Advisories

WTPN32 PGTW 250900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 18W (NARRA) WARNING NR 019//
RMKS/
1. TROPICAL STORM 18W (NARRA) WARNING NR 019    
   03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   250600Z --- NEAR 19.4N 108.2E
     MOVEMENT PAST SIX HOURS - 080 DEGREES AT 07 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 - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT
                            055 NM SOUTHEAST QUADRANT
                            035 NM SOUTHWEST QUADRANT
                            000 NM NORTHWEST QUADRANT
   REPEAT POSIT: 19.4N 108.2E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   251800Z --- 20.2N 109.5E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 24 HR POSIT: 035 DEG/ 06 KTS
    ---
   24 HRS, VALID AT:
   260600Z --- 21.1N 110.2E
   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 36 HR POSIT: 015 DEG/ 06 KTS
    ---
   36 HRS, VALID AT:
   261800Z --- 22.3N 110.6E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
250900Z POSITION NEAR 19.6N 108.5E.
25AUG26. TROPICAL STORM 18W (NARRA), LOCATED APPROXIMATELY 161 NM
SOUTHEAST OF HANOI, VIETNAM, HAS TRACKED EASTWARD AT 07 KNOTS
OVER THE PAST SIX HOURS. MINIMUM CENTRAL PRESSURE AT 250600Z IS 991 
MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 250600Z IS 13 FEET. NEXT 
WARNINGS AT 251500Z, 252100Z, 260300Z AND 260900Z. 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.//
NNNN