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BOB 06(92B) 一度發布TCFA 登陸印度

簽到天數: 1650 天

[LV.Master]伴壇終老

2021-11-13 08:32 | 顯示全部樓層
  基本資料  
編號               :92 B
擾動編號日期 :2021 11 13 08
撤編日期        :2021 11 00 00
92B INVEST 211113 0000 10.0N 97.7E IO 15 0

20211113.001000.IO922021.ahi.himawari-8.Infrared-Gray.15kts.100p0.1p0.jpg

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[LV.Master]伴壇終老

老農民版夜神月|2021-11-13 11:46 | 顯示全部樓層
JTWC評級Low abpwsair (41).jpg 20211113.0310.himawari-8.vis.92B.INVEST.20kts.1007mb.9.3N.97.9E.100pc.jpg 20211113.0024.f17.91pct91h91v.92B.INVEST.15kts.1007mb.10N.98E.075pc.jpg 92B_gefs_latest.png

ABIO10 PGTW 130300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN
/REISSUED/130300Z-131800ZNOV2021//
RMKS/
1. NORTH INDIAN OCEAN AREA (MALAY PENINSULA WEST TO COAST OF AFRICA):
   A. TROPICAL CYCLONE SUMMARY: NONE.
   B. TROPICAL DISTURBANCE SUMMARY:
      (1) AN AREA OF CONVECTION (INVEST 92B) HAS PERSISTED NEAR 9.3N
97.9E, APPROXIMATELY 85 NM NORTH-NORTHWEST OF PHUKET, THAILAND.
ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS A BROAD LOW-LEVEL
CIRCULATION (LLC) WITH PERSISTENT DEEP CONVECTION OVER THE CENTER. A
130024Z SSMIS 91GHZ IMAGE SHOWS A DISORGANIZED LLCC DUE TO THE
SYSTEM'S INTERACTION WITH THE MOUNTAINOUS MALAY PENINSULA. RECENT
ASCAT IMAGERY INDICATED SHARP TROUGHING WITH 10-15 KNOT WINDS OVER
THE ANDAMAN SEA AND 15-20 KNOT EASTERLIES OVER THE GULF OF THAILAND.
UPPER-LEVEL CONDITIONS ARE MARGINALLY FAVORABLE WITH MODERATE
EASTERLY VERTICAL WIND SHEAR OFFSET BY BROAD DIFFLUENCE ALOFT.
GLOBAL MODELS INDICATE STEADY DEVELOPMENT AS THE SYSTEM TRACKS OVER
THE ANDAMAN SEA, AWAY FROM LAND, AND TOWARD THE ANDAMAN ISLANDS OVER
THE NEXT 1 TO 2 DAYS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED
AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE
NEAR 1007 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT
TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS LOW.
      (2) NO OTHER SUSPECT AREAS.
   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: NONE.
   C. SUBTROPICAL SYSTEM SUMMARY: NONE.
3. JUSTIFICATION FOR REISSUE: ADDED LOW AREA IN PARAGRAPH 1.B.(1).//
NNNN
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[LV.Master]伴壇終老

老農民版夜神月|2021-11-15 23:24 | 顯示全部樓層
本帖最後由 老農民版夜神月 於 2021-11-15 23:26 編輯

JTWC取消評級
(1) THE AREA OF CONVECTION (INVEST 92B) PREVIOUSLY LOCATED
NEAR 10.2N 91.6E HAS DISSIPATED AND IS NO LONGER SUSPECT FOR THE
DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE IN THE NEXT 24 HOURS.

abpwsair (19).jpg 20211115.1450.himawari-8.ir.92B.INVEST.15kts.1008mb.10.2N.91.6E.100pc.jpg 92B_gefs_latest.png 20211115.0725.gw1.89pct89h89v.92B.INVEST.15kts.1008mb.10N.91.8E.91pc.jpg
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[LV.Master]伴壇終老

