000
WTPZ33 KNHC 241439
TCPEP3
 
BULLETIN
HURRICANE MIRIAM ADVISORY NUMBER  11
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP132012
800 AM PDT MON SEP 24 2012
 
...MIRIAM BECOMES A MAJOR HURRICANE...
 
 
SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...17.7N 112.9W
ABOUT 410 MI...655 KM SSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H
PRESENT MOVEMENT...NW OR 305 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...958 MB...28.29 INCHES
 
 
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 800 AM PDT...1500 UTC...THE EYE OF HURRICANE MIRIAM WAS LOCATED
NEAR LATITUDE 17.7 NORTH...LONGITUDE 112.9 WEST.  MIRIAM IS MOVING
TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/H.  THIS GENERAL MOTION
WITH A DECREASE IN FORWARD SPEED IS EXPECTED DURING THE NEXT 24
HOURS...FOLLOWED BY A TURN TOWARD THE NORTH-NORTHWEST AND NORTH
LATE TUESDAY AND WEDNESDAY.
 
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 120 MPH...195
KM/H...WITH HIGHER GUSTS.  MIRIAM IS A CATEGORY THREE HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE.  SOME ADDITIONAL
STRENGTHENING IS POSSIBLE TODAY...BUT A GRADUAL WEAKENING IS
FORECAST TO BEGIN ON TUESDAY.
 
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 115
MILES...185 KM.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 958 MB...28.29 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY MIRIAM WILL AFFECT THE SOUTH AND WEST
COASTS OF THE SOUTHERN BAJA PENINSULA DURING THE NEXT COUPLE OF
DAYS.  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...200 PM PDT.
 
$$
FORECASTER KIMBERLAIN