643
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
----------------------------------------------
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
-------------
NEXT COMPLETE ADVISORY AT 200 PM MST.
FORECASTER HAGEN
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page