WWPS20 KNES 200309 A. TROPICAL DISTURBANCE (97P) B. 20/0230Z C. 29.2S D. 160.2E E. ONE/MTSAT F. ST2.5 G. IR/EIR/VIS/AMSU H. REMARKS...THE SUBTROPICAL SYSTEM IS CLASSIFIED AS AN ST2.5. THIS IS VERIFIED THROUGH USING THE HERBERT-POTEAT TECHNIQUE WITH THE MAIN CONVECTION POLEWARD FROM THE CENTER. I. ADDL POSITIONS 19/2234Z 29.8S 159.9E AMSU ...EVANS