WTPN31 PGTW 070900 2004251 0825 NAVOCEANO STENNIS SPACE CENTER MS//N16// MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL STORM 23W (SARIKA) WARNING NR 011 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 070600Z3 --- NEAR 23.0N5 137.9E0 MOVEMENT PAST SIX HOURS - 330 DEGREES AT 14 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 080 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT REPEAT POSIT: 23.0N5 137.9E0 --- FORECASTS: 12 HRS, VALID AT: 071800Z6 --- 25.0N7 136.8E8 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 055 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 055 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 325 DEG/ 11 KTS --- 24 HRS, VALID AT: 080600Z4 --- 26.9N7 135.4E3 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT VECTOR TO 36 HR POSIT: 335 DEG/ 12 KTS --- 36 HRS, VALID AT: 081800Z7 --- 29.1N2 134.3E1 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 48 HR POSIT: 345 DEG/ 10 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 090600Z5 --- 31.1N5 133.7E4 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 72 HR POSIT: 360 DEG/ 12 KTS --- 72 HRS, VALID AT: 100600Z7 --- 35.9N7 133.6E3 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT VECTOR TO 96 HR POSIT: 015 DEG/ 16 KTS --- LONG RANGE OUTLOOK: NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 250 NM ON DAY 4 AND 350 NM ON DAY 5... AND FOR INTENSITY NEAR 20 KT EACH DAY. --- 96 HRS, VALID AT: 110600Z8 --- 41.9N4 135.9E8 MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT BECOMING EXTRATROPICAL --- REMARKS: 070900Z6 POSITION NEAR 23.5N0 137.6E7. TROPICAL STORM (TS) 23W (SARIKA), LOCATED APPROXIMATELY 740 NM SOUTH OF TOKYO, JAPAN, HAS TRACKED NORTH-NORTHWESTWARD AT 14 KNOTS OVER THE PAST 06 HOURS. THE WARNING POSITION IS BASED ON 070530Z5 MULTISPECTRAL SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 45 KNOTS. RECENT VISIBLE SATELLITE IMAGERY INDICATES THAT THE LOW-LEVEL CIRCULATION CENTER IS SEPARATED FROM THE DEEP CONVECTION BY APPROXIMATELY 90 NM. STRONG VERTICAL WIND SHEAR, A TROPICAL UPPER TROPOSPHERIC TROUGH (TUTT) CELL TO THE EAST, AND COOLER THAN NORMAL SEA SURFACE TEMPERATURES ARE CONTRIBUTING TO THE WEAKENING OF TS 23W. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 070600Z IS 18 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 071500Z3, 072100Z0, 080300Z1 AND 080900Z7. REFER TO TYPHOON 22W (SONGDA) WARNINGS (WTPN33 PGTW) FOR SIX-HOURLY UPDATES.// wxtlist.k: done