000
WTPZ31 KNHC 160856
TCPEP1
 
BULLETIN
TROPICAL STORM ALVIN ADVISORY NUMBER   4
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP012013
200 AM PDT THU MAY 16 2013
 
...ALVIN GRADUALLY STRENGTHENING...
 
 
SUMMARY OF 200 AM PDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...9.1N 106.9W
ABOUT 705 MI...1135 KM SSW OF MANZANILLO MEXICO
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES
 
 
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 200 AM PDT...0900 UTC...THE CENTER OF TROPICAL STORM ALVIN WAS
LOCATED NEAR LATITUDE 9.1 NORTH...LONGITUDE 106.9 WEST. ALVIN IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 10 MPH...17 KM/H...AND THIS
MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/H...WITH HIGHER
GUSTS.  STRENGTHENING IS FORECAST AND ALVIN COULD BECOME A HURRICANE
IN THE NEXT DAY OR TWO.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM
FROM THE CENTER.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB...29.62 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
NONE
 
 
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...800 AM PDT.
 
$$
FORECASTER BLAKE