WTPN32 PGTW 020900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL STORM 19W (JEBI) WARNING NR 024// RMKS/ 1. TROPICAL STORM 19W (JEBI) WARNING NR 024 02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 020600Z --- NEAR 44.9N 152.5E MOVEMENT PAST SIX HOURS - 045 DEGREES AT 41 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 055 NM NORTHEAST QUADRANT 050 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT 095 NM SOUTHEAST QUADRANT 010 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT REPEAT POSIT: 44.9N 152.5E --- FORECASTS: 12 HRS, VALID AT: 021800Z --- 50.9N 161.1E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT 120 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 060 DEG/ 32 KTS --- 24 HRS, VALID AT: 030600Z --- 53.7N 170.5E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT 220 NM SOUTHEAST QUADRANT 200 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT --- REMARKS: 020900Z POSITION NEAR 46.4N 154.7E. 02OCT24. TROPICAL STORM 19W (JEBI), LOCATED APPROXIMATELY 566 NM EAST-NORTHEAST OF MISAWA, JAPAN, HAS TRACKED NORTHEASTWARD AT 41 KNOTS OVER THE PAST SIX HOURS. TS JEBI IS CURRENTLY UNDERGOING EXTRATROPICAL TRANSITION THROUGH ITS NORTHEASTWARD TRACK INTO THE MID-LATITUDE BAROCLINIC ZONE AS SEA SURFACE TEMPERATURES HAVE DECREASED TO WELL BELOW 24 C AND VERTICAL WIND SHEAR (VWS) HAS INCREASED TO ABOVE 25 KNOTS. THE SYSTEM IS EXPECTED TO COMPLETE EXTRATROPICAL TRANSITION DURING THE NEXT SIX TO TWELVE HOURS AS AN EASTWARD PROGRESSING LONGWAVE TROUGH WILL PROVIDE TRANSITION SUPPORT INTO AN ASYMMETRIC COLD-CORE MID-LATITUDE LOW. ANIMATED VISIBLE IMAGERY AND A 89 GHZ 020300Z AMSR2 MICROWAVE IMAGE SUPPORT THE EXTRATROPICAL TRANSITION ASSESSMENT AS CONVECTION ASSOCIATED WITH 19W HAS BECOME POLEWARD AND EASTWARD OF THE LOW-LEVEL CIRUCATION CENTER, AND THE SYSTEMS VERTICAL STRUCTURE CONTINUES TO BECOME INCREASINGLY TILTED WITH HEIGHT. 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 020600Z IS 978 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 020600Z IS 24 FEET. REFER TO TYPHOON 20W (KRATHON) WARNINGS (WTPN33 PGTW) FOR SIX- HOURLY UPDATES.// NNNN