Advisories

WTPN32 PGTW 210300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 002//
RMKS/
1. TROPICAL DEPRESSION 18W (EIGHTEEN) WARNING NR 002    
   02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   210000Z --- NEAR 20.2N 108.6E
     MOVEMENT PAST SIX HOURS - 060 DEGREES AT 02 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF 
     SATELLITE AND RADAR
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   REPEAT POSIT: 20.2N 108.6E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   211200Z --- 20.3N 108.6E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 24 HR POSIT: 360 DEG/ 01 KTS
    ---
   24 HRS, VALID AT:
   220000Z --- 20.4N 108.6E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 36 HR POSIT: 025 DEG/ 01 KTS
    ---
   36 HRS, VALID AT:
   221200Z --- 20.6N 108.7E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 48 HR POSIT: 025 DEG/ 01 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   230000Z --- 20.8N 108.8E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 60 HR POSIT: 045 DEG/ 01 KTS
    ---
   60 HRS, VALID AT:
   231200Z --- 21.0N 109.0E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 72 HR POSIT: 060 DEG/ 01 KTS
    ---
   72 HRS, VALID AT:
   240000Z --- 21.1N 109.2E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 96 HR POSIT: 045 DEG/ 00 KTS
    ---
   LONG RANGE OUTLOOK:
    ---
   96 HRS, VALID AT:
   250000Z --- 21.2N 109.3E
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 120 HR POSIT: 045 DEG/ 00 KTS
    ---
   120 HRS, VALID AT:
   260000Z --- 21.3N 109.4E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
210300Z POSITION NEAR 20.2N 108.6E.
21AUG26. TROPICAL DEPRESSION 18W (EIGHTEEN), LOCATED
APPROXIMATELY 159 NM EAST-SOUTHEAST OF HANOI, VIETNAM, HAS
TRACKED EAST-NORTHEASTWARD AT 02 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 210000Z IS 995 MB.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 210000Z IS 10 FEET.
NEXT WARNINGS AT 210900Z, 211500Z, 212100Z AND 220300Z.
REFER TO TROPICAL STORM 17W (SAUDEL) WARNINGS (WTPN31 PGTW)
FOR SIX-HOURLY UPDATES.//
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