[Tropical] Public Tropical Cyclone Advisory

[EMWIN Server]

WTNT33 KNHC 230546
TCPAT3

BULLETIN
Tropical Storm Gaston Intermediate Advisory Number 11A
NWS National Hurricane Center Miami FL       AL082022
600 AM GMT Fri Sep 23 2022

...TROPICAL STORM CONDITIONS AFFECTING THE WESTERNMOST AZORES
ISLANDS...


SUMMARY OF 600 AM GMT...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...40.8N 29.9W
ABOUT 165 MI...265 KM NNW OF FAIAL ISLAND IN THE CENTRAL AZORES
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...ESE OR 105 DEGREES AT 14 MPH...23 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 600 AM GMT (0600 UTC), the center of Tropical Storm Gaston was
located near latitude 40.8 North, longitude 29.9 West.  Gaston is
moving toward the east-southeast near 14 mph (23 km/h).  A slower
southeastward motion is forecast later today followed by a
southward, and then southwestward, motion tonight and early
Saturday.  On the forecast track, the center of Gaston will move
near or over portions of the Azores tonight through early Saturday.

Maximum sustained winds are 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 and central Azores through today.  See products issued by
the meteorological service in the Azores.

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.  Please consult
products from your local weather office.

RAINFALL:  Gaston is expected to produce 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 AM GMT.

$$
Forecaster Roberts
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