WTPQ33 RJTD 100600 RSMC TROPICAL CYCLONE PROGNOSTIC REASONING REASONING NO. 2 FOR TD LOCATED AT 10.3N 144.3E 1.GENERAL COMMENTS A TD IS LOCATED AT 10.3N, 144.3E. INFORMATION ON THE CURRENT POSITION IS BASED ON ANIMATED MSI AND SURFACE OBSERVATIONS. POSITIONAL ACCURACY IS POOR BECAUSE THE CSC IS OBSCURE. CENTRAL PRESSURE IS 1006HPA AND MAXIMUM SUSTAINED WINDS NEAR THE CENTER ARE 30KNOTS. THE SYSTEM IS IN A FAVORABLE ENVIRONMENT FOR DEVELOPMENT UNDER THE INFLUENCE OF HIGH SSTS AND HIGH TCHP. HOWEVER, THE LIMITED FIRMNESS OF ITS STRUCTURE HAS CAUSED IT TO MAINTAIN ITS INTENSITY OVER THE LAST SIX HOURS. INFORMATION ON THE CURRENT INTENSITY IS BASED ON DVORAK INTENSITY ANALYSES AND SURFACE OBSERVATIONS. 2.SYNOPTIC SITUATION THE SYSTEM IS MOVING WEST-NORTHWESTWARD ALONG THE SOUTHWESTERN PERIPHERY OF A MID-LEVEL SUB-TROPICAL HIGH. ANIMATED MSI SHOWS CB CLUSTERS GATHERING AROUND THE CSC. ANIMATED MSI SHOWS GOOD CLOUD CHARACTERISTICS OF ANTICYCLONIC OUTFLOW. WATER VAPOR IMAGERY SHOWS DRY AIR IN THE DIRECTION OF THE MOVEMENT. NOAA-19/MHS 85 GHZ MICROWAVE IMAGERY SHOWS THE SYSTEM HAS ACTIVE CONVECTIVE CLOUD CLUSTERS AROUND THE CSC. 3.TRACK FORECAST THE SYSTEM WILL MOVE WEST-NORTHWESTWARD ALONG THE PERIPHERY OF A MID-LEVEL SUB-TROPICAL HIGH UNTIL FT120. THE TRACK FORECAST IS BASED ON GSM PREDICTIONS, AND REFERENCE TO OTHER NWP MODELS. TRACK FORECAST CONFIDENCE IS LOW DUE TO SIGNIFICANT DIFFERENCES AMONG NWP MODEL OUTPUTS. 4.INTENSITY FORECAST THE SYSTEM WILL DEVELOP UNTIL FT96 DUE TO THE INFLUENCE OF INTERACTION WITH HIGH SSTS AND HIGH TCHP. THE SYSTEM WILL THEN WEAKEN UNTIL FT120 DUE TO THE INFLUENCE OF LAND. THE SYSTEM WILL BE UPGRADED TO TS INTENSITY BY FT24. THE INTENSITY FORECAST IS BASED ON A CONSENSUS OF GUIDANCE DATA INCLUDING GSM. =