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Hurricane MIRIAM Public Advisory Number 15

Issued at 800 AM PDT TUE SEP 25 2012

000
WTPZ33 KNHC 251452
TCPEP3
 
BULLETIN
HURRICANE MIRIAM ADVISORY NUMBER  15
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP132012
800 AM PDT TUE SEP 25 2012
 
...MIRIAM PASSING NORTH OF CLARION ISLAND...
...EXPECTED TO TURN NORTHWEST SOON AND CONTINUE SLOWLY WEAKENING...
 
 
SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...18.7N 114.5W
ABOUT 415 MI...670 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...100 MPH...160 KM/H
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 5 MPH...7 KM/H
MINIMUM CENTRAL PRESSURE...969 MB...28.61 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 CENTER OF HURRICANE MIRIAM WAS
LOCATED NEAR LATITUDE 18.7 NORTH...LONGITUDE 114.5 WEST.  MIRIAM IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 5 MPH...7 KM/H.  A TURN TOWARD
THE NORTHWEST IS EXPECTED LATER TODAY...FOLLOWED BY A TURN TOWARD
THE NORTH-NORTHWEST ON WEDNESDAY.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 100 MPH...160 KM/H...WITH HIGHER
GUSTS.  MIRIAM IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE.  GRADUAL WEAKENING IS FORECAST DURING THE
NEXT 48 HOURS.
 
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 115
MILES...185 KM.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 969 MB...28.61 INCHES. AN
AUTOMATED OBSERVING SITE ON CLARION ISLAND RECENTLY REPORTED A
PRESSURE OF 976.8 MB...28.84 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY MIRIAM WILL AFFECT THE SOUTH AND WEST
COASTS OF THE SOUTHERN AND CENTRAL 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
 

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