ZCZC MIATCDEP4 ALL TTAA00 KNHC DDHHMM HURRICANE DANIEL DISCUSSION NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL EP042012 200 AM PDT SAT JUL 07 2012 HINTS OF AN EYE ARE APPARENT IN THE LAST FEW GEOSTATIONARY SATELLITE IMAGES. THIS EYE FEATURE HAS BEEN EVIDENT IN MICROWAVE DATA SINCE ABOUT 0000 UTC...AND A SSMIS PASS AROUND 0400 UTC INDICATED THAT THE EYE HAS BECOME A LITTLE LESS RAGGED. THE INITIAL WIND SPEED IS INCREASED A LITTLE TO 70 KT...BASED ON A BLEND OF DVORAK CLASSIFICATIONS FROM TAFB AND SAB...AND THE LATEST UW-CIMSS ADT ESTIMATES. DANIEL WILL REMAIN IN A FAVORABLE ENVIRONMENT FOR STRENGTHENING FOR ANOTHER 12 TO 18 HOURS. THEREAFTER...THE CYCLONE WILL BE MOVING OVER COOLER WATERS AND INTO A DRIER AIRMASS. THESE COMBINED FACTORS SHOULD CAUSE STEADY WEAKENING STARTING IN ABOUT 24 HOURS. THE INTENSITY GUIDANCE IS IN REASONABLY GOOD AGREEMENT... AND THE OFFICIAL FORECAST IS SIMILAR TO THE PREVIOUS ONE. DANIEL IS MOVING WESTWARD AT AN ESTIMATED 10 KT. A GENERAL WESTWARD MOTION WITH AN INCREASE IN FORWARD SPEED IS FORECAST FOR THE NEXT FIVE DAYS AS THE CYCLONE REMAINS TO THE SOUTH OF A BUILDING SUBTROPICAL RIDGE. THE LATEST ECMWF TRACK HAS SHIFTED A LITTLE TO THE NORTH...AND THE OFFICIAL FORECAST FOLLOWS THAT TREND AND IS IN GOOD AGREEMENT WITH THE MULTI-MODEL CONSENSUS. THE 34-KT WIND RADII OVER THE EASTERN SEMICIRCLE WERE MODIFIED SLIGHTLY BASED ON AN ASCAT PASS AROUND 0430 UTC. FORECAST POSITIONS AND MAX WINDS INIT 07/0900Z 14.6N 118.1W 70 KT 80 MPH 12H 07/1800Z 14.8N 119.7W 75 KT 85 MPH 24H 08/0600Z 15.1N 122.0W 70 KT 80 MPH 36H 08/1800Z 15.4N 124.4W 60 KT 70 MPH 48H 09/0600Z 15.7N 127.1W 50 KT 60 MPH 72H 10/0600Z 16.2N 133.1W 35 KT 40 MPH 96H 11/0600Z 16.3N 139.5W 30 KT 35 MPH 120H 12/0600Z 16.5N 146.0W 25 KT 30 MPH...POST-TROP/REMNT LOW $$ FORECASTER CANGIALOSI NNNN
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Page last modified: Monday, 31-Dec-2012 12:10:15 UTC