Cyclone Phyan: Difference between revisions

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{{Infobox Hurricane
{{Short description|North Indian Ocean cyclone in 2009}}
| Name=Cyclonic Storm Phyan (04A)
{{Use mdy dates|date=April 2025}}
| Type=Tropical storm
{{Infobox weather event
| Year=2009
| name=Cyclonic Storm Phyan (04A)
| Basin=NIO
| image=Phyan 2009-11-11 0325Z.jpg
| Image location=Phyan 2009-11-11 0325Z.jpg
| caption=Phyan shortly after landfall on November 11, 2009
| Image name=Phyan shortly after landfall on November 11, 2009
}}{{Infobox weather event/History
| Formed=November 9, 2009
| formed=November 9, 2009
| Dissipated=November 11, 2009
| dissipated=November 11, 2009
| 1-min winds=50
}}{{Infobox weather event/IMD
| 3-min winds=45
| winds=45
| Pressure=988
| pressure=988
| Damages=300
}}{{Infobox weather event/JTWC
| Fatalities=20 direct<ref>{{cite web|url=http://www.emdat.be/disaster-list |title=Archived copy |accessdate=2013-05-09 |url-status=dead |archiveurl=https://web.archive.org/web/20100923101618/http://emdat.be/disaster-list |archivedate=2010-09-23 }}</ref>
| winds=50
| Areas=[[Sri Lanka]], [[India]], [[Pakistan]]
}}{{Infobox weather event/Effects
| Hurricane season=[[2009 North Indian Ocean cyclone season]]
| year=2009
| damage=300000000
| fatalities=20 direct<ref>{{cite web|url=http://www.emdat.be/disaster-list |title=Disaster List &#124; EM-DAT |accessdate=2013-05-09 |url-status=dead |archiveurl=https://web.archive.org/web/20100923101618/http://emdat.be/disaster-list |archivedate=2010-09-23 }}</ref>
| areas=[[Sri Lanka]], [[India]], [[Pakistan]]
}}{{Infobox weather event/Footer
| season=[[2009 North Indian Ocean cyclone season]]
}}
}}


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{{storm path|Phyan 2009 track.png}}
{{storm path|Phyan 2009 track.png}}
      
