997 WTPN31 PGTW 071500 MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL DEPRESSION 25W (TWENTYFIVE) WARNING NR 003 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 071200Z --- NEAR 21.0N 155.5E MOVEMENT PAST SIX HOURS - 360 DEGREES AT 01 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 21.0N 155.5E --- FORECASTS: 12 HRS, VALID AT: 080000Z --- 21.3N 155.5E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 24 HR POSIT: 025 DEG/ 02 KTS --- 24 HRS, VALID AT: 081200Z --- 21.7N 155.7E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 36 HR POSIT: 055 DEG/ 03 KTS --- 36 HRS, VALID AT: 090000Z --- 22.1N 156.3E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 48 HR POSIT: 055 DEG/ 12 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 091200Z --- 23.4N 158.4E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 72 HR POSIT: 040 DEG/ 15 KTS --- 72 HRS, VALID AT: 101200Z --- 27.7N 162.8E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 071500Z POSITION NEAR 21.1N 155.5E. TROPICAL DEPRESSION 25W (TWENTYFIVE), LOCATED APPROXIMATELY 630 NM WEST OF WAKE ISLAND HAS REMAINED QUASI-STATIONARY OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 071200Z IS 11 FEET. NEXT WARNINGS AT 072100Z, 080300Z, 080900Z AND 081500Z.// 052 WTPN31 PGTW 072100 MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL STORM 25W (TWENTYFIVE) WARNING NR 004 UPGRADED FROM TROPICAL DEPRESSION 25W 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 071800Z --- NEAR 20.6N 156.6E MOVEMENT PAST SIX HOURS - 100 DEGREES AT 06 KTS POSITION ACCURATE TO WITHIN 060 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 REPEAT POSIT: 20.6N 156.6E --- FORECASTS: 12 HRS, VALID AT: 080600Z --- 20.9N 157.4E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 025 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 060 DEG/ 05 KTS --- 24 HRS, VALID AT: 081800Z --- 21.4N 158.4E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 025 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 025 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 045 DEG/ 06 KTS --- 36 HRS, VALID AT: 090600Z --- 22.3N 159.4E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 48 HR POSIT: 035 DEG/ 11 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 091800Z --- 24.0N 160.8E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 72 HR POSIT: 045 DEG/ 19 KTS --- 72 HRS, VALID AT: 101800Z --- 29.3N 166.6E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 072100Z POSITION NEAR 20.7N 156.8E. TROPICAL STORM (TS) 25W (TWENTYFIVE), LOCATED APPROXIMATELY 570 NM WEST OF WAKE ISLAND, HAS TRACKED EASTWARD AT 06 KNOTS OVER THE PAST SIX HOURS. ANIMATED INFRARED IMAGERY SHOWS THE SYSTEM HAS GENERATED DEEP, CENTRAL CONVECTION THAT IS STARTING TO WRAP INTO A PARTIALLY EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC). A 071528Z AMSU MICROWAVE IMAGE CAPTURES THE WRAPPING CONVECTION BUT ALSO INDICATES THE PRESENCE OF DRY AIR TO THE SOUTHWEST OF THE SYSTEM CENTER THAT MAY ENTRAIN AND IMPACT THE SYSTEM'S STRUCTURE IN THE COMING DAY OR TWO. IN THE UPPER LEVELS, ANIMATED WATER VAPOR IMAGERY INDICATES THE SYSTEM STILL HAS GOOD POLEWARD OUTFLOW, THOUGH IT HAS WANED SLIGHTLY OVER THE PAST 12 HOURS AS THE UPPER-LEVEL RIDGE LOCATED EAST OF THE SYSTEM HAS BUILT POLEWARD. TS 25W ALSO SITS IN AN AREA OF MODERATE VERTICAL WIND SHEAR (2O TO 30 KNOTS). THE SYSTEM IS EXPECTED TO TRACK SLOWLY NORTHEASTWARD ALONG THE WESTERN EDGE OF THE MID-LEVEL RIDGE AND INTENSIFY OVER THE NEXT 12 HOURS. THEREAFTER, TS 25W SHOULD GRADUALLY PULL OUT TO THE NORTHEAST AND DISSIPATE BY TAU 72 AS IT TRACKS OVER UNFAVORABLE SEA SURFACE TEMPERATURES AND UNDER HOSTILE VERTICAL WIND SHEAR ASSOCIATED WITH THE MID-LATITUDE WESTERLIES. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 071800Z IS 11 FEET. NEXT WARNINGS AT 080300Z, 080900Z, 081500Z AND 082100Z.// 857 WTPN31 PGTW 080300 MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL STORM 25W (TWENTYFIVE) WARNING NR 005 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 080000Z --- NEAR 21.0N 157.4E MOVEMENT PAST SIX HOURS - 060 DEGREES AT 08 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 RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT REPEAT POSIT: 21.0N 157.4E --- FORECASTS: 12 HRS, VALID AT: 081200Z --- 21.6N 158.2E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 045 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 045 DEG/ 06 KTS --- 24 HRS, VALID AT: 090000Z --- 22.4N 159.1E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT 035 NM SOUTHEAST QUADRANT 035 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 040 DEG/ 12 KTS --- 36 HRS, VALID AT: 091200Z --- 24.1N 160.8E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY VECTOR TO 48 HR POSIT: 040 DEG/ 17 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 100000Z --- 26.7N 163.2E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 72 HR POSIT: 040 DEG/ 25 KTS --- 72 HRS, VALID AT: 110000Z --- 34.2N 170.6E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 080300Z POSITION NEAR 21.2N 157.6E. TROPICAL STORM (TS) 25W (TWENTYFIVE), LOCATED APPROXIMATELY 530 NM WEST OF WAKE ISLAND, HAS TRACKED EAST-NORTHEASTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 080000Z IS 12 FEET. NEXT WARNINGS AT 080900Z, 081500Z, 082100Z AND 090300Z.//