564
WTPZ31 KNHC 302043
TCPEP1
BULLETIN
TROPICAL STORM ALVIN ADVISORY NUMBER 9
NWS NATIONAL HURRICANE CENTER MIAMI FL EP012025
200 PM MST FRI MAY 30 2025
..TROPICAL STORM ALVIN MOVING NORTH-NORTHWESTWARD
...LARGE SWELL AND RIP CURRENTS POSSIBLE ACROSS PORTIONS OF WESTERN
MAINLAND MEXICO AND SOUTHERN BAJA CALIFORNIA PENINSULA THROUGH THE
WEEKEND...
SUMMARY OF 200 PM MST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...18.1N 109.0W
ABOUT 335 MI...540 KM S OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...NNW OR 335 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND OUTLOOK
----------------------
AT 200 PM MST (2100 UTC), THE CENTER OF TROPICAL STORM ALVIN WAS
LOCATED NEAR LATITUDE 18.1 NORTH, LONGITUDE 109.0 WEST. ALVIN IS
MOVING TOWARD THE NORTH-NORTHWEST NEAR 10 MPH (17 KM/H). A TURN
TOWARD THE NORTH IS EXPECTED TONIGHT, AND THIS MOTION SHOULD
CONTINUE THROUGH THE WEEKEND.
MAXIMUM SUSTAINED WINDS REMAIN NEAR 50 MPH (85 KM/H) WITH HIGHER
GUSTS. WEAKENING IS FORECAST, AND ALVIN IS EXPECTED TO DEGENERATE TO
A REMNANT LOW ON SATURDAY.
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 140 MILES (220 KM)
FROM THE CENTER.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1001 MB (29.56 INCHES).
HAZARDS AFFECTING LAND
----------------------
SURF: SWELLS GENERATED BY ALVIN WILL AFFECT PORTIONS OF THE COASTS
OF WEST-CENTRAL AND SOUTHWESTERN MEXICO AND THE SOUTHERN BAJA
CALIFORNIA PENINSULA THROUGH THE WEEKEND. 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 800 PM MST.
FORECASTER HAGEN
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