000
WTPZ32 KNHC 181444
TCPEP2
 
BULLETIN
HURRICANE GREG ADVISORY NUMBER   8
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP072011
800 AM PDT THU AUG 18 2011
 
...GREG CONTINUING TO STRENGTHEN AS THE CENTER PASSES SOUTH OF
SOCORRO ISLAND...
 
 
SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...18.5N 111.5W
ABOUT 320 MI...515 KM SSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 18 MPH...30 KM/H
MINIMUM CENTRAL PRESSURE...980 MB...28.94 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 GREG WAS LOCATED
NEAR LATITUDE 18.5 NORTH...LONGITUDE 111.5 WEST. GREG IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 18 MPH...30 KM/H.  A TURN TOWARD THE
WEST WITH A DECREASE IN FORWARD SPEED IS FORECAST DURING THE NEXT
COUPLE OF DAYS.
 
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 85 MPH...140 KM/H...
WITH HIGHER GUSTS.  GREG IS A CATEGORY ONE HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE.  SOME ADDITIONAL STRENGTHENING
IS POSSIBLE TODAY...WITH A WEAKENING TREND FORECAST TO BEGIN ON
FRIDAY.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO
85 MILES...140 KM.  THE MEXICAN AUTOMATED STATION ON SOCORRO ISLAND
RECENTLY REPORTED SUSTAINED WINDS OF 38 MPH...61 KM/H...AND A WIND
GUST OF 53 MPH...86 KM/H.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 980 MB...28.94 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
NONE.
 
 
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...200 PM PDT.
 
$$
FORECASTER BEVEN