000 WTPZ32 KNHC 191153 TCPEP2 BULLETIN Hurricane Genevieve Intermediate Advisory Number 12A NWS National Hurricane Center Miami FL EP122020 600 AM MDT Wed Aug 19 2020 ...GENEVIEVE MOVING NORTH-NORTHWESTWARD TOWARD THE BAJA CALIFORNIA PENINSULA... ...TROPICAL STORM CONDITIONS EXPECTED TO SPREAD OVER THE SOUTHERN PORTIONS OF THE BAJA CALIFORNIA PENINSULA THIS AFTERNOON... SUMMARY OF 600 AM MDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...20.6N 109.4W ABOUT 160 MI...260 KM S OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H PRESENT MOVEMENT...NNW OR 340 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Watch is in effect for... * Southern Baja California peninsula from Los Barriles to Todos Santos A Tropical Storm Warning is in effect for... * Southern Baja California peninsula from Los Barriles to Puerto Cortes 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 Puerto Cortes to Cabo San Lazaro A Hurricane Watch means that hurricane conditions are possible within the watch area, in this case within 24 to 36 hours. 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. A Hurricane Warning may be required later today for portions of the southern Baja California peninsula. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 600 AM MDT (1200 UTC), the center of Hurricane Genevieve was located near latitude 20.6 North, longitude 109.4 West. Genevieve is moving toward the north-northwest near 9 mph (15 km/h). A turn toward the northwest is expected this afternoon or tonight, with this motion continuing through Friday. On the forecast track, the center of Genevieve is expected to move near but just southwest of the southern portion of the Baja California peninsula tonight and Thursday, and move away from the peninsula on Friday. Maximum sustained winds are near 115 mph (185 km/h) with higher gusts. Genevieve is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Little change in strength is expected today, followed by weakening on Thursday and Friday. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km). The estimated minimum central pressure is 960 mb (28.35 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Hurricane conditions are possible in the hurricane watch area tonight and Thursday. Tropical storm conditions are expected within the warning area in the southern Baja California peninsula by this afternoon, especially over higher terrain. Tropical storm conditions are possible within the watch area by tonight or Thursday morning, especially over higher terrain. RAINFALL: Genevieve is expected to produce rainfall amounts of 2 to 4 inches with isolated totals of 6 inches across southern portions of Baja California Sur. 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 Thursday. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 900 AM MDT. $$ Forecaster Brown/Latto