      
Late on November 4, 2009, the [[Joint Typhoon Warning Center]] (JTWC) reported that an area of [[Atmospheric convection|convection]] had started to deepen around a poorly organized and elongated [[Eye (cyclone)|low level circulation center]] about 340&nbsp;km (210&nbsp;mi), to the southwest of [[Colombo]] in [[Sri Lanka]].<ref name="STWA 04-11-09">{{cite web|url=ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2009110418-ABIO.PGTW|title=Significant Tropical Weather Advisory for the Indian Ocean 2009-11-04 18z|date=2009-11-04|publisher=[[Joint Typhoon Warning Center]]|accessdate=2009-11-10}}{{Dead link|date=July 2019 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> The low level circulation center was located in a region of upper level divergence which was providing a good channel for outflow, however it was also located in an area of moderate to high levels of [[Wind Shear|vertical wind shear]].<ref name="STWA 04-11-09"/> During the next couple of days the disturbance gradually developed whilst moving around a subtropical ridge of pressure before the disturbance moved onshore in India during November 7 and became more marked as it moved out into the warm waters of the [[Arabian Sea]] during the next day.<ref>{{cite web|url=ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2009110518-ABIO.PGTW|title=Significant Tropical Weather Advisory for the Indian Ocean 2009-11-05 18z|date=2009-11-05|publisher=[[Joint Typhoon Warning Center]]|accessdate=2009-11-10}}{{Dead link|date=July 2019 |bot=InternetArchiveBot |fix-attempted=yes }}</ref><ref>{{cite web|url=http://weather.noaa.gov/pub/data/raw/wt/wtin20.dems..txt |title=Tropical Weather Outlook 2009-11-08 06z |date=2009-11-08 |publisher=[[India Meteorological Department]] |accessdate=2009-11-10 |url-status=dead |archiveurl=https://www.webcitation.org/5l7t4Jvoe?url=http://weather.noaa.gov/pub/data/raw/wt/wtin20.dems..txt |archivedate=November 8, 2009 }}</ref><ref name="STWA 08-11-09">{{cite web|url=ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2009110818-ABIO.PGTW|title=Significant Tropical Weather Advisory for the Indian Ocean 2009-11-08 15z|date=2009-11-08|publisher=[[Joint Typhoon Warning Center]]|accessdate=2009-11-10}}{{Dead link|date=July 2019 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> Early on November 9, as a [[Tropical Cyclone Formation Alert]] was issued by the JTWC; the [[India Meteorological Department]] (IMD) reported that the disturbance had become a depression and designated it as Depression ARB 03 as multiple bands of deep convection had started to consolidate around the now well-defined low-level circulation center.<ref name="TCFA">{{cite web|url=ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2009110909-WTIO.PGTW|title=Tropical Cyclone Formation Alert 2009-11-09 09z|date=2009-11-09|publisher=[[Joint Typhoon Warning Center]]|accessdate=2009-11-10}}{{Dead link|date=July 2019 |bot=InternetArchiveBot |fix-attempted=yes }}</ref><ref>{{cite web|url=https://listserv.illinois.edu/wa.cgi?A2%3Dind0911b%26L%3Dwx-tropl%26T%3D0%26X%3D558D791777B97BA4EA%26P%3D25681 |archive-url=https://www.webcitation.org/5lAd1sXiS?url=https://listserv.illinois.edu/wa.cgi?A2=ind0911b&L=wx-tropl&T=0&X=558D791777B97BA4EA&P=25681 |url-status=dead |archive-date=2009-11-10 |title=Special Tropical Weather Outlook for the North Indian Ocean 2009-11-09 12z |date=2009-11-09 |publisher=[[India Meteorological Department]] |accessdate=2009-11-10 }}</ref>
Late on November 4, 2009, the [[Joint Typhoon Warning Center]] (JTWC) reported that an area of [[Atmospheric convection|convection]] had started to deepen around a poorly organized and elongated [[Eye (cyclone)|low level circulation center]] about 340&nbsp;km (210&nbsp;mi), to the southwest of [[Colombo]] in [[Sri Lanka]].<ref name="STWA 04-11-09">{{Cite FTP |url=ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2009110418-ABIO.PGTW|title=Significant Tropical Weather Advisory for the Indian Ocean 2009-11-04 18z|date=2009-11-04|server=[[Joint Typhoon Warning Center]]|url-status=dead|accessdate=2009-11-10}}</ref> The low level circulation center was located in a region of upper level divergence which was providing a good channel for outflow, however it was also located in an area of moderate to high levels of [[Wind Shear|vertical wind shear]].<ref name="STWA 04-11-09"/> During the next couple of days the disturbance gradually developed whilst moving around a subtropical ridge of pressure before the disturbance moved onshore in India during November 7 and became more marked as it moved out into the warm waters of the [[Arabian Sea]] during the next day.<ref>{{Cite FTP |url=ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2009110518-ABIO.PGTW|title=Significant Tropical Weather Advisory for the Indian Ocean 2009-11-05 18z|date=2009-11-05|server=[[Joint Typhoon Warning Center]]|url-status=dead|accessdate=2009-11-10}}</ref><ref>{{cite web|url=http://weather.noaa.gov/pub/data/raw/wt/wtin20.dems..txt |title=Tropical Weather Outlook 2009-11-08 06z |date=2009-11-08 |publisher=[[India Meteorological Department]] |accessdate=2009-11-10 |url-status=dead |archiveurl=https://web.archive.org/web/20090717091810/http://weather.noaa.gov/pub/data/raw/wt/wtin20.dems..txt |archivedate=July 17, 2009 }}</ref><ref name="STWA 08-11-09">{{Cite FTP |url=ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2009110818-ABIO.PGTW|title=Significant Tropical Weather Advisory for the Indian Ocean 2009-11-08 15z|date=2009-11-08|server=[[Joint Typhoon Warning Center]]|url-status=dead|accessdate=2009-11-10}}</ref> Early on November 9, as a [[Tropical Cyclone Formation Alert]] was issued by the JTWC; the [[India Meteorological Department]] (IMD) reported that the disturbance had become a depression and designated it as Depression ARB 03 as multiple bands of deep convection had started to consolidate around the now well-defined low-level circulation center.<ref name="TCFA">{{Cite FTP |url=ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2009110909-WTIO.PGTW|title=Tropical Cyclone Formation Alert 2009-11-09 09z|date=2009-11-09|server=[[Joint Typhoon Warning Center]]|url-status=dead|accessdate=2009-11-10}}</ref><ref>{{cite web|url=https://listserv.illinois.edu/wa.cgi?A2%3Dind0911b%26L%3Dwx-tropl%26T%3D0%26X%3D558D791777B97BA4EA%26P%3D25681 |archive-url=https://archive.today/20240522073648/https://www.webcitation.org/5lAd1sXiS?url=https://listserv.illinois.edu/wa.cgi%3FA2=ind0911b&L=wx-tropl&T=0&X=558D791777B97BA4EA&P=25681 |url-status=dead |archive-date=2024-05-22 |title=Special Tropical Weather Outlook for the North Indian Ocean 2009-11-09 12z |date=2009-11-09 |publisher=[[India Meteorological Department]] |accessdate=2009-11-10 }}</ref>


