WTPN52 PGTW 242100 WARNING ATCP MIL 13W NWP 100924200110 2010092418 13W MALAKAS 019 01 020 28 SATL AIRC 060 T000 312N 1427E 080 R064 030 NE QD 030 SE QD 025 SW QD 030 NW QD R050 075 NE QD 075 SE QD 055 SW QD 065 NW QD R034 150 NE QD 150 SE QD 130 SW QD 140 NW QD T012 365N 1459E 070 R064 020 NE QD 020 SE QD 020 SW QD 020 NW QD R050 075 NE QD 060 SE QD 045 SW QD 065 NW QD R034 175 NE QD 130 SE QD 110 SW QD 160 NW QD T024 416N 1505E 060 AMP 000HR BECOMING EXTRATROPICAL 012HR BECOMING EXTRATROPICAL 024HR EXTRATROPICAL SUBJ: TYPHOON 13W (MALAKAS) WARNING NR 019 1. TYPHOON 13W (MALAKAS) WARNING NR 019 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 241800Z --- NEAR 31.2N 142.7E MOVEMENT PAST SIX HOURS - 020 DEGREES AT 28 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON EYE FIXED BY A COMBINATION OF SATELLITE AND AIRCRAFT PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 075 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT 150 NM SOUTHEAST QUADRANT 130 NM SOUTHWEST QUADRANT 140 NM NORTHWEST QUADRANT REPEAT POSIT: 31.2N 142.7E --- FORECASTS: 12 HRS, VALID AT: 250600Z --- 36.5N 145.9E MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 050 KT WINDS - 075 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 045 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 175 NM NORTHEAST QUADRANT 130 NM SOUTHEAST QUADRANT 110 NM SOUTHWEST QUADRANT 160 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 035 DEG/ 31 KTS --- 24 HRS, VALID AT: 251800Z --- 41.6N 150.5E MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL --- REMARKS: 242100Z POSITION NEAR 32.5N 143.5E. TYPHOON (TY) 13W (MALAKAS), LOCATED APPROXIMATELY 305 NM SOUTH-SOUTHEAST OF TOKYO, JAPAN, HAS TRACKED NORTH- NORTHEASTWARD AT 28 KNOTS OVER THE PAST SIX HOURS. EXTRA- TROPICAL TRANSITION (ETT) IS NOW WELL UNDERWAY IN THE UPPER LEVELS, WHILE THE LOW LEVELS MAINTAIN CORE CONVECTION AND A CLEARLY DISCERNABLE 30 NM EYE. AN UPPER AIR SOUNDING FROM CHICHI JIMA, JAPAN, REVEALS THAT STRONG SOUTHWESTERLIES IN THE STORM'S SOUTHERN QUADRANT EXTEND THROUGHOUT THE TROPOSPHERE WHILE WATER VAPOR IMAGERY SHOWS THE UPPER LEVEL CLOUD SHIELD COUPLING WITH A VIGOROUS JET STREAM TO THE NORTH OF THE STORM. TYPHOON 13W IS EXPECTED TO MAINTAIN VIGOROUS CONVECTION AND WINDS ABOVE TYPHOON STRENGTH OVER THE NEXT 12 HOURS DUE TO GOOD ORGANIZATION AT THE BOUNDARY LEVEL AND WARM SEA SURFACE TEMPERATURES ALONG ITS TRACK. AS TYPHOON 13W CROSSES OVER THE KUROSHIO CURRENT AND ENTERS COOLER WATER NEAR 35 DEGREES NORTH LATITUDE, AND TRACKS UNDER INCREASINGLY HOSTILE VERTICAL WIND SHEAR, IT IS FORECAST TO WEAKEN AND COMPLETE ETT BETWEEN TAU 12-24. HOWEVER, IT WILL MOVE UNDER A DEEP AND NEGATIVELY TILTED MID-LATITUDE TROUGH AND IS EXPECTED TO RE-INTENSIFY AS AN EXTRA-TROPICAL LOW AND MAINTAIN STORM FORCE SURFACE WINDS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 241800Z IS 30 FEET. NEXT WARNINGS AT 250300Z, 250900Z AND 251500Z.// 1310091812 156N1523E 15 1310091818 156N1516E 15 1310091900 157N1508E 20 1310091906 159N1498E 20 1310091912 164N1489E 20 1310091918 171N1478E 20 1310092000 180N1467E 20 1310092006 184N1463E 25 1310092012 186N1460E 30 1310092018 186N1457E 35 1310092100 186N1454E 35 1310092106 187N1448E 35 1310092112 189N1441E 40 1310092118 192N1432E 40 1310092200 193N1428E 40 1310092206 195N1423E 40 1310092212 196N1419E 40 1310092218 197N1414E 50 1310092300 198N1411E 65 1310092300 198N1411E 65 1310092306 207N1408E 65 1310092306 207N1408E 65 1310092312 218N1407E 65 1310092312 218N1407E 65 1310092312 218N1407E 65 1310092318 228N1407E 75 1310092318 228N1407E 75 1310092318 228N1407E 75 1310092400 244N1407E 90 1310092400 244N1407E 90 1310092400 244N1407E 90 1310092406 263N1412E 90 1310092406 263N1412E 90 1310092406 263N1412E 90 1310092412 285N1417E 90 1310092412 285N1417E 90 1310092412 285N1417E 90 1310092418 312N1427E 80 1310092418 312N1427E 80 1310092418 312N1427E 80 NNNN