作者 kadar (卡卡達達)
標題 [討論] 92W GW/TCFA
時間 Mon Aug 18 09:43:58 2025


WTPQ50 RJTD 180000
RSMC TROPICAL CYCLONE ADVISORY
NAME TD
ANALYSIS
PSTN 180000UTC 22.2N 126.4E FAIR
MOVE NNE SLOWLY
PRES 1008HPA
MXWD 030KT
GUST 045KT

https://i.meee.com.tw/JUuuieF.png
[圖]

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ABPW10 PGTW 171430
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS REISSUED/171430Z-180600ZAUG2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/171421ZAUG2025//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 92W) PREVIOUSLY LOCATED NEAR
21.2N 127.7E IS NOW LOCATED NEAR 21.5N 127.1E, APPROXIMATELY 283 NM
SOUTH OF KADENA AFB. ANIMATED ENHANCED INFRARED (EIR) SATELLITE
IMAGERY DEPICTS A QUICKLY CONSOLIDATING AND A PARTIALLY EXPOSED LOW
LEVEL CIRCULATION CENTER (LLCC), EMBEDDED WITHIN A REVERSE ORIENTED
MONSOON TROF. FLARING CONVECTION ALONG THE EASTERN PERIPHERY OF THE
CIRCULATION HAS BEGUN TO CONSOLIDATE INTO FORMATIVE BANDING. A 171235Z
ASCAT-B PASS SHOWED A FORMATIVE LLCC TO THE WEST OF AN EXTENSIVE
REGION OF 20-25 KNOT WINDS EXTENDING ALONG THE ENTIRE EASTERN HALF OF
THE CIRCULATION, WITH SOME EMBEDDED WINDS OF 30 KNOTS ISOLATED IN THE
NORTHEASTERN QUADRANT. ANIMATED WATER VAPOR IMAGERY INDICATES A TUTT-
CELL POSITIONED APPROXIMATELY 200NM NORTH OF 92W, WHICH HAS BEGUN TO
ENHANCE THE POLEWARD OUTFLOW, AND SUPPORTING CONVECTIVE DEVELOPMENT IN
AND AROUND THE LLCC. ENVIRONMENTAL ANALYSIS FOR THE AREA INDICATES
FAVORABLE CONDITIONS FOR DEVELOPMENT WITH LOW VERTICAL WIND SHEAR (5-
10 KTS), WARM SEA SURFACE TEMPERATURES (30 C) AND GOOD POLEWARD
OUTFLOW ALOFT ONLY OFFSET BY DRY MID-LEVEL AIR TO THE NORTH DUE TO THE
AFOREMENTIONED TUTT CELL. GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 92W
WILL TRACK NORTHWARD AND SLOWLY INTENSIFY OVER THE NEXT 24 HOURS.
MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 18 TO 23 KNOTS.
MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1008 MB. THE
POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN
THE NEXT 24 HOURS IS UPGRADED TO HIGH.
...
      (3) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY: NONE.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA 1.B.(1) TO
HIGH.//
NNNN

https://i.meee.com.tw/VF6c07R.gif
[圖]

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模式對路徑反應滿兩極的
https://i.meee.com.tw/TJ8bQBQ.png
https://i.meee.com.tw/XnGlzek.png

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※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 59.127.163.9 (臺灣)
※ 作者: kadar 2025-08-18 09:43:58
※ 文章代碼(AID): #1eeeLY_Q (TY_Research)
※ 文章網址: https://www.ptt.cc/bbs/TY_Research/M.1755481442.A.FDA.html
※ 編輯: kadar (59.127.163.9 臺灣), 08/18/2025 09:53:22
cjfnued: 中央氣象署也把這個認定為熱帶性低氣壓了1F 08/18 10:00
josh861010: 21號要飛北海道欸… 會不會停飛阿!2F 08/18 10:02
uodam64402: 92W比較影響到九州四國等西日本地區,北海道如要受天氣影響也不是這個系統。3F 08/18 10:06
josh861010: 原來如此 謝謝解析5F 08/18 10:07
youngscott: 和之前數值預報差很多 連偏過來都沒有 直直去6F 08/18 10:12
Obama: 20日要去九州一週,擔心7F 08/18 11:20
abcdeffg: 我不專業看windy好像週三菲律賓東方有個熱低壓生成那個應該影響台灣比較多8F 08/18 11:43
熱帶低壓≠熱低壓
#1eJhbg63 (TY_Research)
[討論] 熱低壓科普 - TY_Research板 - Disp BBS keroromoa Instagram Weather.benny簡單用一張表整理了 熱低(熱帶性低氣壓) VS 熱低壓(熱力低氣壓)  兩者的結構與成因差異,分享給大家。 雖然板上對於某些天氣系統會有一些簡稱或暱稱,
※ 編輯: kadar (59.127.163.9 臺灣), 08/18/2025 11:47:44
abcdeffg: 感謝指正10F 08/18 11:48
MarVin009: 菲東海域會出現的應該是90w 目前還在關島那邊11F 08/18 12:09
Bustycat: 這個預報不強,會不會停飛自己去問航司12F 08/18 12:45
Eeli2008: 又在報行程(白眼13F 08/18 12:54

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