Later on November 9, the JTWC reported that the depression had intensified into a tropical cyclone, designating it as 04A, with wind speeds equivalent to a tropical storm as organized deep convection increased around a consolidating low level circulation center.<ref name="Ad1">{{cite web|url=ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2009110921-WTIO.PGTW|title=Tropical Cyclone 04A Warning nr 001|date=2009-11-09|publisher=[[Joint Typhoon Warning Center]]|accessdate=2009-11-11}}{{Dead link|date=July 2019 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> Early the next day the IMD reported that the depression had intensified into a Deep Depression as convection organized further. The IMD further reported later that day that the deep depression had reached its peak windspeeds of 65&nbsp;km/h (40&nbsp;mph) <small>3-min sustained,</small> which made it a Cyclonic storm with it being named as Phyan whilst located about 500&nbsp;km (310miles) to the southwest of [[Mumbai]] as it moved into an area of high vertical wind shear.<ref>{{cite web|url=http://202.54.31.9/section/nhac/dynamic/rsmc.htm |title=Special Tropical Weather Outlook for the Northern Indian Ocean 2009-11-10 03z |date=2009-11-10 |publisher=[[India Meteorological Department]] |accessdate=2009-11-11 |url-status=dead |archiveurl=https://www.webcitation.org/5lB7cHBe7?url=http://202.54.31.9/section/nhac/dynamic/rsmc.htm |archivedate=November 10, 2009 }}</ref><ref name="Cwind 2009-11-10 18z">{{cite web|url=http://www.imd.gov.in/section/nhac/dynamic/cwind.htm |title=IMD C-wind Advisory 2009-11-10 18z |date=2009-11-10 |publisher=[[India Meteorological Department]] |accessdate=2009-11-11 |url-status=dead |archiveurl=https://www.webcitation.org/5lBsFK6E5?url=http://www.imd.gov.in/section/nhac/dynamic/cwind.htm |archivedate=November 10, 2009 }}</ref> Early on November 11 the JTWC reported that Phyan had reached its peak intensity of 95&nbsp;km/h (60&nbsp;mph), before the Cyclone made landfall in Maharashtra between Alibagh and Mumbai later that morning.<ref name="RBT">{{cite web|url=https://www.nrlmry.navy.mil//tcdat/tc09/IO/04A.PHYAN/trackfile.txt|title=JTWC Running Best Track|date=2009-11-09|work=[[Joint Typhoon Warning Center]]|publisher=[[United States Naval Research Laboratory]]|accessdate=2009-11-13}}</ref><ref name="Landfall">{{cite web|url=http://202.54.31.9/section/nhac/dynamic/rsmc.htm |title=IMD Tropical Cyclone Warning 2009-11-11 15z |date=2009-11-11 |publisher=[[India Meteorological Department]] |accessdate=2009-11-13 |url-status=dead |archiveurl=https://www.webcitation.org/5lD9V0ZLM?url=http://202.54.31.9/section/nhac/dynamic/rsmc.htm |archivedate=November 11, 2009 }}</ref> Later that day as the low level circulation center had rapidly detached from the deep convection the JTWC issued their final advisory whilst the IMD reported that Phyan had weakened into a depression before downgrading it to a well marked area of low pressure early on November 12.<ref>{{cite web|url=ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2009111115-WTIO.PGTW|title=JTWC Tropical Cyclone 04A Warning nr 08 2009-11-11 15z|date=2009-11-11|publisher=[[Joint Typhoon Warning Center]]|accessdate=2009-11-13}}{{Dead link|date=July 2019 |bot=InternetArchiveBot |fix-attempted=yes }}</ref><ref>{{cite web|url=http://202.54.31.9/section/nhac/dynamic/cwind.htm |title=IMD C-Wind Advisory 2009-11-11 18z |date=2009-11-11 |publisher=[[India Meteorological Department]] |accessdate=2009-11-13 |url-status=dead |archiveurl=https://www.webcitation.org/5lDPwO4mh?url=http://202.54.31.9/section/nhac/dynamic/cwind.htm |archivedate=November 11, 2009 }}</ref><ref>{{cite web|url=http://202.54.31.9/section/nhac/dynamic/cwind.htm |title=IMD C-Wind Advisory 2009-11-12 00z |date=2009-11-12 |publisher=[[India Meteorological Department]] |accessdate=2009-11-13 |url-status=dead |archiveurl=https://www.webcitation.org/5lDntk42a?url=http://202.54.31.9/section/nhac/dynamic/cwind.htm |archivedate=November 12, 2009 }}</ref>
