MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 07W (MEKKHALA) WARNING NR 004// RMKS/ 1. TROPICAL STORM 07W (MEKKHALA) WARNING NR 004 03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 100600Z --- NEAR 20.2N 118.7E MOVEMENT PAST SIX HOURS - 005 DEGREES AT 10 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 20.2N 118.7E --- FORECASTS: 12 HRS, VALID AT: 101800Z --- 22.7N 118.6E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 000 DEG/ 12 KTS --- 24 HRS, VALID AT: 110600Z --- 25.1N 118.7E 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 - 060 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 005 DEG/ 14 KTS --- 36 HRS, VALID AT: 111800Z --- 27.8N 119.1E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 48 HR POSIT: 010 DEG/ 12 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 120600Z --- 30.1N 119.5E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 100900Z POSITION NEAR 20.8N 118.7E. 10AUG20. TROPICAL STORM 07W (MEKKHALA), LOCATED APPROXIMATELY 332 NM SOUTH-SOUTHWEST OF TAIPEI, TAIWAN, HAS TRACKED NORTHWARD AT 10 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 100600Z IS 16 FEET. NEXT WARNINGS AT 101500Z, 102100Z, 110300Z AND 110900Z. REFER TO TROPICAL STORM 05W (JANGMI) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES. REFER TO TROPICAL STORM 06W (SIX) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES. // NNNN NNNN