WTPN32 PGTW 242100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 18W (NARRA) WARNING NR 017//
RMKS/
1. TROPICAL STORM 18W (NARRA) WARNING NR 017    
   03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   241800Z --- NEAR 19.5N 107.7E
     MOVEMENT PAST SIX HOURS - 110 DEGREES AT 03 KTS
     POSITION ACCURATE TO WITHIN 050 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF 
     SATELLITE AND RADAR
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT
                            065 NM SOUTHEAST QUADRANT
                            065 NM SOUTHWEST QUADRANT
                            000 NM NORTHWEST QUADRANT
   REPEAT POSIT: 19.5N 107.7E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   250600Z --- 19.6N 108.4E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT
                            040 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            000 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 055 DEG/ 06 KTS
    ---
   24 HRS, VALID AT:
   251800Z --- 20.2N 109.4E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 36 HR POSIT: 035 DEG/ 06 KTS
    ---
   36 HRS, VALID AT:
   260600Z --- 21.1N 110.1E
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   VECTOR TO 48 HR POSIT: 005 DEG/ 05 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   261800Z --- 22.1N 110.2E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
242100Z POSITION NEAR 19.5N 107.9E.
24AUG26. TROPICAL STORM 18W (NARRA), LOCATED APPROXIMATELY 136 NM
SOUTHEAST OF HANOI, VIETNAM, HAS TRACKED EAST-SOUTHEASTWARD AT 03
KNOTS OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 241800Z IS 
992 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 241800Z IS 11 FEET. NEXT 
WARNINGS AT 250300Z, 250900Z, 251500Z AND 252100Z.
REFER TO TYPHOON 17W (SAUDEL) WARNINGS (WTPN31 PGTW)
FOR SIX-HOURLY UPDATES.
REFER TO TROPICAL DEPRESSION 19W (ATSANI) WARNINGS (WTPN33 PGTW)
FOR SIX-HOURLY UPDATES.
//
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