000
WTPZ31 KNHC 162040
TCPEP1
 
BULLETIN
TROPICAL STORM ALVIN ADVISORY NUMBER   6
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP012013
200 PM PDT THU MAY 16 2013
 
...ALVIN STRUGGLING...
...MAY NOT SURVIVE AS A TROPICAL CYCLONE FOR MUCH LONGER...
 
 
SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...9.5N 109.1W
ABOUT 730 MI...1175 KM SSW OF MANZANILLO MEXICO
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES
 
 
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 200 PM PDT...2100 UTC...THE CENTER OF TROPICAL STORM ALVIN WAS
LOCATED NEAR LATITUDE 9.5 NORTH...LONGITUDE 109.1 WEST.  ALVIN IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 12 MPH...19 KM/H...AND THIS
GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH SATURDAY.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 45 MPH...75 KM/H...
WITH HIGHER GUSTS.  LITTLE CHANGE IN STRENGTH IS FORECAST DURING
THE NEXT 48 HOURS...BUT ALVIN COULD DEGENERATE INTO A TROUGH OF LOW
PRESSURE AT ANY TIME.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM
FROM THE CENTER.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1005 MB...29.68 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
NONE
 
 
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...800 PM PDT.
 
$$
FORECASTER BERG