老農民版夜神月|2021-11-18 02:20 | 顯示全部樓層
JTWC再評Low
(2) AN AREA OF CONVECTION (INVEST 92B) HAS PERSISTED NEAR
10.6N 83.5E, APPROXIMATELY 242 NM SOUTHEAST OF CHENNAI, INDIA.
ANIMATED ENHANCED INFRARED SATELLITE IMAGERY DEPICTS A LARGE CLUSTER
OF PERSISTENT DEEP CONVECTION OVER THE WESTERN SEMICIRCLE. A 171106Z
SSMIS 91GHZ COLOR COMPOSITE MICROWAVE IMAGE REVEALS A WEAKLY DEFINED
LOW-LEVEL CIRCULATION WITH DISORGANIZED DEEP CONVECTION SHEARED TO
THE WEST. RECENT ASCAT IMAGERY INDICATES AN ELONGATED CIRCULATION
WITH 15 TO 20 KNOT WINDS OVER THE NORTHERN SEMICIRCLE. ENVIRONMENTAL
CONDITIONS ARE MARGINAL WITH MODERATE TO STRONG (20-30 KNOTS)
EASTERLY VERTICAL WIND SHEAR OFFSET SOMEWHAT BY DIFFLUENCE ALOFT.
GLOBAL MODELS INDICATE A WEST-NORTHWESTWARD TRACK WITH SLOW
DEVELOPMENT.  MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO
20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1007
MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL
CYCLONE WITHIN THE NEXT 24 HOURS IS LOW.
abpwsair (43).jpg 20211117.1750.himawari-8.ir.92B.INVEST.15kts.1010mb.11.5N.86.3E.100pc.jpg 20211117.1221.f17.91pct91h91v.92B.INVEST.15kts.1010mb.11.5N.86.3E.075pc.jpg 92B_gefs_latest (1).png
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[LV.Master]伴壇終老

老農民版夜神月|2021-11-18 04:23 | 顯示全部樓層
JTWC18Z升TD
92B INVEST 211117 1800 10.6N 83.5E IO 25 1004
20211117.1529.mtc.ASCAT.wind.92B.INVEST.20kts-1007mb.106N.835E.25km.noqc.jpg 20211117.1950.himawari-8.ir.92B.INVEST.25kts.1004mb.10.6N.83.5E.100pc.jpg
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[LV.Master]伴壇終老

老農民版夜神月|2021-11-18 04:43 | 顯示全部樓層
JTWC於2030Z直接發布TCFA
WTIO21 PGTW 172030
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 10.4N 84.8E TO 12.5N 79.5E 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 25 TO 30 KNOTS. METSAT IMAGERY AT 172000Z
INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 10.6N 83.5E. THE
SYSTEM IS MOVING WESTWARD AT 13 KNOTS.
2. REMARKS: THE AREA OF CONVECTION (INVEST 92B) PREVIOUSLY LOCATED
NEAR 10.6N 83.5E IS NOW LOCATED NEAR 10.6N 83.5E, APPROXIMATELY 242
NM SOUTHEAST OF CHENNAI, INDIA. ANIMATED ENHANCED INFRARED SATELLITE
IMAGERY AND A 171614Z MHS 89GHZ MICROWAVE IMAGE DEPICT A
CONSOLIDATING SYSTEM WITH IMPROVED DEEP CONVECTIVE BANDING OVER THE
WESTERN SEMICIRCLE WRAPPING INTO A DISTINCT LLCC. A 171630Z ASCAT-B
IMAGE INDICATES AN ELONGATED, DEFINED CIRCULATION WITH 25-30 KNOT
WINDS OVER THE WESTERN SEMICIRCLE AND 20-25 KTS OVER THE EASTERN
SEMICIRCLE. ENVIRONMENTAL CONDITIONS ARE MARGINALLY-FAVORABLE WITH
MODERATE (15-20 KNOTS) EASTERLY VERTICAL WIND SHEAR OFFSET SOMEWHAT
BY STRONG DIFFLUENCE ALOFT. GLOBAL MODELS INDICATE A WEST-
NORTHWESTWARD TRACK WITH GRADUAL DEVELOPMENT AS THE SYSTEM
APPROACHES THE SOUTHEASTERN COAST OF INDIA. 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 HIGH.
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY
182030Z.//
NNNN
abpwsair (44).jpg io9221.gif 92B_172030sair.jpg gfs_mslp_pcpn_india_2.png
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[LV.Master]伴壇終老

