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#1108870 (Received by flhurricane at: 8:02 AM 25.Sep.2022) TCPAT3 BULLETIN Tropical Storm Gaston Intermediate Advisory Number 20A NWS National Hurricane Center Miami FL AL082022 1200 PM GMT Sun Sep 25 2022 ...CENTER OF GASTON REFORMS FURTHER WEST... ...TROPICAL STORM WARNINGS FOR THE AZORES HAVE BEEN DISCONTINUED... SUMMARY OF 1200 PM GMT...1200 UTC...INFORMATION ----------------------------------------------- LOCATION...39.3N 35.8W ABOUT 380 MI...610 KM W OF FAIAL ISLAND IN THE CENTRAL AZORES MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Azores Meteorological Service has discontinued the Tropical Storm Warning for the islands of Flores and Corvo in the western Azores. For additional storm information specific to your area, please monitor products issued by your national meteorological service. SUMMARY OF WATCHES AND WARNING IN EFFECT: There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1200 PM GMT (1200 UTC), the center of Tropical Storm Gaston has reformed near latitude 39.3 North, longitude 35.8 West. Gaston is now moving toward the west near 10 mph (17 km/h). A gradual 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. 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 today. 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 300 PM GMT. $$ Forecaster Papin |