Later on November 9, the JTWC reported that the depression had intensified into a tropical cyclone, designating it as 04A, with wind speeds equivalent to a tropical storm as organized deep convection increased around a consolidating low level circulation center.<ref name="Ad1">{{Cite FTP |url=ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2009110921-WTIO.PGTW|title=Tropical Cyclone 04A Warning nr 001|date=2009-11-09|server=[[Joint Typhoon Warning Center]]|url-status=dead|accessdate=2009-11-11}}</ref> Early the next day the IMD reported that the depression had intensified into a Deep Depression as convection organized further. The IMD further reported later that day that the deep depression had reached its peak windspeeds of 65&nbsp;km/h (40&nbsp;mph) <small>3-min sustained,</small> which made it a Cyclonic storm with it being named as Phyan whilst located about 500&nbsp;km (310miles) to the southwest of [[Mumbai]] as it moved into an area of high vertical wind shear.<ref>{{cite web|url=http://202.54.31.9/section/nhac/dynamic/rsmc.htm |title=Special Tropical Weather Outlook for the Northern Indian Ocean 2009-11-10 03z |date=2009-11-10 |publisher=[[India Meteorological Department]] |accessdate=2009-11-11 |url-status=dead |archiveurl=https://web.archive.org/web/20081024125148/http://202.54.31.9/section/nhac/dynamic/rsmc.htm |archivedate=October 24, 2008 }}</ref><ref name="Cwind 2009-11-10 18z">{{cite web|url=http://www.imd.gov.in/section/nhac/dynamic/cwind.htm |title=IMD C-wind Advisory 2009-11-10 18z |date=2009-11-10 |publisher=[[India Meteorological Department]] |accessdate=2009-11-11 |url-status=dead |archiveurl=https://web.archive.org/web/20100306053103/http://imd.gov.in/section/nhac/dynamic/cwind.htm |archivedate=March 6, 2010 }}</ref> Early on November 11 the JTWC reported that Phyan had reached its peak intensity of 95&nbsp;km/h (60&nbsp;mph), before the Cyclone made landfall in Maharashtra between Alibagh and Mumbai later that morning.<ref name="RBT">{{cite web|url=https://science.nrlmry.navy.mil/geoips/tcdat/tc09/IO/04A.PHYAN/trackfile.txt|title=JTWC Running Best Track|date=2009-11-09|work=[[Joint Typhoon Warning Center]]|publisher=[[United States Naval Research Laboratory]]|access-date=2009-11-13}}</ref><ref name="Landfall">{{cite web|url=http://202.54.31.9/section/nhac/dynamic/rsmc.htm |title=IMD Tropical Cyclone Warning 2009-11-11 15z |date=2009-11-11 |publisher=[[India Meteorological Department]] |accessdate=2009-11-13 |url-status=dead |archiveurl=https://web.archive.org/web/20081024125148/http://202.54.31.9/section/nhac/dynamic/rsmc.htm |archivedate=October 24, 2008 }}</ref> Later that day as the low level circulation center had rapidly detached from the deep convection the JTWC issued their final advisory whilst the IMD reported that Phyan had weakened into a depression before downgrading it to a well marked area of low pressure early on November 12.<ref>{{Cite FTP |url=ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2009111115-WTIO.PGTW|title=JTWC Tropical Cyclone 04A Warning nr 08 2009-11-11 15z|date=2009-11-11|server=[[Joint Typhoon Warning Center]]|url-status=dead|accessdate=2009-11-13}}</ref><ref>{{cite web|url=http://202.54.31.9/section/nhac/dynamic/cwind.htm |title=IMD C-Wind Advisory 2009-11-11 18z |date=2009-11-11 |publisher=[[India Meteorological Department]] |accessdate=2009-11-13 |url-status=dead |archiveurl=https://web.archive.org/web/20081025092151/http://202.54.31.9/section/nhac/dynamic/cwind.htm |archivedate=October 25, 2008 }}</ref><ref>{{cite web|url=http://202.54.31.9/section/nhac/dynamic/cwind.htm |title=IMD C-Wind Advisory 2009-11-12 00z |date=2009-11-12 |publisher=[[India Meteorological Department]] |accessdate=2009-11-13 |url-status=dead |archiveurl=https://web.archive.org/web/20081025092151/http://202.54.31.9/section/nhac/dynamic/cwind.htm |archivedate=October 25, 2008 }}</ref>


