SUBJ: TROPICAL CYCLONE FINAL WARNING
WTPN32 PGTW 012100    
1. TROPICAL STORM 30W (XANGSANE) WARNING NR 030    
   02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   011800Z0 --- NEAR 31.1N5 128.7E8
     MOVEMENT PAST SIX HOURS - 050 DEGREES AT 37 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   EXTRATROPICAL
   REPEAT POSIT: 31.1N5 128.7E8
    ---
   FORECASTS:
   12 HRS, VALID AT:
   020600Z8 --- 34.6N3 135.3E2
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   EXTRATROPICAL
   VECTOR TO 24 HR POSIT: 060 DEG/ 32 KTS
    ---
   24 HRS, VALID AT:
   021800Z1 --- 37.5N5 142.3E0
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   EXTRATROPICAL
   VECTOR TO 36 HR POSIT: 080 DEG/ 35 KTS
    ---
   36 HRS, VALID AT:
   030600Z9 --- 38.1N2 151.2E9
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   EXTRATROPICAL
    ---
REMARKS:
012100Z4 POSITION NEAR 32.0N5 130.4E8.
TROPICAL STORM (TS) 30W (XANGSANE), LOCATED APPROXIMATELY 100 NM 
SOUTHWEST OF KYUSHU, JAPAN, HAS MOVED NORTHEAST AT 37 KNOTS 
DURING THE PAST 06 HOURS AND BECOME EXTRA-TROPICAL. THE WARNING
POSITION IS BASED ON 011730Z2 INFRARED SATELLITE IMAGERY. THE 
WARNING INTENSITY IS BASED ON PERSISTENCE. ANIMATED INFRARED 
SATELLITE IMAGERY AND MICROWAVE IMAGERY DEPICT RAPIDLY WEAKENING 
CONVECTION SHEARED NORTHEAST OF THE LOW-LEVEL CIRCULATION CENTER 
(LLCC). SATELLITE IMAGERY ALSO INDICATES SIGNIFICANT ENTRAINMENT OF 
COOLER, DRIER AIR WITH AN EXTENSIVE STRATOCUMULUS FIELD SOUTHWEST TO 
NORTHWEST OF THE SYSTEM. SURFACE SYNOPTIC ANALYSIS INDICATES THAT 
SYSTEM IS NOW EXTRA-TROPICAL WITH FRONTAL CHARACTERISTICS, E.G., 
MODERATE COLD-AIR ADVECTION AND ISOTHERM PACKING, AND STRONG 
NORTHWESTERLY GALES DISPLACED SOUTHWEST OF THE LLCC. 500 MB
ANALYSIS ALSO INDICATES A TROUGH STACKED NORTHWEST OF THE SYSTEM. 
THE SYSTEM IS FORECAST TO TRACK RAPIDLY NORTHEASTWARD BETWEEN THE 
SUB-TROPICAL RIDGE TO THE SOUTHEAST, AND THE MID-LATITUDE 
WESTERLIES. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 011800Z0 IS 18 FEET. 
REFER TO WWPW31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. THIS IS 
THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WARNING CENTER 
(NAVPACMETOCCEN). THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF 
REGENERATION. REFER TO TROPICAL STORM 31W (BEBINCA) WARNINGS (WTPN31 
PGTW) FOR SIX-HOURLY UPDATES.//
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