簽到天數: 3414 天 [LV.Master]伴壇終老
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king111807|2026-1-21 03:44
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JTWC發布FW
WTPN31 PGTW 202100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 01W (NOKAEN) WARNING NR 025//
RMKS/
1. TROPICAL DEPRESSION 01W (NOKAEN) WARNING NR 025
DOWNGRADED FROM TROPICAL STORM 01W
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:
201800Z --- NEAR 17.1N 133.0E
MOVEMENT PAST SIX HOURS - 120 DEGREES AT 11 KTS
POSITION ACCURATE TO WITHIN 050 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
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
REPEAT POSIT: 17.1N 133.0E
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FORECASTS:
12 HRS, VALID AT:
210600Z --- 15.5N 134.0E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 24 HR POSIT: 170 DEG/ 09 KTS
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24 HRS, VALID AT:
211800Z --- 13.7N 134.3E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
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REMARKS:
202100Z POSITION NEAR 16.7N 133.3E.
20JAN26. TROPICAL DEPRESSION 01W (NOKAEN), LOCATED APPROXIMATELY
544 NM NORTH-NORTHWEST OF YAP, HAS TRACKED EAST-SOUTHEASTWARD AT
11 KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED SATELLITE
IMAGERY (EIR) DEPICTS A RAPIDLY UNRAVELING LOW LEVEL CIRCULATION
CENTER, WITH MULTIPLE SMALL VORTICES DEVELOPING AROUND THE PERIPHERY
OF THE HIGHLY ELONGATED LLCC. THE PRIMARY VORTEX CURRENTLY BEING
TRACKED AS THE CENTER OF TD 01W IS LOCATED ON THE SOUTHEASTERN
PERIPHERY OF THE BROADER ROTATION, BEING FIXED ON BY BOTH PGTW AND
RJTD. A 201627Z AMSR2 36GHZ MICROWAVE IMAGE REVEALED AN ELONGATED LOW
EMISSIVITY REGION (LER) WITH A LINEAR BAND OF CONVECTION TO THE
NORTHEAST WHERE THE TAIL END OF A SHEAR LINE MERGES WITH THE BROADER
CIRCULATION. THE REMAINDER OF THE LLCC IS DEVOID OF CONVECTIVE
ACTIVITY. OVERNIGHT SCATTEROMETER DATA INDICATED WINDS OF 30-35 KNOTS
EMBEDDED WITHIN THE STRONG NORTHEASTERLY FLOW ALONG THE NORTHWESTERN
FLANK OF THE SYSTEM, AND LIGHT WINDS ACROSS THE REMAINDER OF THE
CIRCULATION. THE INITIAL POSITION AND INTENSITY ARE ASSESSED WITH HIGH
CONFIDENCE. THE SYSTEM WILL CONTINUE TO TRACK SOUTHEASTWARD ALONG THE
LEADING EDGE OF THE SHEAR LINE OR FRONTAL SYSTEM, AHEAD OF A
REINVIGORATED COLD SURGE EVENT, OVER THE NEXT 24 HOURS. DURING THIS
TIME, THE LLCC WILL CONTINUE TO UNRAVEL AND BECOME INCREASINGLY LINEAR
IN NATURE. WHILE WINDS OF 25-30 KNOTS WILL PERSIST WITHIN THE
NORTHEASTERLY SURGE FLOW, THEY WILL BE LINEAR IN NATURE AND NOT
DIRECTLY ASSOCIATED WITH THE REMAINS OF TD 01W.
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 201800Z IS
1001 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 201800Z IS 14 FEET.//
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