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Tropical Storm Genevieve Intermediate Advisory Number 18A
NWS National Hurricane Center Miami FL       EP122020
600 PM MDT Thu Aug 20 2020
 
...GENEVIEVE CONTINUES TO PRODUCE TROPICAL STORM CONDITIONS ACROSS
THE SOUTHWESTERN BAJA CALIFORNIA COAST...
 
 
SUMMARY OF 600 PM MDT...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...23.9N 112.8W
ABOUT 70 MI...110 KM SSW OF CABO SAN LAZARO MEXICO
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...NW OR 310 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...985 MB...29.09 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
 
None.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
 
A Tropical Storm Warning is in effect for...
* Baja California peninsula from Todos Santos to Cabo San Lazaro
 
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area.
 
For storm information specific to your area, please monitor
products issued by your national meteorological service.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 600 PM MDT (0000 UTC), the center of Tropical Storm Genevieve was
located near latitude 23.9 North, longitude 112.8 West. Genevieve is
moving toward the northwest near 12 mph (19 km/h), and this general
motion is expected to continue during the next few days.  On the
forecast track, the center of Genevieve is expected to gradually
move away from the Baja California peninsula.
 
Maximum sustained winds are near 70 mph (110 km/h) with higher
gusts.  Gradual weakening is expected, and Genevieve is expected to
become a remnant low this weekend.
 
Tropical-storm-force winds extend outward up to 105 miles (165 km)
from the center. An automated observing site near Puerto Cortes
recently reported a sustained wind of 40 mph (64 km/h) and a wind
gust of 46 mph (74 km/h).
 
The estimated minimum central pressure is 985 mb (29.09 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical storm conditions are expected to continue within
the warning area in the southwestern Baja California peninsula
during the next several hours, especially over higher terrain.
 
RAINFALL:  Genevieve is expected to produce additional rainfall
amounts of 1 to 3 inches across southern Baja California Sur, with
isolated storm totals of 12 inches across far southern Baja
California Sur.  While rainfall will generally continue to decrease
in intensity, some instances of flash flooding and mudslides remain
possible through this evening.
 
SURF:  Large swells produced by Genevieve are spreading northward
along the coast of the Baja California peninsula.  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 PM MDT.
 
$$
Forecaster Cangialosi
 
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