172 WTNT33 KNHC 250531 TCPAT3 BULLETIN Tropical Storm Gaston Intermediate Advisory Number 19A NWS National Hurricane Center Miami FL AL082022 600 AM GMT Sun Sep 25 2022 ...GASTON STILL MOVING GENERALLY WESTWARD... ...TROPICAL STORM CONDITIONS EXPECTED TO CONTINUE ACROSS THE WESTERN AZORES FOR A FEW MORE HOURS... SUMMARY OF 600 AM GMT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...38.8N 33.9W ABOUT 280 MI...450 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 600 AM GMT (0600 UTC), the center of Tropical Storm Gaston was located near latitude 38.8 North, longitude 33.9 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 later today or tonight. 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 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 complete advisory at 900 AM GMT. $$ Forecaster Beven