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Hurricane Genevieve Advisory Number 11
NWS National Hurricane Center Miami FL EP122020
900 PM MDT Tue Aug 18 2020
...GENEVIEVE GRADUALLY APPROACHING BAJA CALIFORNIA SUR...
SUMMARY OF 900 PM MDT...0300 UTC...INFORMATION
ABOUT 240 MI...390 KM SSE OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H
PRESENT MOVEMENT...NW OR 325 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...956 MB...28.23 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for...
* Southern Baja California peninsula from Los Barriles to Puerto
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 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 PM MDT (0300 UTC), the eye of Hurricane Genevieve was
located near latitude 19.5 North, longitude 109.0 West. Genevieve
is moving toward the northwest near 10 mph (17 km/h). This general
motion is expected to continue with a decrease in forward speed
through Thursday. On the forecast track, the center of Genevieve is
expected to move near but southwest of the southern portion of the
Baja California peninsula on Wednesday night and Thursday, and move
away from the peninsula on Friday.
Maximum sustained winds are near 120 mph (195 km/h) with higher
gusts. Genevieve is a category 3 hurricane on the Saffir-Simpson
Hurricane Wind Scale. Little change in strength is expected during
the next day or so, 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
The estimated minimum central pressure is 956 mb (28.23 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.
RAINFALL: Genevieve is expected to produce rainfall amounts of
1 to 4 inches across portions of far southern Baja California Sur
and portions of the southwest coast of Mexico.
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 AM MDT.
Next complete advisory at 300 AM MDT.