WTPN33 PGTW 250900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL DEPRESSION 19W (ATSANI) WARNING NR 012// RMKS/ 1. TROPICAL DEPRESSION 19W (ATSANI) WARNING NR 012 03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 250600Z --- NEAR 20.6N 137.3E MOVEMENT PAST SIX HOURS - 330 DEGREES AT 16 KTS POSITION ACCURATE TO WITHIN 050 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER REPEAT POSIT: 20.6N 137.3E --- FORECASTS: 12 HRS, VALID AT: 251800Z --- 22.4N 136.0E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 250900Z POSITION NEAR 21.0N 137.0E. 25AUG26. TROPICAL DEPRESSION 19W (ATSANI), LOCATED APPROXIMATELY 335 NM SOUTHWEST OF IWO TO, HAS TRACKED NORTH-NORTHWESTWARD AT 16 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICS A HEAVILY SHEARED AND ASYMMETRIC SYSTEM WITH A FULLY EXPOSED LOW-LEVEL CIRCULATION CENTER (LLCC). FRAGILE AND SHORT-LIVED CONVECTIVE FLARE-UPS CAN BE SEEN TO THE WEST, HOWEVER, PERSISTENT DRY AIR ENTRAINMENT AND HIGH (25-30 KTS) NORTHEASTERLY VERTICAL WIND SHEAR (VWS) ARE DRIVING THE TERMINAL DECAY OF TROPICAL DEPRESSION (TD) 19W. 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 250600Z IS 1006 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 250600Z IS 12 FEET. REFER TO TYPHOON 17W (SAUDEL) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES. REFER TO TROPICAL STORM 18W (NARRA) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.// NNNN