WTPN31 PGTW 020300 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 12W (KROSA) WARNING NR 038// RMKS/ 1. TROPICAL STORM 12W (KROSA) WARNING NR 038 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 020000Z --- NEAR 36.4N 142.6E MOVEMENT PAST SIX HOURS - 030 DEGREES AT 14 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 090 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT REPEAT POSIT: 36.4N 142.6E --- FORECASTS: 12 HRS, VALID AT: 021200Z --- 38.0N 145.6E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 065 DEG/ 21 KTS --- 24 HRS, VALID AT: 030000Z --- 39.7N 150.5E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 010 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 070 DEG/ 22 KTS --- 36 HRS, VALID AT: 031200Z --- 41.0N 156.1E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 100 NM SOUTHEAST QUADRANT 100 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 070 DEG/ 21 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 040000Z --- 42.2N 161.5E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 075 DEG/ 19 KTS --- 72 HRS, VALID AT: 050000Z --- 43.5N 171.5E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL --- REMARKS: 020300Z POSITION NEAR 36.8N 143.4E. 02AUG25. TROPICAL STORM 12W (KROSA), LOCATED APPROXIMATELY 115 NM EAST-NORTHEAST OF NARITA AIRPORT, HAS TRACKED NORTH-NORTHEASTWARD AT 14 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 020000Z IS 972 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 020000Z IS 26 FEET. NEXT WARNINGS AT 020900Z, 021500Z, 022100Z AND 030300Z. REFER TO TROPICAL DEPRESSION 13W (THIRTEEN) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES. // NNNN