WTPN31 PGTW 030900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 12W (KROSA) WARNING NR 043// RMKS/ 1. TROPICAL STORM 12W (KROSA) WARNING NR 043 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 030600Z --- NEAR 40.5N 154.5E MOVEMENT PAST SIX HOURS - 075 DEGREES AT 25 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 000 NM NORTHEAST QUADRANT 045 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT REPEAT POSIT: 40.5N 154.5E --- FORECASTS: 12 HRS, VALID AT: 031800Z --- 42.0N 160.8E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 030 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 070 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 075 DEG/ 22 KTS --- 24 HRS, VALID AT: 040600Z --- 43.0N 166.6E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 075 DEG/ 21 KTS --- 36 HRS, VALID AT: 041800Z --- 43.8N 172.4E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 110 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT --- REMARKS: 030900Z POSITION NEAR 40.9N 156.1E. 03AUG25. TROPICAL STORM 12W (KROSA), LOCATED APPROXIMATELY 607 NM EAST OF MISAWA, JAPAN, HAS TRACKED EAST-NORTHEASTWARD AT 25 KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 030600Z IS 978 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 030600Z IS 20 FEET. NEXT WARNINGS AT 031500Z, 032100Z, 040300Z AND 040900Z. REFER TO TROPICAL STORM 13W (BAILU) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES. // NNNN