000 WTPZ43 KNHC 161436 TCDEP3 TROPICAL DEPRESSION HECTOR DISCUSSION NUMBER 21 NWS NATIONAL HURRICANE CENTER MIAMI FL EP082012 800 AM PDT THU AUG 16 2012 SPIRAL BANDING ON THE WESTERN AND SOUTHERN PORTIONS OF HECTOR HAS PERSISTED DURING THE PAST 6 HOURS...AND A BLEND OF A 0402 UTC AMSU INTENSITY ESTIMATE AND THE TAFB SATELLITE CLASSIFICATION SUPPORTS MAINTAINING AN INITIAL INTENSITY OF 25 KT. HECTOR SHOULD DECAY TO A REMNANT LOW DURING THE NEXT 24 HOURS...OR POSSIBLY EARLIER...AS IT TRAVERSES COOLER SEA SURFACE TEMPERATURES AND REMAINS IN A MODERATE EASTERLY WIND SHEAR ENVIRONMENT. THE INITIAL MOTION IS ESTIMATED TO BE 335/4 KT. A GENERAL NORTH-NORTHWESTWARD TRACK IS LIKELY OVER THE NEXT FEW DAYS AS THE CYCLONE MOVES WITHIN THE LOW-LEVEL SOUTHERLY FLOW GENERATED BY HIGH PRESSURE TO THE EAST. THE NHC FORECAST IS SIMILAR TO THE PREVIOUS ADVISORY AND IS BASED ON THE TVCE MODEL CONSENSUS. FORECAST POSITIONS AND MAX WINDS INIT 16/1500Z 19.7N 115.9W 25 KT 30 MPH 12H 17/0000Z 20.1N 116.3W 25 KT 30 MPH 24H 17/1200Z 21.0N 116.7W 25 KT 30 MPH...POST-TROP/REMNT LOW 36H 18/0000Z 21.8N 117.1W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 18/1200Z 22.3N 117.3W 20 KT 25 MPH...POST-TROP/REMNT LOW 72H 19/1200Z...DISSIPATED $$ FORECASTER ROBERTS