Advisories

WTPN32 PGTW 221500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 18W (NARRA) WARNING NR 008//
RMKS/
1. TROPICAL DEPRESSION 18W (NARRA) WARNING NR 008    
   03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   221200Z --- NEAR 21.0N 108.0E
     MOVEMENT PAST SIX HOURS - 225 DEGREES AT 01 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   REPEAT POSIT: 21.0N 108.0E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   230000Z --- 20.7N 107.9E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT
                            030 NM SOUTHEAST QUADRANT
                            040 NM SOUTHWEST QUADRANT
                            000 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 180 DEG/ 02 KTS
    ---
   24 HRS, VALID AT:
   231200Z --- 20.4N 107.9E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT
                            030 NM SOUTHEAST QUADRANT
                            040 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 165 DEG/ 02 KTS
    ---
   36 HRS, VALID AT:
   240000Z --- 20.1N 108.0E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT
                            030 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 145 DEG/ 02 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   241200Z --- 19.7N 108.3E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 020 NM NORTHEAST QUADRANT
                            030 NM SOUTHEAST QUADRANT
                            030 NM SOUTHWEST QUADRANT
                            020 NM NORTHWEST QUADRANT
   VECTOR TO 60 HR POSIT: 060 DEG/ 03 KTS
    ---
   60 HRS, VALID AT:
   250000Z --- 20.0N 108.9E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 72 HR POSIT: 040 DEG/ 04 KTS
    ---
   72 HRS, VALID AT:
   251200Z --- 20.7N 109.5E
   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 96 HR POSIT: 015 DEG/ 04 KTS
    ---
   LONG RANGE OUTLOOK:
    ---
   96 HRS, VALID AT:
   261200Z --- 22.1N 109.9E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
221500Z POSITION NEAR 20.9N 108.0E. 22AUG26. TROPICAL DEPRESSION 18W 
(NARRA), LOCATED APPROXIMATELY 118 NM EAST OF HANOI, VIETNAM, HAS 
TRACKED SOUTHWESTWARD AT 01 KNOTS OVER THE PAST SIX HOURS. MINIMUM 
CENTRAL PRESSURE AT 221200Z IS 995 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT 
AT 221200Z IS 12 FEET. NEXT WARNINGS AT 222100Z, 230300Z, 230900Z AND 
231500Z. REFER TO TYPHOON 17W (SAUDEL) WARNINGS (WTPN31 PGTW) FOR SIX-
HOURLY UPDATES. REFER TO TROPICAL DEPRESSION 19W (NINETEEN) WARNINGS 
(WTPN33 PGTW) FOR SIX-HOURLY UPDATES.//
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