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90S

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[LV.10]以壇為家III

2020-6-24 21:49 | 顯示全部樓層
  基本資料  
編號    :90 S
擾動編號日期:2020 06 24 18
撤編日期  :2020 06 28 00
90S INVEST 200624 0600 8.0S 80.0E SHEM 15 1010

182417i57vkz47d747v5qa.jpg


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參與人數 1水氣能量 +15 2020擾動搶樓 +1 收起 理由
king111807 + 15 + 1 熱帶擾動首帖

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簽到天數: 1048 天

[LV.10]以壇為家III

老農民版夜神月|2020-6-25 11:12 | 顯示全部樓層
本帖最後由 老農民版夜神月 於 2020-6-25 13:41 編輯

JTWC25/0100Z評級Medium
ABIO10 PGTW 250100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN
/OCEAN/REISSUED/250100Z-251800ZJUN2020//
RMKS/
1. NORTH INDIAN OCEAN AREA (MALAY PENINSULA WEST TO COAST OF AFRICA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY: NONE.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH INDIAN OCEAN AREA (135E WEST TO COAST OF AFRICA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) THE AREA OF CONVECTION (INVEST 90S) PREVIOUSLY LOCATED
NEAR 8.3S 77.0E IS NOW LOCATED NEAR 9.3S 79.6E, APPROXIMATELY 443 NM
EAST OF DIEGO GARCIA. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY
DEPICTS FLARING DEEP CONVECTION WITH FORMATIVE BANDING AROUND A LOW
LEVEL CIRCULATION (LLC). A 242016Z AMSR2 89GHZ MICROWAVE IMAGE
REVEALS SHALLOW BUT WELL ORGANIZED LOW LEVEL STRUCTURE. A 241636Z
ASCAT-C PASS INDICATED THE LLC IS ELONGATED WITH 20-25 KNOT WINDS,
AND IS CONSISTENT WITH THE AMSR2 DATA. INVEST 90S IS CURRENTLY IN A
MARGINAL ENVIRONMENT WITH GOOD WESTWARD OUTFLOW, AND WARM (29 TO 30
CELSIUS) SEA SURFACE TEMPERATURES OFFSET BY HIGH (20-25KT) VERTICAL
WIND SHEAR. GLOBAL MODELS INDICATE THAT INVEST 90S WILL REMAIN QUASI-
STATIONARY WITH LIMITED POTENTIAL FOR WEAK DEVELOPMENT, BEFORE
ACCELERATING WESTWARD AND DISSIPATING. MAXIMUM SUSTAINED SURFACE
WINDS ARE ESTIMATED AT 20 TO 25 KNOTS. MINIMUM SEA LEVEL PRESSURE IS
ESTIMATED TO BE NEAR 1003 MB. DUE TO IMPROVING STRUCTURE AND MODEL
DEVELOPMENT, THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT
TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO MEDIUM.
      (2) NO OTHER SUSPECT AREAS.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA 2.B.(1) TO
MEDIUM.//
NNNN
abpwsair.jpg 90S_gefs_latest.png
20200625.0510.himawari-8.vis.90S.INVEST.25kts.1003mb.9.3S.79.8E.100pc.jpg LATEST.jpg
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[LV.10]以壇為家III

老農民版夜神月|2020-6-27 14:43 | 顯示全部樓層
JTWC降評Low
(1) THE AREA OF CONVECTION (INVEST 90S) PREVIOUSLY LOCATED
NEAR 9.4S 79.7E IS NOW LOCATED NEAR 8.6S 76.6E, APPROXIMATELY 260 NM
EAST OF DIEGO GARCIA. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY
DEPICTS FLARING CONVECTION SHEARED 40NM TO THE SOUTH OF A LOW
LEVEL CIRCULATION. A 261257Z SSMIS 91GHZ MICROWAVE IMAGE REVEALS A
SHALLOW, WEAKLY-DEFINED LOW LEVEL STRUCTURE. INVEST 90S IS CURRENTLY
IN A MARGINAL ENVIRONMENT WITH GOOD POLEWARD OUTFLOW AND WARM (28-
29C) SST OFFSET BY HIGH (30-40KT) VWS. GLOBAL MODELS INDICATE THAT
INVEST 90S WILL CONTINUE TRACKING WEST-NORTHWESTWARD INTO EVEN
GREATER VWS AND UNRAVELING. MAXIMUM SUSTAINED SURFACE WINDS ARE
ESTIMATED AT 25 TO 30 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 DOWNGRADED
TO LOW.
abpwsair (8).jpg 20200627.0530.msg-1.vis.90S.INVEST.20kts.1006mb.6.9S.74E.100pc.jpg
20200627.0145.f17.91pct91h91v.90S.INVEST.20kts.1006mb.6.9S.74E.090pc.jpg 20200627.0145.f17.37v.90S.INVEST.20kts.1006mb.6.9S.74E.090pc.jpg
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