SUBJ: TROPICAL STORM 21W (NEPARTAK) WARNING NR 020 WTPN31 PGTW 130900 1. TROPICAL STORM 21W (NEPARTAK) WARNING NR 020 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 130600Z --- NEAR 30.7N 153.1E MOVEMENT PAST SIX HOURS - 045 DEGREES AT 29 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT REPEAT POSIT: 30.7N 153.1E --- FORECASTS: 12 HRS, VALID AT: 131800Z --- 33.9N 158.0E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL VECTOR TO 24 HR POSIT: 050 DEG/ 32 KTS --- 24 HRS, VALID AT: 140600Z --- 37.7N 164.2E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL --- REMARKS: 130900Z POSITION NEAR 31.5N 154.3E. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WARNING CENTER (NAVMARFCSTCEN). THE SYSTEM WILL BE CLOSELY MONI- TORED FOR SIGNS OF REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 130600Z IS 12 FEET. REFER TO TROPICAL STORM 19W (PARMA) WARNINGS (WTPN33 PGTW) FOR SIX-HOURLY UPDATES. // BT #0001 NNNN