Public Tropical Cyclone Advisory

635
WTPZ34 KNHC 231446
TCPEP4
 
BULLETIN
Tropical Storm Iselle Advisory Number   1
NWS National Hurricane Center Miami FL       EP092026
800 AM MST Sun Aug 23 2026
 
...TROPICAL STORM ISELLE FORMS WELL OFFSHORE OF MEXICO...
 
 
SUMMARY OF 800 AM MST...1500 UTC...INFORMATION
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LOCATION...15.3N 114.2W
ABOUT 595 MI...955 KM SSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES
 
 
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 800 AM MST (1500 UTC), the center of Tropical Storm Iselle was 
located near latitude 15.3 North, longitude 114.2 West. Iselle is 
moving toward the west-northwest near 12 mph (19 km/h). A 
northwestward motion is expected through Monday, followed by a 
gradual turn back toward the west-northwest on Tuesday.
 
Maximum sustained winds are near 45 mph (75 km/h) with higher gusts.
Some strengthening is forecast during the next couple of days, and 
Iselle could become a hurricane late Monday or early Tuesday.
 
Tropical-storm-force winds extend outward up to 105 miles (165 km)
from the center.
 
The estimated minimum central pressure is 1003 mb (29.62 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
SURF: Swells generated by Iselle will affect the west coast of the
Baja California Peninsula beginning Monday.  These swells are
likely to 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 MST.