老農民版夜神月|2021-11-19 00:56 | 顯示全部樓層
IMD編號BoB06
Sub: Depression over southwest Bay of Bengal off north Tamil Nadu coast.
The Depression over southwest Bay of Bengal off north Tamil Nadu coast moved westnorthwestwards with a speed of 18 kmph during past 6 hours and lay centred at 1730 hrs IST of
today, the 18
th November 2021, over southwest Bay of Bengal off north Tamil Nadu coast, near
Lat. 11.8°N and Long. 80.9°E, about 150 km south-southeast of Chennai, 120 km eastsoutheast of Puducherry and 150 km east-northeast of Karaikal . It is very likely to continue to
move west–northwestwards and cross north Tamilnadu & adjoining south Andhra Pradesh
coasts between Puducherry & Chennai by early morning of tomorrow, the 19
th November, 2021.
6_bbf379_cou.png 20211118.1620.himawari-8.ir.92B.INVEST.30kts.1000mb.11.9N.81E.100pc.jpg 20211118.0403.mtc.ASCAT.wind.92B.INVEST.30kts-1000mb.108N.826E.25km.noqc.jpg 20211118.1056.f18.91pct91h91v.92B.INVEST.30kts.1002mb.11.1N.81.6E.085pc.jpg
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老農民版夜神月|2021-11-19 03:11 | 顯示全部樓層
本帖最後由 老農民版夜神月 於 2021-11-20 01:22 編輯

JTWC降評Low
WTIO21 PGTW 181800
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT CANCELLATION//
REF/A/JOINT TYPHOON WRNCEN PEARL HARBOR HI/172021ZNOV21//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. REMARKS: THE AREA OF CONVECTION (INVEST 92B) PREVIOUSLY LOCATED
NEAR 10.6N 83.5E IS NOW LOCATED NEAR 12.3N 80.4E, APPROXIMATELY 45
NM SOUTH OF CHENNAI, INDIA. ANIMATED ENHANCED INFRARED SATELLITE
IMAGERY AND A 181056Z SSMIS 91GHZ MICROWAVE IMAGE DEPICT A FULLY-
EXPOSED LOW-LEVEL CIRCULATION (LLC) WITH DEEP CONVECTION SHEARED
WEST OF THE LLC DUE TO PERSISTENT MODERATE TO STRONG (20-25 KNOTS)
EASTERLY VERTICAL WIND SHEAR. SURFACE OBSERVATIONS FROM CHENNAI
INDICATE EAST-NORTHEASTERLY SUSTAINED WINDS AT 10-15 KNOTS WITH SLP
NEAR 1003MB. INVEST 92B IS MAKING LANDFALL AND GLOBAL MODELS
INDICATE THE SYSTEM CENTER WILL TRACK OVER LAND WITHIN THE NEXT SIX
HOURS AND CONTINUE TRACKING WEST-NORTHWESTWARD WITH STEADY
WEAKENING. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 20 TO 25
KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1002 MB.
THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE
WITHIN THE NEXT 24 HOURS IS DOWNGRADED TO LOW. THIS CANCELS REF A
(WTIO21 PGTW 172030).//
NNNN
io922021.20211119010608.gif
abpwsair (45).jpg 92B_tracks_latest.png 92B_gefs_latest (2).png
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