WTPN31 PGTW 142100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 06W (NARI) WARNING NR 016// RMKS/ 1. TROPICAL STORM 06W (NARI) WARNING NR 016 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC 01 ACTIVE SUBTROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 141800Z --- NEAR 42.5N 143.6E MOVEMENT PAST SIX HOURS - 015 DEGREES AT 29 KTS POSITION ACCURATE TO WITHIN 030 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 BECOMING EXTRATROPICAL RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT REPEAT POSIT: 42.5N 143.6E --- FORECASTS: 12 HRS, VALID AT: 150600Z --- 46.7N 147.8E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 065 DEG/ 30 KTS --- 24 HRS, VALID AT: 151800Z --- 48.7N 156.1E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL --- REMARKS: 142100Z POSITION NEAR 43.6N 144.6E. 14JUL25. TROPICAL STORM 06W (NARI), LOCATED APPROXIMATELY 166 NM NORTHEAST OF MISAWA, JAPAN, HAS TRACKED NORTH-NORTHEASTWARD AT 29 KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED (EIR) SATELLITE IMAGERY DEPICTS 06W WITH AN EXPOSED LOW-LEVEL CIRCULATION CENTER (LLCC) THAT IS PASSING OVER THE EASTERN EXTENT OF HOKKAIDO. THE STRONGEST WINDS REMAIN WITHIN THE SOUTHEASTERN QUADRANT, WHICH IS EXPECTED TO REMAIN THE CASE OVER THE NEXT 24 HOURS. 06W IS FORECAST TO BEGIN TRACKING MORE EAST-NORTHEASTWARD AS INTERACTION WITH THE JET TO THE NORTH INCREASES. EXTRATROPICAL TRANSITION IS FORECAST TO COMPLETE AT TAU 12 AS WESTERLY SHEAR RAPIDLY INCREASES AND SEA SURFACE TEMPERATURES DRASTICALLY DROP (BELOW 18 C). THESE ENVIRONMENTAL FACTORS WILL ALSO AID IN THE WEAKENING OF THE VORTEX OVER THE NEXT 24 HOURS AS THE SYSTEM BECOMES ABSORBED BY THE STRONG UPPER-LEVEL WESTERLY FLOW. NUMERICAL MODEL TRACK GUIDANCE IS IN GOOD AGREEMENT WITH MINIMAL CROSS-TRACK AND ALONG-TRACK SPREAD. INTENSITY GUIDANCE IS ALSO IN GOOD AGREEMENT WITH ALL MODELS DEPICTING STEADY WEAKENING THROUGHOUT THE FORECAST PERIOD. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MINIMUM CENTRAL PRESSURE AT 141800Z IS 993 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 141800Z IS 20 FEET. REFER TO SUBTROPICAL DEPRESSION 07W (SEVEN) FINAL WARNING (WTPN32 PGTW 140300).// NNNN