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| #1108480 (Received by flhurricane at: 5:03 AM 23.Sep.2022) TCPAT3 BULLETIN Tropical Storm Gaston Advisory Number 12 NWS National Hurricane Center Miami FL AL082022 900 AM GMT Fri Sep 23 2022 ...GASTON EXPECTED TO TURN SOUTHEASTWARD TODAY... ...TROPICAL STORM CONDITIONS AFFECTING THE WESTERNMOST AZORES ISLANDS... ...HEAVY RAINFALL EXPECTED OVER THE WEST AND CENTRAL AZORES TODAY AND SATURDAY... SUMMARY OF 900 AM GMT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...40.5N 29.6W ABOUT 140 MI...225 KM NNW OF FAIAL ISLAND IN THE CENTRAL AZORES MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...ESE OR 115 DEGREES AT 9 MPH...15 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 900 AM GMT (0900 UTC), the center of Tropical Storm Gaston was located near latitude 40.5 North, longitude 29.6 West. Gaston is moving toward the east-southeast near 9 mph (15 km/h). A slower southeastward motion is forecast 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 today through early Saturday. Maximum sustained winds have decreased to near 60 mph (95 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 produced total rainfall accumulations of 2 to 6 inches with isolated higher amounts across the western and central Azores. NEXT ADVISORY ------------- Next intermediate advisory at 1200 PM GMT. Next complete advisory at 300 PM GMT. $$ Forecaster Roberts |