==Preparations and impact==
==Preparations and impact==
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As the IMD upgraded the depression to Cyclonic Storm Phyan, they warned the states of Gujarat and Maharashtra to expect extremely heavy rainfall of over 25&nbsp;cm, (9.84&nbsp;inches), over South Gujarat and North Maharashtra whilst squally winds of 70–75&nbsp;km/h were expected along and off the coasts of Karnataka, Goa and Maharashtra.<ref name="Cwind 2009-11-10 18z"/> Fishermen were advised not to venture into the sea along and off these coasts as the sea condition would be very rough.<ref name="Cwind 2009-11-10 18z"/>
As the IMD upgraded the depression to Cyclonic Storm Phyan, they warned the states of Gujarat and Maharashtra to expect extremely heavy rainfall of over 25&nbsp;cm, (9.84&nbsp;inches), over South Gujarat and North Maharashtra whilst squally winds of 70–75&nbsp;km/h were expected along and off the coasts of Karnataka, Goa and Maharashtra.<ref name="Cwind 2009-11-10 18z"/> Fishermen were advised not to venture into the sea along and off these coasts as the sea condition would be very rough.<ref name="Cwind 2009-11-10 18z"/>


Massive damage to property was reported in the districts of [[Ratnagiri District|Ratnagiri]], [[Raigad District|Raigad]], [[Sindhudurg District|Sindhudurg]], [[Thane District|Thane]] and Palghar. In [[Navi Mumbai]] [[Australian cricket team in India in 2009-10#7th ODI|the 7th one-day international cricket match between India and Australia]] was abandoned after Cyclone Phyan brought heavy rain to Mumbai.<ref>{{cite web|url=http://www.dnaindia.com/mumbai/report_phyan-aftermath-search-for-missing-still-on-says-chavan_1310836 |title=Phyan aftermath: Search for missing still on, says Chavan |date=2009-11-12 |publisher=DNA India |accessdate=2009-11-13 |url-status=dead |archiveurl=https://www.webcitation.org/5lGBzQwKx?url=http://www.dnaindia.com/mumbai/report_phyan-aftermath-search-for-missing-still-on-says-chavan_1310836 |archivedate=November 13, 2009 }}</ref><ref name="ODI">{{cite web|url=http://cricket.com.au/default.aspx?s%3Dnews-display%26id%3D18651 |archive-url=https://www.webcitation.org/5lGBbTivC?url=http://cricket.com.au/default.aspx?s=news-display&id=18651 |url-status=dead |archive-date=2009-11-13 |title=Last ODI washed out |date=2009-11-12 |publisher=[[Cricket Australia]] |accessdate=2009-11-13 }}</ref>
Massive damage to property was reported in the districts of [[Ratnagiri District|Ratnagiri]], [[Raigad District|Raigad]], [[Sindhudurg District|Sindhudurg]], [[Thane District|Thane]] and [[Palghar]]. In [[Navi Mumbai]] [[Australian cricket team in India in 2009-10#7th ODI|the 7th one-day international cricket match between India and Australia]] was abandoned after Cyclone Phyan brought heavy rain to Mumbai.<ref>{{cite web|url=http://www.dnaindia.com/mumbai/report_phyan-aftermath-search-for-missing-still-on-says-chavan_1310836 |title=Phyan aftermath: Search for missing still on, says Chavan |date=2009-11-12 |publisher=DNA India |accessdate=2009-11-13 |url-status=dead |archiveurl=https://web.archive.org/web/20091114064650/http://www.dnaindia.com/mumbai/report_phyan-aftermath-search-for-missing-still-on-says-chavan_1310836 |archivedate=November 14, 2009 }}</ref><ref name="ODI">{{cite web|url=http://cricket.com.au/default.aspx?s%3Dnews-display%26id%3D18651 |archive-url=https://web.archive.org/web/20110314154053/http://cricket.com.au/default.aspx?s=news-display&id=18651 |url-status=dead |archive-date=2011-03-14 |title=Last ODI washed out |date=2009-11-12 |publisher=[[Cricket Australia]] |accessdate=2009-11-13 }}</ref>


