 PM GMT Fri Sep 23 2022

...GASTON MOVING TOWARDS THE CENTRAL AZORES...
...TROPICAL STORM CONDITIONS AND HEAVY RAINFALL EXPECTED OVER THE
WESTERN AND CENTRAL AZORES TONIGHT AND SATURDAY...


SUMMARY OF 600 PM GMT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...39.8N 28.5W
ABOUT 80 MI...130 KM N OF FAIAL ISLAND IN THE CENTRAL AZORES
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...SE OR 140 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...995 MB...29.39 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 600 PM GMT (1800 UTC), the center of Tropical Storm Gaston was 
located near latitude 39.8 North, longitude 28.5 West. Gaston is 
moving toward the southeast near 9 mph (15 km/h).  A slower 
south-southeastward and then southward motion is forecast this 
evening, followed by a southwestward motion tonight and early 
Saturday, and a westward motion on Sunday.  On the forecast track, 
the center of Gaston will move near or over portions of the Azores 
through early 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 175 miles (280 km)
from the center.

The estimated minimum central pressure is 995 mb (29.39 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 and central Azores through tonight.  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 through Saturday.  These swells are likely to cause
life-threatening surf and rip current conditions.

RAINFALL:  Gaston is expected to produced total rainfall
accumulations of 2 to 6 inches with isolated higher amounts across
the western and central Azores.


NEXT ADVISORY
-------------
Next complete advisory at 900 PM GMT.

$$
Forecaster Bucci

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