Timeline of the 2009 North Indian Ocean cyclone season explained

This is a timeline of the 2009 North Indian Ocean cyclone season, which contains details of when a depression forms, strengthens, weakens, makes landfalls, and dissipates during the 2009 North Indian Ocean cyclone season. It also includes information from post-storm analysis by the Joint Typhoon Warning Center (JTWC), and the India Meteorological Department (IMD) who run the Regional Specialized Meteorological Center in New Delhi, India. RSMC New Delhi's area of responsibility is officially between 45°E and 100E which is east of the Horn of Africa and west of the Malay Peninsula. There are two main seas within the North Indian Ocean, the Arabian Sea and the Bay of Bengal. For storms, these are abbreviated as BOB and ARB by the IMD.

So far this season there have been four depressions that have formed; three in the Bay of Bengal and one in the Arabian Sea. Three of the depressions have intensified further with two becoming cyclonic storms with the names Bijli and Aila being assigned to them, whilst the other depression became a Deep Depression. Aila intensified further and peaked as a Severe Cyclonic Storm.

Timeline of events

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DateFormat = dd/mm/yyyyPeriod = from:01/04/2009 till:01/01/2010TimeAxis = orientation:horizontalScaleMinor = grid:black unit:month increment:1 start:01/04/2009

Colors = id:canvas value:gray(0.88) id:GP value:red id:TD value:rgb(0,0.52,0.84) legend:Depression_(31–50_km/h) id:DD value:rgb(0.43,0.76,0.92) legend:Deep_Depression_(51–62_km/h) id:TS value:rgb(0.3,1,1) legend:Cyclonic_Storm_(63–88_km/h) id:ST value:rgb(0.75,1,0.75) legend:Severe_Cyclonic_Storm_(89–117_km/h) id:VS value:rgb(1,0.85,0.55) legend:Very_Severe_Cyclonic_Storm_(118–165_km/h) id:ES value:rgb(1,0.45,0.54) legend:Extremely_Severe_Cyclonic_Storm_(166–220_km/h) id:SU value:rgb(0.55,0.46,0.9) legend:Super_Cyclonic_Storm_(≥221_km/h)

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BarData = barset:Hurricane bar:Month

PlotData= barset:Hurricane width:10 align:left fontsize:S shift:(4,-4) anchor:till from:14/04/2009 till:17/04/2009 color:TS text:Bijli (CS) from:23/05/2009 till:26/05/2009 color:ST text:Aila (SCS) from:23/06/2009 till:26/06/2009 color:TD text:ARB 01 (D) from:25/06/2009 till:26/06/2009 color:TD text:ARB 02 (D) from:20/07/2009 till:21/07/2009 color:TD text:BOB 03 (DD) from:03/09/2009 till:06/09/2009 color:TD text:BOB 04 (DD) from:04/11/2009 till:11/11/2009 color:TS text:Phyan (CS) from:10/12/2009 till:16/12/2009 color:TS text:Ward (CS) bar:Month width:5 align:center fontsize:S shift:(0,-20) anchor:middle color:canvas

from:01/04/2009 till:01/05/2009 text:April from:01/05/2009 till:01/06/2009 text:May from:01/06/2009 till:01/07/2009 text:June from:01/07/2009 till:01/08/2009 text:July from:01/08/2009 till:01/09/2009 text:August from:01/09/2009 till:01/10/2009 text:September from:01/10/2009 till:01/11/2009 text:October from:01/11/2009 till:30/11/2009 text:November from:01/12/2009 till:01/01/2010 text:December

January

January 1

April

April 14
April 15
  • 0600 UTC (1130 IST) – The IMD reports that Depression BOB01 has intensified into a deep depression.[2]
  • 1200 UTC (1730 IST) – The IMD reports that Deep Depression BOB01 has intensified into a Cyclonic Storm and names it as Bijli.[3]
    April 17
  • 0900 UTC (1430 IST) – The IMD reports that Cyclonic Storm Bijli has weakened into a deep depression.[4]
  • 1200 UTC (1730 IST) – The IMD reports that Deep Depression Bijli has weakened into a depression.[5]
  • 1800 UTC (2330 IST) – The IMD reports that Depression Bijli, has made landfall near Chittagong, Bangladesh.[6]
  • 1800 UTC (2330 IST) – The IMD reports that Depression Bijli, has weakened into a well marked low-pressure area and issues its final advisory.[6]

