簽到天數: 3331 天 [LV.Master]伴壇終老
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king111807|2025-10-23 10:21
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JTWC發布FW
WTPN31 PGTW 230300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 30W (FENGSHEN) WARNING NR 021//
RMKS/
1. TROPICAL DEPRESSION 30W (FENGSHEN) WARNING NR 021
DOWNGRADED FROM TROPICAL STORM 30W
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:
230000Z --- NEAR 16.0N 108.6E
MOVEMENT PAST SIX HOURS - 190 DEGREES AT 05 KTS
POSITION ACCURATE TO WITHIN 040 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
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
REPEAT POSIT: 16.0N 108.6E
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FORECASTS:
12 HRS, VALID AT:
231200Z --- 15.4N 107.8E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 24 HR POSIT: 215 DEG/ 05 KTS
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24 HRS, VALID AT:
240000Z --- 14.6N 107.2E
MAX SUSTAINED WINDS - 015 KT, GUSTS 025 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
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REMARKS:
230300Z POSITION NEAR 15.8N 108.4E.
23OCT25. TROPICAL DEPRESSION 30W (FENGSHEN), LOCATED
APPROXIMATELY 17 NM EAST OF DA NANG, VIETNAM, HAS TRACKED
SOUTHWARD AT 05 KNOTS OVER THE PAST SIX HOURS. ANIMATED
MULTISPECTRAL IMAGERY REVEALS THAT THE LOW-LEVEL CIRCULATION
CENTER IS FULLY EXPOSED AND LOCATED JUST OFF THE COAST OF DA NANG,
VIETNAM. THE SIGNIFICANT DRY AIR ENTRAINMENT AND SOUTHWESTERLY
VERTICAL WIND SHEAR HAS CONSIDERABLY WEAKENED 30W OVER THE PAST
6 HOURS. AS FENGSHEN HAS TRACKED CLOSER TO LAND, TERRAIN INTERACTION
HAS BECOME AN ADDITIONAL FACTOR IN EXPEDITING FENGSHEN'S TERMINAL
WEAKENING. 30W WILL CONTINUE TRACKING SOUTHWESTWARD WHILE OVER LAND
IN VIETNAM, AND DISSIPATION IS EXPECTED WITHIN 24 HOURS OF LANDFALL.
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. MINIMUM CENTRAL PRESSURE AT 230000Z IS 1004 MB.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 230000Z IS 12 FEET.//
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