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BULLETIN
Hurricane Genevieve Advisory Number  12
NWS National Hurricane Center Miami FL       EP122020
300 AM MDT Wed Aug 19 2020
 
...GENEVIEVE MOVING NORTH-NORTHWESTWARD TOWARD THE BAJA CALIFORNIA
PENINSULA...
...HURRICANE WATCH ISSUED FOR PORTIONS OF BAJA CALIFORNIA DEL SUR...
 
 
SUMMARY OF 300 AM MDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...20.2N 109.4W
ABOUT 190 MI...305 KM S OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H
PRESENT MOVEMENT...NNW OR 335 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...960 MB...28.35 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
The Government of Mexico has issued a Hurricane Watch for the
southern Baja California peninsula from Los Barriles to Todos
Santos.
 
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
southern Baja California peninsula.
 
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 20.2 North, longitude 109.4 West. Genevieve is
moving toward the north-northwest near 10 mph (17 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 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 intermediate advisory at 600 AM MDT.
Next complete advisory at 900 AM MDT.
 
$$
Forecaster Beven
 
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