Como comenta el NHC, rápida intensificación. GREG sube a 55 Kts - 994 mb. Al paso que va, veremos si mañana no nos despertamos con un Cat.1
000WTPZ42 KNHC 180838TCDEP2HURRICANE GREG DISCUSSION NUMBER 7NWS NATIONAL HURRICANE CENTER MIAMI FL EP072011200 AM PDT THU AUG 18 2011GREG HAS STRENGTHENED A LITTLE MORE SINCE THE LAST ADVISORY. THECENTRAL DENSE OVERCAST HAS EXPANDED WITH AN INTERMITTENT WARM SPOTEVIDENT IN INFRARED SATELLITE IMAGES. A TRMM PASS AT 0436 UTCSHOWED A WELL-DEFINED EYE IN THE MID-LEVELS BUT THIS FEATURE WASOBSCURED IN THE 37 GHZ CHANNEL. THE INITIAL WIND SPEED ISINCREASED TO 70 KT...IN AGREEMENT WITH DVORAK CLASSIFICATIONS FROMTAFB AND SAB. SOME ADDITIONAL STRENGTHENING IS LIKELY DURING THENEXT 12 TO 24 HOURS AS GREG REMAINS OVER WATERS WARMER THAN 26C ANDIN A LIGHT TO MODERATE WIND SHEAR ENVIRONMENT. BEYOND 24 HOURS...THE HURRICANE WILL TRACK OVER COOL WATERS AND INTO A MORE STABLEATMOSPHERE. THESE FACTORS SHOULD CAUSE STEADY WEAKENING...AND GREGIS FORECAST TO BECOME A POST-TROPICAL REMNANT LOW OVER 23C WATERSBY THE END OF THE FORECAST PERIOD.GREG CONTINUES TO RACE WEST-NORTHWESTWARD AT 18 KT DIRECTLY TO THESOUTH OF A MID-LEVEL HIGH OVER THE SOUTHWESTERN UNITED STATES.GLOBAL MODELS SHOW THIS RIDGE WEAKENING DURING THE NEXT COUPLE OFDAYS AS A TROUGH MOVES OVER THE WESTERN UNITED STATES. THISPATTERN WILL CAUSE GREG TO SLOW DOWN BUT REMAIN ON A GENERALWESTWARD COURSE FOR THE NEXT SEVERAL DAYS. OVERALL THE TRACKGUIDANCE HAS CHANGED LITTLE FROM THE PREVIOUS CYCLE...AND THEOFFICIAL FORECAST IS ESSENTIALLY AN UPDATE OF THE PREVIOUS ONE.FORECAST POSITIONS AND MAX WINDSINIT 18/0900Z 18.0N 109.9W 70 KT 80 MPH 12H 18/1800Z 18.4N 112.2W 80 KT 90 MPH 24H 19/0600Z 18.8N 114.8W 85 KT 100 MPH 36H 19/1800Z 19.0N 116.9W 70 KT 80 MPH 48H 20/0600Z 19.0N 118.7W 60 KT 70 MPH 72H 21/0600Z 19.0N 121.6W 45 KT 50 MPH 96H 22/0600Z 19.0N 124.0W 30 KT 35 MPH120H 23/0600Z 19.0N 125.5W 25 KT 30 MPH...POST-TROP/REMNT LOW$$FORECASTER CANGIALOSI
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