WTPN34 PGTW 060300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 12W (TWELVE) WARNING NR 011//
RMKS/
1. TROPICAL DEPRESSION 12W (TWELVE) WARNING NR 011
   04 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   060000Z --- NEAR 31.1N 135.0E
     MOVEMENT PAST SIX HOURS - 300 DEGREES AT 15 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   REPEAT POSIT: 31.1N 135.0E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   061200Z --- 31.3N 133.2E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 24 HR POSIT: 220 DEG/ 08 KTS
    ---
   24 HRS, VALID AT:
   070000Z --- 30.0N 132.0E
   MAX SUSTAINED WINDS - 015 KT, GUSTS 025 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
060300Z POSITION NEAR 31.1N 134.5E.
06AUG21. TROPICAL DEPRESSION 12W (TWELVE), LOCATED APPROXIMATELY
241 NM SOUTHEAST OF IWAKUNI, JAPAN, HAS TRACKED WEST-
NORTHWESTWARD AT 15 KNOTS OVER THE PAST SIX HOURS. ANIMATED
MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A FULLY EXPOSED LOW
LEVEL CIRCULATION CENTER (LLCC). THE INITIAL POSITION IS ASSESSED
WITH HIGH CONFIDENCE BASED ON THE AFOREMENTIONED MSI, AS WELL AS THE
PGTW SATELLITE FIX. TD 12W IS CURRENTLY EXPERIENCING DIRECT CYCLONE
INTERACTION WITH THE STRONGER AND MORE DOMINANT TS 14W, WHICH IS
POSITIONED ABOUT 310NM TO THE SOUTHWEST. AS A RESULT, TD 12W IS
BEING ACCELERATED AROUND 14W?S NORTHERN PERIPHERY WHILE ENCOUNTERING
INCREASING VERTICAL WIND SHEAR (VWS). IN ADDITION, THERE IS DRY AIR
ENTRAINMENT IN THE MID AND UPPER LEVELS THROUGHOUT THE FORECAST
PERIOD. THE AMOUNT OF VWS BEING INTRODUCED BY THE RAPIDLY
APPROACHING TS 14W TO THE SOUTHWEST IS HINDERING ANY FURTHER
DEVELOPMENT. GLOBAL MODELS AGREE THAT TD 12W WILL RAPIDLY DISSIPATE
AND BECOME FULLY ABSORBED OVER THE NEXT 24 HOURS. THIS IS THE FINAL
WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI.
THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 060000Z IS 12 FEET. REFER TO
TROPICAL STORM 13W (LUPIT) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY
UPDATES. REFER TO TROPICAL STORM 14W (MIRINAE) WARNINGS (WTPN31 PGTW)
FOR SIX-HOURLY UPDATES. REFER TO TROPICAL STORM 15W (NIDA) WARNINGS
(WTPN33 PGTW) FOR SIX-HOURLY UPDATES.//
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