000
WTPZ34 KNHC 221143
TCPEP4
 
BULLETIN
HURRICANE DORA INTERMEDIATE ADVISORY NUMBER  16A
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP042011
500 AM PDT FRI JUL 22 2011
 
...DORA NOW A CATEGORY ONE HURRICANE...
 
 
SUMMARY OF 500 AM PDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...19.2N 109.2W
ABOUT 255 MI...415 KM S OF CABO SAN LUCAS MEXICO
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
PRESENT MOVEMENT...NW OR 315 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...977 MB...28.85 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
 
NONE.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* MEXICO FROM AGUA BLANCA TO BUENAVISTA INCLUDING CABO SAN LUCAS
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24
HOURS.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 AM PDT...1200 UTC...THE CENTER OF HURRICANE DORA WAS LOCATED
NEAR LATITUDE 19.2 NORTH...LONGITUDE 109.2 WEST. DORA IS MOVING
TOWARD THE NORTHWEST NEAR 9 MPH...15 KM/H...AND THIS MOTION IS
EXPECTED TO CONTINUE FOR THE NEXT TWO DAYS.  ON THE FORECAST TRACK
DORA IS EXPECTED TO PASS SOUTH OF BAJA CALIFORNIA.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 90 MPH...150 KM/H...
WITH HIGHER GUSTS.  DORA IS NOW A CATEGORY ONE HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE.  CONTINUED WEAKENING IS
FORECAST DURING THE NEXT 48 HOURS...AND DORA COULD BECOME A
TROPICAL STORM BY TONIGHT.
 
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 105
MILES...165 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 977 MB...28.85 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL-STORM-FORCE WINDS ARE POSSIBLE OVER PORTIONS OF THE
WARNING AREA BY TONIGHT.
 
SURF...LARGE SWELLS GENERATED BY DORA WILL AFFECT THE COAST OF
SOUTHWESTERN MEXICO AND BAJA CALIFORNIA DURING THE NEXT COUPLE OF
DAYS.  THESE SWELLS WILL LIKELY CAUSE LIFE-THREATENING SURF
AND RIP CURRENT CONDITIONS.
 
 
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...800 AM PDT.
 
$$
FORECASTER BLAKE/BEVEN