WTPN31 PGTW 222100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 04W (PRAPIROON) WARNING NR 013// RMKS/ 1. TROPICAL STORM 04W (PRAPIROON) WARNING NR 013 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 221800Z --- NEAR 21.1N 108.0E MOVEMENT PAST SIX HOURS - 335 DEGREES AT 07 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE, RADAR AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 025 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT REPEAT POSIT: 21.1N 108.0E --- FORECASTS: 12 HRS, VALID AT: 230600Z --- 21.6N 107.6E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 310 DEG/ 02 KTS --- 24 HRS, VALID AT: 231800Z --- 21.9N 107.2E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 36 HR POSIT: 290 DEG/ 01 KTS --- 36 HRS, VALID AT: 240600Z --- 22.0N 106.9E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 48 HR POSIT: 240 DEG/ 01 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 241800Z --- 21.9N 106.7E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 222100Z POSITION NEAR 21.2N 107.9E. 22JUL24. TROPICAL STORM 04W (PRAPIROON), LOCATED APPROXIMATELY 118 NM EAST OF HANOI, VIETNAM, HAS TRACKED NORTH-NORTHWESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 221800Z IS 985 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 221800Z IS 23 FEET. NEXT WARNINGS AT 230300Z, 230900Z, 231500Z AND 232100Z. REFER TO TYPHOON 05W (GAEMI) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.// NNNN