As a tropical disturbance, Phyan caused heavy rainfall in Tamil Nadu. Kethi in Nilgiris district of Tamil Nadu recorded 82&nbsp;cm of rainfall in 24 hours, beating the previous 24‑hour rainfall record for Tamil Nadu. Kethi recorded 1171&nbsp;mm of rainfall in 72 hours, making it the 5th wettest cyclone in India.<ref>http://metnet.imd.gov.in/mausamdocs/26313.pdf</ref>
As a tropical disturbance, Phyan caused heavy rainfall in Tamil Nadu. Kethi in Nilgiris district of Tamil Nadu recorded 82&nbsp;cm of rainfall in 24 hours, beating the previous 24‑hour rainfall record for Tamil Nadu. Kethi recorded 1171&nbsp;mm of rainfall in 72 hours, making it the 5th wettest cyclone in India.<ref>{{cite journal |journal=MAUSAM |volume=63 |issue=1 |date=January 2012 |last1=Kulandaivelu |first1=E. |last2=Guhan |first2=M. V. |title=Record Rainfall over Ketty Valley, Nilgiri, Tamil Nadu |url=http://metnet.imd.gov.in/mausamdocs/26313.pdf |archive-url=https://web.archive.org/web/20130412040852/http://metnet.imd.gov.in/mausamdocs/26313.pdf |archive-date=2013-04-12 |pages=165{{endash}}167 |url-status=dead}}</ref>


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==External links==
==External links==
*[https://web.archive.org/web/20150517005046/http://www.imd.gov.in/section/nhac/dynamic/cyclone.htm India Meteorological Department]
*[https://web.archive.org/web/20150517005046/http://www.imd.gov.in/section/nhac/dynamic/cyclone.htm India Meteorological Department]
*[http://www.usno.navy.mil/JTWC Joint Typhoon Warning Center]
*[http://www.usno.navy.mil/JTWC Joint Typhoon Warning Center] {{Webarchive|url=https://web.archive.org/web/20100301105349/http://www.usno.navy.mil/JTWC |date=2010-03-01 }}
{{2009 North Indian Ocean cyclone season buttons}}
{{2009 North Indian Ocean cyclone season buttons}}
{{Disasters in India in 2009}}
{{Disasters in India in 2009}}
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[[Category:2009 disasters in India]]
[[Category:2009 disasters in India]]
[[Category:Natural disasters in Maharashtra]]
[[Category:Natural disasters in Maharashtra]]
[[Category:November 2009 events in Asia]]
[[Category:November 2009 in Asia]]

Latest revision as of 15:11, 27 May 2025


Template:Infobox weather eventTemplate:Infobox weather event/HistoryTemplate:Infobox weather event/IMDTemplate:Infobox weather event/JTWCTemplate:Infobox weather event/EffectsTemplate:Infobox weather event/Footer

Cyclonic Storm Phyan developed as a tropical disturbance to the southwest of Colombo in Sri Lanka on November 4, 2009. Over the next couple of days, the disturbance gradually developed before weakening as it made landfall on Southern India on November 7. After the disturbance emerged into the Arabian Sea, it rapidly became more of a concern to the India Meteorological Department (IMD) reporting early on November 9 that the disturbance had intensified into a Depression, and designated it as Depression ARB 03 whilst the Joint Typhoon Warning Center (JTWC) issued a Tropical Cyclone Formation Alert. Later that day, the JTWC designated the system as Cyclone 04A. During the next day, the Depression turned towards the northeast the IMD reported that it had intensified into a Cyclonic Storm and named it as Phyan.

