678
WTPZ34 KNHC 241433
TCPEP4
BULLETIN
TROPICAL STORM ISELLE ADVISORY NUMBER 5
NWS NATIONAL HURRICANE CENTER MIAMI FL EP092026
800 AM PDT MON AUG 24 2026
..ISELLE CONTINUES TO STRENGTHEN
SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION
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LOCATION...18.5N 117.1W
ABOUT 555 MI...895 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...NW OR 310 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...992 MB...29.30 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 18.5 NORTH, LONGITUDE 117.1 WEST. ISELLE IS
MOVING TOWARD THE NORTHWEST NEAR 13 MPH (20 KM/H) AND THIS MOTION IS
EXPECTED TO CONTINUE THROUGH TONIGHT, FOLLOWED BY A TURN TOWARD THE
WEST-NORTHWEST ON TUESDAY.
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 65 MPH (100 KM/H)
WITH HIGHER GUSTS. SOME STRENGTHENING IS EXPECTED OVER THE NEXT 12
TO 24 HOURS, AND ISELLE COULD BECOME A HURRICANE BY TONIGHT. GRADUAL
WEAKENING IS THEN FORECAST STARTING LATER ON TUESDAY.
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 140 MILES (220 KM)
FROM THE CENTER.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 992 MB (29.30 INCHES).
HAZARDS AFFECTING LAND
----------------------
SURF: SWELLS GENERATED BY ISELLE ARE AFFECTING THE WEST COAST OF THE
BAJA CALIFORNIA PENINSULA, AND WILL CONTINUE FOR A COUPLE MORE DAYS.
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 PDT.
FORECASTER HAGEN
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