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| #1108845 (Received by flhurricane at: 4:53 AM 25.Sep.2022) TCPAT3 BULLETIN Tropical Storm Gaston Advisory Number 20 NWS National Hurricane Center Miami FL AL082022 900 AM GMT Sun Sep 25 2022 ...GASTON MOVING WEST-NORTHWESTWARD AWAY FROM THE AZORES... SUMMARY OF 900 AM GMT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...39.0N 34.5W ABOUT 315 MI...505 KM W OF FAIAL ISLAND IN THE CENTRAL AZORES MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 10 MPH...17 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. 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 39.0 North, longitude 34.5 West. Gaston is moving toward the west-northwest near 10 mph (17 km/h). A turn toward the west is expected later today, and 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 tonight or on Monday. 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 for a few more hours. 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 Azores this morning. 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 1200 PM GMT. Next complete advisory at 300 PM GMT. $$ Forecaster Beven |
