WTPS33 PGTW 110900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 12P (TWELVE) WARNING NR 012//
RMKS/
1. TROPICAL CYCLONE 12P (TWELVE) WARNING NR 012    
   01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   110600Z --- NEAR 18.9S 175.0E
     MOVEMENT PAST SIX HOURS - 070 DEGREES AT 08 KTS
     POSITION ACCURATE TO WITHIN 015 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF 
     SATELLITE AND SYNOPTIC DATA
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   REPEAT POSIT: 18.9S 175.0E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   111800Z --- 18.8S 176.1E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
110900Z POSITION NEAR 18.9S 175.3E.
11FEB24. TROPICAL CYCLONE 12P (TWELVE), LOCATED APPROXIMATELY 199
NM WEST-SOUTHWEST OF SUVA, FIJI, HAS TRACKED EAST-NORTHEASTWARD
AT 08 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE 
IMAGERY SHOWS THE MAIN CONVECTION HAS BECOME SHEARED 70+ NM 
SOUTHEASTWARD FROM A DEFINED BUT WEAK AND FULLY EXPOSED LOW-LEVEL 
CIRCULATION (LLC). THE INITIAL POSITION IS PLACED WITH HIGH CONFIDENCE 
BASED ON THE EXPOSED LLC. THE INITIAL INTENSITY IS HELD LOWER THAN 
CONSTRAINED AGENCY DVORAK ESTIMATES TO REFLECT THE SIGNIFICANT 6-HR 
DETERIORATION. ANALYSIS INDICATES THE SYSTEM IS NOW UNDER 25+ KNOTS OF 
RELATIVE VERTICAL WIND SHEAR CHARACTERIZED BY THE LLC AND THE MAIN 
CONVECTION MOVING AT TRAJECTORIES MORE THAN 60 DEGREES APART. SINCE 
THE INTENSITY HAS FALLEN TO BELOW WARNING CRITERIA, 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 110600Z IS 999 MB. 
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 110600Z IS 11 FEET.//
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