WTPN32 PGTW 231500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 10W (CEMPAKA) WARNING NR 021//
RMKS/
1. TROPICAL DEPRESSION 10W (CEMPAKA) WARNING NR 021    
   03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   231200Z --- NEAR 20.0N 107.3E
     MOVEMENT PAST SIX HOURS - 190 DEGREES AT 07 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF 
     SATELLITE, RADAR AND SYNOPTIC DATA
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   REPEAT POSIT: 20.0N 107.3E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   240000Z --- 19.1N 107.2E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 24 HR POSIT: 125 DEG/ 04 KTS
    ---
   24 HRS, VALID AT:
   241200Z --- 18.6N 107.9E
   MAX SUSTAINED WINDS - 015 KT, GUSTS 025 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
231500Z POSITION NEAR 19.8N 107.3E.
23JUL21. TROPICAL DEPRESSION 10W (CEMPAKA), LOCATED APPROXIMATELY 99 
NM SOUTHEAST OF HANOI, VIETNAM, HAS TRACKED SOUTHWARD AT 07 KNOTS 
OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED SATELLITE 
IMAGERY, RADAR IMAGERY AND A 231132Z SSMIS 91GHZ COLOR COMPOSITE 
MICROWAVE IMAGE DEPICT A WEAKLY DEFINED, EXPOSED LOW-LEVEL 
CIRCULATION JUST WEST OF BACH LONG VI (48839), VIETNAM. SURFACE 
OBSERVATIONS FROM BACH LONG VI HAVE SWITCHED FROM WESTERLY TO SOUTH-
SOUTHEASTERLY AT LESS THAN 10 KNOTS. ADDITIONAL SURFACE OBSERVATIONS 
FROM ALONG THE COAST OF VIETNAM INDICATE WEAK WESTERLY FLOW INTO THE 
REMNANT DISTURBANCE OVER WATER. ENVIRONMENTAL CONDITIONS WILL REMAIN 
UNFAVORABLE WITH PERSISTENT STRONG VERTICAL WIND SHEAR OF 20-30 
KNOTS EXPECTED TO HINDER REGENERATION. THE REMNANTS OF 10W SHOULD 
TRACK EASTWARD THROUGH TAU 24 WHILE CONTINUING TO WEAKEN. 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. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 231200Z IS 7 FEET. 
REFER TO TYPHOON 09W (IN-FA) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY 
UPDATES. REFER TO TROPICAL DEPRESSION 11W (ELEVEN) WARNINGS (WTPN33 
PGTW) FOR SIX-HOURLY UPDATES.//
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