WTPN31 PGTW 200900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 28W (RAI) WARNING NR 030//
RMKS/
1. TROPICAL STORM 28W (RAI) WARNING NR 030    
   DOWNGRADED FROM TYPHOON 28W
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   200600Z --- NEAR 18.3N 111.8E
     MOVEMENT PAST SIX HOURS - 040 DEGREES AT 13 KTS
     POSITION ACCURATE TO WITHIN 020 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF 
     SATELLITE AND RADAR
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
                            070 NM SOUTHEAST QUADRANT
                            080 NM SOUTHWEST QUADRANT
                            095 NM NORTHWEST QUADRANT
   REPEAT POSIT: 18.3N 111.8E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   201800Z --- 20.0N 113.5E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 24 HR POSIT: 060 DEG/ 10 KTS
    ---
   24 HRS, VALID AT:
   210600Z --- 21.1N 115.4E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
200900Z POSITION NEAR 18.7N 112.2E.
20DEC21. TROPICAL STORM 28W (RAI), LOCATED APPROXIMATELY 275 NM
SOUTH-SOUTHWEST OF HONG KONG, HAS TRACKED NORTHEASTWARD AT 13 KNOTS
OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 200600Z
IS 16 FEET. NEXT WARNINGS AT 201500Z, 202100Z AND 210300Z.//
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