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Hurricane MIRIAM Public Advisory Number 13

Issued at 800 PM PDT MON SEP 24 2012

000
WTPZ33 KNHC 250232
TCPEP3
 
BULLETIN
HURRICANE MIRIAM ADVISORY NUMBER  13
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP132012
800 PM PDT MON SEP 24 2012
 
...MIRIAM BEGINS TO WEAKEN...
 
 
SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...18.5N 113.9W
ABOUT 400 MI...640 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H
PRESENT MOVEMENT...NW OR 305 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...968 MB...28.59 INCHES
 
 
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 800 PM PDT...0300 UTC...THE CENTER OF HURRICANE MIRIAM WAS
LOCATED NEAR LATITUDE 18.5 NORTH...LONGITUDE 113.9 WEST. MIRIAM IS
MOVING TOWARD THE NORTHWEST NEAR 8 MPH...13 KM/H.  A GRADUAL TURN TO
THE NORTH WITH A DECREASE IN FORWARD SPEED IS EXPECTED DURING THE
NEXT COUPLE OF DAYS.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 105 MPH...165
KM/H...WITH HIGHER GUSTS.  MIRIAM IS A CATEGORY TWO HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE.  SLOW WEAKENING IS
EXPECTED 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 125
MILES...205 KM. AN AUTOMATED OBSERVING SITE ON CLARION ISLAND
RECENTLY REPORTED A SUSTAINED WIND OF 48 MPH...78 KM/H...AND A GUST
OF 67 MPH...107 KM/H.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 968 MB...28.59 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 AM PDT.
 
$$
FORECASTER CANGIALOSI
 

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