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ARB 08(92A) 92B重編 登陸索馬利亞

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發佈時間: 2019-12-5 11:15

正文摘要:

  基本資料   編號    :92 A 擾動編號日期:2019 年 12 月 05 日 09 時 撤編日期  :2019 年 12 月 12 日 13 時 92A INVEST 191205 0000 5.0N 76.6E IO 25 1003 ...

t02436 發表於 2019-12-11 16:39
即將或正在登陸索馬利亞,準備撤編。
20191211.0730.msg4.x.ir1km.92BINVEST.20kts-1008mb-97N-505E.100pc.jpg

IMD昨天06Z停編
ftrack.png
t02436 發表於 2019-12-8 21:09
IMD 09Z編號ARB 08,上望DD
Sub: Depression over southwest Arabian Sea
Latest observations indicate that a depression has formed over southwest Arabian Sea and lay
centred at 1430 hrs IST of today, the 08
th December, 2019 near latitude 9.4°N and longitude 62.2°E, about 970
km east-southeast of Socotra Island (Yemen) and 1540 km west-southwest of Cochin. It is very likely to
intensify into a deep depression during next 24 hours. It is very likely to move west-northwestwards till 9th
December morning and then westwards during subsequent 48 hours.

ftrack.png

3Dsecsw_nhc.jpg
jrchang5 發表於 2019-12-8 09:19
JTWC 07/21Z發布TCFA。
WTIO21 PGTW 072100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT (INVEST 92B)//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
140 NM EITHER SIDE OF A LINE FROM 7.7N 64.9E TO 10.6N 59.6E
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 071800Z INDICATES THAT A CIRCULATION CENTER IS LOCATED
NEAR 7.7N 64.7E. THE SYSTEM IS MOVING NORTHWARD AT 07 KNOTS.
2. REMARKS: THE AREA OF CONVECTION (INVEST 92B) PREVIOUSLY LOCATED
NEAR 7.3N 64.0E IS NOW LOCATED NEAR 7.7N 64.7E, APPROXIMATELY 684 NM
SOUTHEAST OF SOCOTRA. ANIMATED MULTISPECTRAL SATELLITE IMAGERY AND A
071730Z METOP-B ASCAT PASS DEPICT BUILDING DEEP CONVECTION SLIGHTLY
OFFSET TO THE NORTHEAST WITH FORMATIVE BANDING WRAPPING IN FROM THE
NORTH OVER A SLIGHTLY ELONGATED LOW LEVEL CIRCULATION CENTER. UPPER
LEVEL ANALYSIS SHOWS FAVORABLE CONDITIONS FOR DEVELOPMENT WITH GOOD
EQUATORWARD OUTFLOW AND LOW (<15 KTS) VERTICAL WIND SHEAR. SEA
SURFACE TEMPERATURES ARE FAVORABLE AT 29-30 DEGREES CELSIUS. GLOBAL
MODELS ARE IN SLIGHT DISAGREEMENT WITH GFS AND NAVGEM SHOWING SLIGHT
INTENSIFICATION AND A NORTHWESTWARD TRACK WHILE UKMET, JGSM, AND
ECMWF SHOW MINIMAL CIRCULATION AND INTENSIFICATION OF 92B. 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
082100Z.//
NNNN
io9219.gif abpwsair.jpg 20191207.2330.msg1.x.ir1km_bw.92BINVEST.25kts-1009mb-77N-647E.100pc.jpg

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