Tropical Storm ALVIN
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BULLETIN
TROPICAL STORM ALVIN ADVISORY NUMBER 3
NWS NATIONAL HURRICANE CENTER MIAMI FL EP012013
800 PM PDT WED MAY 15 2013
...ALVIN STRENGTHENING...
SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION
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LOCATION...9.0N 105.9W
ABOUT 700 MI...1125 KM S OF MANZANILLO MEXICO
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES
WATCHES AND WARNINGS
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THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
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AT 800 PM PDT...0300 UTC...THE CENTER OF TROPICAL STORM ALVIN WAS
LOCATED NEAR LATITUDE 9.0 NORTH...LONGITUDE 105.9 WEST. ALVIN IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 12 MPH...19 KM/H...AND THIS
MOTION WITH A GRADUAL DECREASE IN FORWARD SPEED IS EXPECTED DURING
THE NEXT COUPLE OF DAYS.
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 45 MPH...75
KM/H...WITH HIGHER GUSTS. ADDITIONAL STRENGTHENING IS FORECAST
DURING THE NEXT 48 HOURS...AND ALVIN IS EXPECTED TO BECOME A
HURRICANE BY FRIDAY.
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM
FROM THE CENTER.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1004 MB...29.65 INCHES.
HAZARDS AFFECTING LAND
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NONE
NEXT ADVISORY
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NEXT COMPLETE ADVISORY...200 AM PDT.
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FORECASTER KIMBERLAIN
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