WWPN20 KNES 311520 A. TROPICAL DISTURBANCE (92W) B. 31/1457Z C. 39.0N D. 145.4E E. FIVE/MTSAT F. T1.5/1.5/D1.0/24HRS G. IR/EIR/MSI H. REMARKS...WATER VAPOR IMAGERY SHOWS SYSTEM BEING SHREDDED BY AN UPPER LOW TO THE WEST AND A TROUGH TO THE EAST.