    May

    May 23
  • 0600 UTC (1130 IST) – The IMD reports that Depression BOB02, has formed over the western Bay of Bengal.[7]
    May 24
  • 0300 UTC (0830 IST) – The IMD reports that Depression BOB02 to a deep depression.[7]
  • 1200 UTC (1730 IST) – The IMD reports that Deep Depression BOB02 to a Cyclonic Storm and names it as Aila.[7]
    May 25
  • 0600 UTC (1130 IST) – The IMD reports that Cyclonic Storm Aila has intensified to a Severe Cyclonic Storm.[7]
  • 0900 UTC (1430 IST) – The IMD reports that Severe Cyclonic Storm Aila has made landfall near Sagar Island, in India.[7]
  • 1500 UTC (2030 IST) – The IMD reports that Severe Cyclonic Storm Aila has weakened into a cyclonic storm.[7]
    May 26
  • 0300 UTC (0830 IST) – The IMD reports that Cyclonic Storm Aila has weakened into a deep depression.[7]
  • 0600 UTC (1130 IST) – The IMD reports that Deep Depression Aila has weakened into a depression.[7]
  • 0900 UTC (1430 IST) – The IMD reports that Depression Aila has weakened into a well marked low-pressure area.[7]

    June

    June 23
  • 0000 UTC (0530 IST) – The IMD reports that Depression ARB01 has formed over the central Arabian Sea to the west of Mumbai, India.[8]
  • 1500 UTC (2030 IST) – The IMD reports that Depression ARB01 has made its first landfall on the south Gujarat coast.
    June 24
  • 0300 UTC (0830 IST) – The IMD reports that Depression ARB01 to a well marked low-pressure area and issues its final advisory.[9]
    June 25
  • 0900 UTC (1430 IST) – The IMD reports that Depression ARB01 has emerged into the northeast Arabian Sea and regenerated.[10]
    June 26
  • 0000 UTC (0530 IST) – The IMD reports that Depression ARB01-2009 has weakened into an area of low pressure.

    July

    July 20
  • 0300 UTC (0830 IST) – The IMD reports that Depression BOB03 has formed in the northwest Bay of Bengal.[11]
  • 1200 UTC (1730 IST) – The IMD reports that Depression BOB03 has intensified into a deep depression.[12]
  • c1600–1700 UTC (2130–2230 IST) – Deep Depression BOB03 makes landfall between Balasore and Digha.[13]
    July 21
  • 0600 UTC (1030 IST) – The IMD reports that Deep Depression BOB03 has weakened into a Depression.[14]
  • 1100 UTC (1430 IST) – The IMD reports that Depression BOB03 has weakened into a low-pressure area, and issues their final advisory.[15]

    November

    November 9
  • 0900 UTC (1430 IST) – The IMD designates a low-pressure area west of Amini Divi, India as Depression ARB03-2009.
    November 10
  • 0300 UTC (0830 IST) – The IMD upgrades Depression ARB03-2009 to a deep depression.
  • 1800 UTC (2330 IST) – The IMD upgrades Deep Depression ARB03 to a Cyclonic Storm and names it as Phyan.
    November 11
  • c1030 UTC (1600 IST) – Cyclonic Storm Phyan makes landfall in Maharashtra between Alibagh and Mumbai
  • 1200 UTC (1730 IST) – The IMD downgrades Cyclonic Storm Phyan to a deep depression.
  • 1800 UTC (2330 IST) – The IMD downgrades Deep Depression, Former Phyan to a depression.
    November 12
  • 0000 UTC (0530 IST) – The IMD downgrades Depression, Former Phyan to a well marked low-pressure area and issues its final bulletin on the system.

