WTPN32 PGTW 011500 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL DEPRESSION 11W (SHANSHAN) WARNING NR 042// RMKS/ 1. TROPICAL DEPRESSION 11W (SHANSHAN) WARNING NR 042 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 011200Z --- NEAR 34.9N 136.6E MOVEMENT PAST SIX HOURS - 345 DEGREES AT 11 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND RADAR PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND REPEAT POSIT: 34.9N 136.6E --- FORECASTS: 12 HRS, VALID AT: 020000Z --- 36.7N 138.1E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 24 HR POSIT: 045 DEG/ 14 KTS --- 24 HRS, VALID AT: 021200Z --- 38.8N 140.6E MAX SUSTAINED WINDS - 015 KT, GUSTS 025 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 011500Z POSITION NEAR 35.3N 137.0E. 01SEP24. TROPICAL DEPRESSION 11W (SHANSHAN), LOCATED APPROXIMATELY 154 NM WEST OF YOKOSUKA, JAPAN, HAS TRACKED NORTH-NORTHWESTWARD AT 11 KNOTS OVER THE PAST SIX HOURS. ANIMATED SHORTWAVE INFRARED SATELLITE IMAGERY INDICATES THAT THE SHALLOW, WEAK SYSTEM MADE LANDFALL AT ABOUT 010900Z AND HAS TRACKED INLAND OVER THE PAST FEW HOURS. SURFACE OBSERVATIONS REVEAL WINDS LESS THAN 20 KNOTS SUPPORTING THE INITIAL INTENSITY ASSESSMENT. THE REMNANTS OF 11W ARE EXPECTED TO TRACK NORTHEASTWARD OVER THE JAPAN ALPS OVER THE NEXT 24 HOURS WITH SIGNIFICANT WEAKENING. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MINIMUM CENTRAL PRESSURE AT 011200Z IS 1001 MB. REFER TO TROPICAL DEPRESSION 12W (TWELVE) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES.// NNNN