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Hurricane Genevieve Advisory Number 13
NWS National Hurricane Center Miami FL EP122020
900 AM MDT Wed Aug 19 2020
...HURRICANE WARNING ISSUED FOR SOUTHERN PORTIONS OF THE BAJA
SUMMARY OF 900 AM MDT...1500 UTC...INFORMATION
ABOUT 140 MI...225 KM S OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H
PRESENT MOVEMENT...NNW OR 335 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...959 MB...28.32 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
The government of Mexico has issued a Hurricane Warning for the
southern tip of the Baja California peninsula from Los Barriles to
The government of Mexico has extended the Tropical Storm Warning
northward along the west coast of the Baja California peninsula to
Cabo San Lazaro.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Warning is in effect for...
* Southern Baja California peninsula from Los Barriles to Todos
A Tropical Storm Warning is in effect for...
* West coast of the Baja California peninsula from north of
Todos Santos to Cabo San Lazaro
A Tropical Storm Watch is in effect for...
* The east coast of the Baja California peninsula from Los Barriles
to La Paz
A Hurricane Warning means that hurricane conditions are expected
somewhere within the warning area, in this case within the next 24
hours. Preparations to protect life and property should be rushed to
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 900 AM MDT (1500 UTC), the center of Hurricane Genevieve was
located near latitude 20.9 North, longitude 109.7 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 night. 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. Gradual weakening is forecast over the next
couple of days, but Genevieve is expected to remain a strong
hurricane while it passes west of the southern Baja California
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
The estimated minimum central pressure is 959 mb (28.32 inches).
HAZARDS AFFECTING LAND
WIND: Hurricane conditions are expected within the hurricane
warning 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 3 to
6 inches with isolated totals of 10 inches across portions of far
southern Baja California Sur. This rainfall may lead to
life-threatening flash flooding and mudslides.
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 intermediate advisory at 1200 PM MDT.
Next complete advisory at 300 PM MDT.