WTPN31 PGTW 301500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 04W (FOUR) WARNING NR 008//
RMKS/
1. TROPICAL DEPRESSION 04W (FOUR) WARNING NR 008
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
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WARNING POSITION:
301200Z --- NEAR 18.4N 126.6E
MOVEMENT PAST SIX HOURS - 315 DEGREES AT 23 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
REPEAT POSIT: 18.4N 126.6E
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FORECASTS:
12 HRS, VALID AT:
010000Z --- 19.9N 124.4E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 24 HR POSIT: 295 DEG/ 11 KTS
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24 HRS, VALID AT:
011200Z --- 20.9N 122.2E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
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REMARKS:
301500Z POSITION NEAR 18.8N 126.1E.
TROPICAL DEPRESSION 04W (FOUR), LOCATED APPROXIMATELY 395 NM
NORTHEAST OF MANILA, PHILIPPINES, HAS TRACKED NORTHWESTWARD AT 23
KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED SATELLITE
IMAGERY SHOWS A DISORGANIZED SYSTEM WITH A SMALL AREA OF FRAGMENTED
CONVECTION SHEARED SOUTHWESTWARD OF A RAGGED, EXPOSED, AND
ILL-DEFINED CIRCULATION. A 301201Z DIRECT METOP-A ASCAT PASS
INDICATES THE LOW LEVEL CIRCULATION HAS UNRAVELED INTO A BROAD, WEAK
CIRCULATION. THE SAME ASCAT IMAGERY AND AGENCY DVORAK ESTIMATES FROM
PGTW AND RJTD INDICATE THE TD HAS WEAKENED TO BELOW JTWC WARNING
CRITERIA AND IS NOT EXPECTED TO RECOVER AS IT TRACKS NORTHWESTWARD IN
THE PHILIPPINE SEA UNDER SUSTAINED HIGH VERTICAL WIND SHEAR. 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 301200Z IS 9 FEET.//
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