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JTWC #42 FW
qwert 发表于 10-10-23 16:34 
WTPN31 PGTW 230900
MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 15W (MEGI) WARNING NR 042
DOWNGRADED FROM TYPHOON 15W
03 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
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WARNING POSITION:
230600Z --- NEAR 24.2N 117.7E
MOVEMENT PAST SIX HOURS - 340 DEGREES AT 08 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE, RADAR, SYNOPTIC DATA AND EXTRAPOLATION
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
RADIUS OF 050 KT WINDS - 015 NM NORTHEAST QUADRANT
015 NM SOUTHEAST QUADRANT
015 NM SOUTHWEST QUADRANT
015 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
055 NM SOUTHWEST QUADRANT
065 NM NORTHWEST QUADRANT
REPEAT POSIT: 24.2N 117.7E
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FORECASTS:
12 HRS, VALID AT:
231800Z --- 25.2N 117.6E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 24 HR POSIT: 010 DEG/ 05 KTS
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24 HRS, VALID AT:
240600Z --- 26.2N 117.8E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
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REMARKS:
230900Z POSITION NEAR 24.5N 117.7E.
TROPICAL STORM (TS) 15W (MEGI), HAS TRACKED NORTH-NORTHWESTWARD AT 08
KTS AND MADE LANDFALL NEAR XIAMEN, CHINA. ANIMATED WATER VAPOR
IMAGERY SHOWS THE MAJORITY OF CONVECTION ASSOCIATED WITH THE SYSTEM
HAS DISSIPATED. THE CURRENT POSITION IS BASED ON RADAR ANIMATION FROM
TAIPEI, TAIWAN. THE CURRENT INTENSITY IS BASED ON A DVORAK ESTIMATE
OF 55 KNOTS FROM RJTD. TS MEGI IS EXPECTED TO RAPIDLY WEAKEN AS IT
DRAGS NORTH OVER SOUTHEAST CHINA'S RUGGED TERRAIN THEN DISSIPATE AS A
SIGNIFICANT TROPICAL CYCLONE OVER LAND BY TAU 24.
THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON
WARNING CENTER (NAVMARFCSTCEN). THE SYSTEM WILL BE CLOSELY MONI-
TORED FOR SIGNS OF REGENERATION. REFER TO TROPICAL DEPRESSION 16W
(SIXTEEN) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES. REFER TO
TROPICAL DEPRESSION 17W (SEVENTEEN) WARNINGS (WTPN33 PGTW) FOR
SIX-HOURLY UPDATES.//
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