220
WTPZ31 KNHC 310836
TCPEP1
BULLETIN
TROPICAL STORM ALVIN ADVISORY NUMBER 11
NWS NATIONAL HURRICANE CENTER MIAMI FL EP012025
200 AM MST SAT MAY 31 2025
...ALVIN FORECAST TO A BECOME POST-TROPICAL REMNANT LOW LATER
TODAY...
SUMMARY OF 200 AM MST...0900 UTC...INFORMATION
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LOCATION...20.0N 109.3W
ABOUT 205 MI...330 KM S OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...N OR 350 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND OUTLOOK
----------------------
AT 200 AM MST (0900 UTC), THE CENTER OF TROPICAL STORM ALVIN WAS
LOCATED NEAR LATITUDE 20.0 NORTH, LONGITUDE 109.3 WEST. ALVIN IS
MOVING TOWARD THE NORTH NEAR 10 MPH (17 KM/H). A SLIGHTLY SLOWER
NORTHWARD MOTION IS EXPECTED DURING THE NEXT DAY OR SO.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 40 MPH (65 KM/H)
WITH HIGHER GUSTS. CONTINUED WEAKENING IS FORECAST, AND ALVIN IS
EXPECTED TO BECOME A REMNANT LOW LATER TODAY AND DISSIPATE ENTIRELY
ON SUNDAY.
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 90 MILES (150 KM)
FROM THE CENTER.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1005 MB (29.68 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
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NEXT COMPLETE ADVISORY AT 800 AM MST.
FORECASTER BUCCI
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