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BULLETIN
Tropical Storm Iselle Advisory Number   9
NWS National Hurricane Center Miami FL       EP142020
800 AM PDT Fri Aug 28 2020
 
...COMPACT ISELLE MOVING SLOWLY NORTHEASTWARD...
...STILL EXPECTED TO BEGIN WEAKENING LATER TONIGHT...
 
 
SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION
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LOCATION...18.3N 115.3W
ABOUT 470 MI...760 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...NE OR 35 DEGREES AT 5 MPH...7 KM/H
MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES
 
 
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 800 AM PDT (1500 UTC), the center of Tropical Storm Iselle was
located near latitude 18.3 North, longitude 115.3 West. Iselle is
moving toward the northeast near 5 mph (7 km/h) and this
general motion is expected to continue through tonight.  A
northward turn is expected by Saturday morning followed by a
northwestward motion on Sunday evening.  Afterward,
Post-Tropical/Remnant Low Iselle is forecast to turn
west-northwestward in the low-level easterly flow.

Maximum sustained winds are near 60 mph (95 km/h) with higher gusts.
Some fluctuations in strength are possible today, but a gradual
weakening trend should commence later tonight.  An observing site
at Clarion Island, MX recently reported a sustained wind of 39 mph
(65 km/hr) and a gust of 47 mph (80 km/hr).

Tropical-storm-force winds extend outward up to 70 miles (110 km)
from the center.
 
The estimated minimum central pressure is 997 mb (29.44 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
SURF:  Swells generated by Iselle and a large area of southwesterly
winds to its south are affecting portions of the southwestern coast
of Mexico.  These swells are expected to spread northward along
the coast of west-central Mexico and the southern Baja California
peninsula through Sunday, and will likely cause life-threatening
surf and rip current conditions.  Please consult products from your
local weather office.
 
 
NEXT ADVISORY
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Next complete advisory at 200 PM PDT.
 
$$
Forecaster Roberts
 
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