開啟輔助訪問
 找回密碼
 立即加入

91C 逐漸北上 轉化溫氣

查看數: 6394 評論數: 3 收藏 0切换到帖子模式
    組圖打開中,請稍候......
發佈時間: 2019-9-17 09:56

正文摘要:

  基本資料   編號    :91 C 擾動編號日期:2019 年 09 月 17 日 09 時 撤編日期  :2019 年 09 月 20 日 07 時 91C.INVEST.25kts-1009mb-15.3N-163.3W ...

老農民版夜神月 發表於 2019-9-18 08:08
本帖最後由 老農民版夜神月 於 2019-9-18 08:17 編輯

JTWC17/2200Z發布TCFA
WTPN21 PHNC 172200
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
120 NM EITHER SIDE OF A LINE FROM 15.5N 164.1W TO 22.6N 166.4W
WITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY
ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME.
WINDS IN THE AREA ARE ESTIMATED TO BE 20 TO 25 KNOTS. METSAT
IMAGERY AT 171712Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 15.5N 163.8W. THE SYSTEM IS MOVING WEST-NORTHWESTWARD AT 05
KNOTS.
2. REMARKS:
THE AREA OF CONVECTION (INVEST 91C) HAS PERSISTED NEAR 15.5N 163.8W,
APPROXIMATELY 486 NM SOUTHWEST OF PEARL HARBOR, HAWAII. ANIMATED
ENHANCED INFRARED SATELLITE IMAGERY AND A 172007Z 89GHZ METOP-B
MICROWAVE IMAGE DEPICT FLARING CONVECTION TAKING ON MARGINAL ROTATION
ABOVE AN ELONGATED LOW LEVEL CIRCULATION (LLC). THE ENVIRONMENT IS
OVERALL MARGINAL, WITH LOW-MODERATE (15-20KT) VERTICAL WIND SHEAR,
EQUATORWARD OUTFLOW OVER THE LLC, AND WARM (29-30C) SEA SURFACE
TEMPERATURES. GLOBAL MODELS GENERALLY AGREE ON INVEST 91C TRACKING
NORTHWEST AS IT SLOWLY DEVELOPS. MAXIMUM SUSTAINED SURFACE WINDS ARE
ESTIMATED AT 20 TO 25 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED
TO BE NEAR 1004 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH.
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY
182200Z.
//
NNNN

cp9119.gif 91C_172200sair.jpg
GOES00002019261EsuLTN.jpg

本平台僅供學術討論之用,預報應以氣象局為準

威普網站虛擬主機贊助公司

臺灣第一個天氣類型社群平台 即時天氣資訊、精準颱風動態

線上客服
FB傳送訊息
廣告行銷
精準行銷 物超所值
官方粉專
發佈 快速回復 返回頂部 返回列表