ZCZC MIATCPEP2 ALL TTAA00 KNHC DDHHMM BULLETIN Hurricane Genevieve Advisory Number 8 NWS National Hurricane Center Miami FL EP122020 300 AM MDT Tue Aug 18 2020 ...GENEVIEVE BECOMES A MAJOR HURRICANE... ...TROPICAL STORM WARNING ISSUED FOR PORTIONS OF THE SOUTHERN BAJA CALIFORNIA PENINSULA... SUMMARY OF 300 AM MDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...17.4N 107.1W ABOUT 215 MI...345 KM WSW OF MANZANILLO MEXICO ABOUT 420 MI...675 KM SSE OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H PRESENT MOVEMENT...NW OR 310 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...962 MB...28.41 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Government of Mexico has issued a Tropical Storm Warning for the southern Baja California peninsula from Los Barriles to Todos Santos. The Government of Mexico has issued a Tropical Storm Watch for the east coast of the Baja California peninsula from Los Barriles to La Paz, and for the west coast of the Baja California peninsula from Todos Santos to Santa Fe. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Southern Baja California peninsula from Los Barriles to Todos Santos A Tropical Storm Watch is in effect for... * The east coast of the Baja California peninsula from Los Barriles to La Paz * The west coast of the Baja California peninsula from Todos Santos to Santa Fe A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 300 AM MDT (0900 UTC), the center of Hurricane Genevieve was located near latitude 17.4 North, longitude 107.1 West. Genevieve is moving toward the northwest near 17 mph (28 km/h), and this general motion is expected to continue with a decrease in forward speed through early Thursday. On the forecast track, the center of Genevieve is expected to move parallel to but well offshore the coast of southwestern Mexico during the next day or so. The center of the hurricane is forecast to move to the southwest of the southern portion of the Baja California peninsula on Wednesday night and Thursday. Maximum sustained winds have increased to near 115 mph (185 km/h) with higher gusts. Genevieve is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Additional rapid strengthening is forecast during the next 12 to 24 hours. Hurricane-force winds extend outward up to 30 miles (45 km) from the center and tropical-storm-force winds extend outward up to 150 miles (240 km). The estimated minimum central pressure is 962 mb (28.41 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected within the warning area in the southern Baja California peninsula by Wednesday afternoon, especially over higher terrain. Tropical storm conditions are possible within the watch area by Wednesday night or Thursday morning, especially over higher terrain. SURF: Large swells produced by Genevieve are affecting portions of the southern coast of Mexico and will spread northward along the southwestern and west-central coast of Mexico to the Baja California peninsula through Wednesday. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 600 AM MDT. Next complete advisory at 900 AM MDT. $$ Forecaster Beven NNNN