    December

    December 10
    December 11
    December 12
    December 14
    December 16

    See also

    External links

    Notes and References

    1. Web site: IMD C Wind Advisory 14-04-2009 10z . 2009-04-14 . . 2009-07-21 . unfit . https://web.archive.org/web/20090130110745/http://imd.gov.in/section/nhac/dynamic/cwind.htm . January 30, 2009 .
    2. Web site: IMD C Wind Advisory 15-04-2009 10z . 2009-04-15 . . 2009-07-21 . unfit . https://web.archive.org/web/20090130110745/http://imd.gov.in/section/nhac/dynamic/cwind.htm . January 30, 2009 .
    3. Web site: 2009-04-15 . IMD C Wind Advisory 15-04-2009 15z . . 2009-07-21 . unfit . https://web.archive.org/web/20090130110745/http://imd.gov.in/section/nhac/dynamic/cwind.htm . January 30, 2009 .
    4. Web site: 2009-04-17 . IMD Tropical Cyclone Advisory 17-04-2009 12z . . 2009-07-21 . unfit . https://web.archive.org/web/20090130110756/http://imd.gov.in/section/nhac/dynamic/rsmc.htm . January 30, 2009 .
    5. Web site: 2009-04-17 . IMD Tropical Cyclone Advisory 17-04-2009 15z . . 2009-07-21 . unfit . https://web.archive.org/web/20161222210153/http://www.geocities.com/rattleman123456/RSMC-Missing.html . December 22, 2016 .
    6. Web site: 2009-04-17 . IMD Tropical Cyclone Advisory 17-04-2009 18z . . 2009-07-21 . unfit . https://web.archive.org/web/20081024125148/http://202.54.31.9/section/nhac/dynamic/rsmc.htm . October 24, 2008 .
    7. Web site: Severe Cyclonic Storm Aila . 2009 . . 2009-07-21 . unfit . https://web.archive.org/web/20090612053917/http://www.imd.gov.in/section/nhac/dynamic/aila.pdf . June 12, 2009 .
    8. Web site: IMD C Wind Advisory 23-06-2009 10z . 2009-06-23 . . 2009-07-21 . unfit . https://web.archive.org/web/20090130110745/http://imd.gov.in/section/nhac/dynamic/cwind.htm . January 30, 2009 .
    9. Web site: IMD C Wind Advisory 24-06-2009 12z . 2009-06-24 . . 2009-07-21 . unfit . https://web.archive.org/web/20090130110745/http://imd.gov.in/section/nhac/dynamic/cwind.htm . January 30, 2009 .
    10. Web site: 2009-06-25. [ftp://ftp.met.fsu.edu/pub/weather/tropical/New-Delhi/2009062512.DEMS Tropical Weather Advisory 25-07-2009 12z]. India Meteorological Department. 2009-07-21.
    11. Web site: 2009-07-20. [ftp://ftp.met.fsu.edu/pub/weather/tropical/New-Delhi/2009072007.DEMS Tropical Weather Advisory 20-07-2009 07z]. India Meteorological Department. 2009-07-21.
    12. Web site: IMD C Wind Advisory 20-07-2009 12z . 2009-07-20 . . 2009-07-21 . unfit . https://web.archive.org/web/20090130110745/http://imd.gov.in/section/nhac/dynamic/cwind.htm . January 30, 2009 .
    13. Web site: IMD C Wind Advisory 20-07-2009 18z . 2009-07-20 . . 2009-07-21 . unfit . https://web.archive.org/web/20090130110745/http://imd.gov.in/section/nhac/dynamic/cwind.htm . January 30, 2009 .
    14. Web site: IMD C Wind Advisory 21-07-2009 06z . 2009-07-21 . . 2009-07-21 . unfit . https://web.archive.org/web/20090130110745/http://imd.gov.in/section/nhac/dynamic/cwind.htm . January 30, 2009 .
    15. Web site: IMD C Wind Advisory 21-07-2009 11z . 2009-07-21 . . 2009-07-21 . unfit . https://web.archive.org/web/20090130110745/http://imd.gov.in/section/nhac/dynamic/cwind.htm . January 30, 2009 .

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