WTPN31 PGTW 070300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 12W (YUN-YEUNG) WARNING NR 007//
RMKS/
1. TROPICAL STORM 12W (YUN-YEUNG) WARNING NR 007    
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   070000Z --- NEAR 29.7N 136.4E
     MOVEMENT PAST SIX HOURS - 030 DEGREES AT 13 KTS
     POSITION ACCURATE TO WITHIN 010 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF 
     SATELLITE AND SYNOPTIC DATA
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 080 NM NORTHEAST QUADRANT
                            090 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            000 NM NORTHWEST QUADRANT
   REPEAT POSIT: 29.7N 136.4E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   071200Z --- 31.8N 137.5E
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT
                            080 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            050 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 020 DEG/ 09 KTS
    ---
   24 HRS, VALID AT:
   080000Z --- 33.5N 138.3E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
                            050 NM SOUTHEAST QUADRANT
                            020 NM SOUTHWEST QUADRANT
                            030 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 020 DEG/ 09 KTS
    ---
   36 HRS, VALID AT:
   081200Z --- 35.3N 139.0E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 48 HR POSIT: 020 DEG/ 12 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   090000Z --- 37.6N 140.2E
   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 72 HR POSIT: 045 DEG/ 08 KTS
    ---
   72 HRS, VALID AT:
   100000Z --- 39.8N 143.1E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
070300Z POSITION NEAR 30.2N 136.7E.
07SEP23. TROPICAL STORM 12W (YUN-YEUNG), LOCATED APPROXIMATELY
375 NM SOUTH-SOUTHWEST OF YOKOSUKA, JAPAN, HAS TRACKED NORTH-
NORTHEASTWARD AT 13 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 070000Z IS 994 MB. 
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 070000Z IS 19 FEET. 
NEXT WARNINGS AT 070900Z, 071500Z, 072100Z AND 080300Z.//
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