簽到天數: 3466 天 [LV.Master]伴壇終老
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king111807|2026-6-3 23:12
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JTWC發布FW
WTPN31 PGTW 030900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 06W (JANGMI) WARNING NR 029//
RMKS/
1. TROPICAL STORM 06W (JANGMI) WARNING NR 029
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:
030600Z --- NEAR 34.9N 141.4E
MOVEMENT PAST SIX HOURS - 075 DEGREES AT 30 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND RADAR
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
WIND RADII VALID OVER OPEN WATER ONLY
BECOMING EXTRATROPICAL
RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
065 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT
210 NM SOUTHEAST QUADRANT
165 NM SOUTHWEST QUADRANT
125 NM NORTHWEST QUADRANT
REPEAT POSIT: 34.9N 141.4E
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FORECASTS:
12 HRS, VALID AT:
031800Z --- 36.3N 145.6E
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL
RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
015 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 220 NM NORTHEAST QUADRANT
210 NM SOUTHEAST QUADRANT
160 NM SOUTHWEST QUADRANT
150 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 085 DEG/ 10 KTS
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24 HRS, VALID AT:
040600Z --- 36.5N 148.0E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL
RADIUS OF 034 KT WINDS - 240 NM NORTHEAST QUADRANT
110 NM SOUTHEAST QUADRANT
160 NM SOUTHWEST QUADRANT
190 NM NORTHWEST QUADRANT
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REMARKS:
030900Z POSITION NEAR 35.2N 142.5E.
03JUN26. TROPICAL STORM 06W (JANGMI), LOCATED APPROXIMATELY 69 NM
SOUTHEAST OF NARITA AIRPORT, HAS TRACKED EAST-NORTHEASTWARD AT 30
KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE
IMAGERY (MSI) DEPICTS AN ELONGATED AND HEAVILY SHEARED SYSTEM,
WITH A NEARLY FULLY EXPOSED LOW-LEVEL CIRCULATION CENTER (LLCC) AND
REMAINING ASSOCIATED CONVECTION LOCATED POLEWARD AND EASTWARD.
THE SYSTEM IS CURRENTLY BECOMING EXTRATROPICAL, DUE TO CROSSING INTO
THE BAROCLINIC ZONE TO THE NORTH. MODEL DATA INDICATES EXTRATROPICAL
TRANSITION (ETT) COMPLETION WITHIN THE NEXT 12 HOURS, WITH
SIGNIFICANTLY INCREASED TEMPERATURE ADVECTION AND TS 06W EXHIBITING
FRONTAL CHARACTERISTICS. ASSESSMENT IS SUPPORTED BY GFS AND ECMWF
EXPECTED LLCC POSITION AHEAD AND POLEWARD OF THE SUBTROPICAL JET
MAXIMUM. ADDITIONAL ANALYSIS REVEALS INCREASINGLY HOSTILE
ENVIRONMENT WITH COLD (21-22 C) SEA SURFACE TEMPERATURES, NO
RESIDUAL OCEAN HEAT CONTENT AND INCREASING VERTICAL WIND SHEAR
(VWS) CURRENTLY ESTIMATED AT 40-45 KTS. DRY AIR ENTRAINMENT FROM THE
WEST IS ONGOING AND EXPECTED TO BE MORE PRONOUNCED WITHIN THE NEXT
12 HOURS, WHILE THE VWS IS EXPECTED TO INCREASE TO 50-55 KTS.
NUMERICAL MODEL GUIDANCE IS IN STRONG AGREEMENT REGARDING THE
TRACK AND INTENSITY, RESULTING IN HIGH CONFIDENCE OF THE OFFICIAL
JTWC FORECAST. 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 030600Z IS
983 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 030600Z IS 30 FEET.
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