Meteorological history[edit | edit source]

Template:Storm path

Late on November 4, 2009, the Joint Typhoon Warning Center (JTWC) reported that an area of convection had started to deepen around a poorly organized and elongated low level circulation center about 340 km (210 mi), to the southwest of Colombo in Sri Lanka.[1] The low level circulation center was located in a region of upper level divergence which was providing a good channel for outflow, however it was also located in an area of moderate to high levels of vertical wind shear.[1] During the next couple of days the disturbance gradually developed whilst moving around a subtropical ridge of pressure before the disturbance moved onshore in India during November 7 and became more marked as it moved out into the warm waters of the Arabian Sea during the next day.[2][3][4] Early on November 9, as a Tropical Cyclone Formation Alert was issued by the JTWC; the India Meteorological Department (IMD) reported that the disturbance had become a depression and designated it as Depression ARB 03 as multiple bands of deep convection had started to consolidate around the now well-defined low-level circulation center.[5][6]

Later on November 9, the JTWC reported that the depression had intensified into a tropical cyclone, designating it as 04A, with wind speeds equivalent to a tropical storm as organized deep convection increased around a consolidating low level circulation center.[7] Early the next day the IMD reported that the depression had intensified into a Deep Depression as convection organized further. The IMD further reported later that day that the deep depression had reached its peak windspeeds of 65 km/h (40 mph) 3-min sustained, which made it a Cyclonic storm with it being named as Phyan whilst located about 500 km (310miles) to the southwest of Mumbai as it moved into an area of high vertical wind shear.[8][9] Early on November 11 the JTWC reported that Phyan had reached its peak intensity of 95 km/h (60 mph), before the Cyclone made landfall in Maharashtra between Alibagh and Mumbai later that morning.[10][11] Later that day as the low level circulation center had rapidly detached from the deep convection the JTWC issued their final advisory whilst the IMD reported that Phyan had weakened into a depression before downgrading it to a well marked area of low pressure early on November 12.[12][13][14]

Preparations and impact[edit | edit source]

Template:Wettest tropical cyclones in India As the IMD upgraded the depression to Cyclonic Storm Phyan, they warned the states of Gujarat and Maharashtra to expect extremely heavy rainfall of over 25 cm, (9.84 inches), over South Gujarat and North Maharashtra whilst squally winds of 70–75 km/h were expected along and off the coasts of Karnataka, Goa and Maharashtra.[9] Fishermen were advised not to venture into the sea along and off these coasts as the sea condition would be very rough.[9]

Massive damage to property was reported in the districts of Ratnagiri, Raigad, Sindhudurg, Thane and Palghar. In Navi Mumbai the 7th one-day international cricket match between India and Australia was abandoned after Cyclone Phyan brought heavy rain to Mumbai.[15][16]

As a tropical disturbance, Phyan caused heavy rainfall in Tamil Nadu. Kethi in Nilgiris district of Tamil Nadu recorded 82 cm of rainfall in 24 hours, beating the previous 24‑hour rainfall record for Tamil Nadu. Kethi recorded 1171 mm of rainfall in 72 hours, making it the 5th wettest cyclone in India.[17]

See also[edit | edit source]

References[edit | edit source]

  1. ↑ 1.0 1.1 Template:Cite FTP
  2. ↑ Template:Cite FTP
  3. ↑ "Tropical Weather Outlook 2009-11-08 06z". India Meteorological Department. November 8, 2009. Archived from the original on July 17, 2009. Retrieved November 10, 2009.
  4. ↑ Template:Cite FTP
  5. ↑ Template:Cite FTP
  6. ↑ "Special Tropical Weather Outlook for the North Indian Ocean 2009-11-09 12z". India Meteorological Department. November 9, 2009. Retrieved November 10, 2009.{{cite web}}: CS1 maint: deprecated archival service (link)
  7. ↑ Template:Cite FTP
  8. ↑ "Special Tropical Weather Outlook for the Northern Indian Ocean 2009-11-10 03z". India Meteorological Department. November 10, 2009. Archived from the original on October 24, 2008. Retrieved November 11, 2009.
  9. ↑ 9.0 9.1 9.2 "IMD C-wind Advisory 2009-11-10 18z". India Meteorological Department. November 10, 2009. Archived from the original on March 6, 2010. Retrieved November 11, 2009.
  10. ↑ "JTWC Running Best Track". Joint Typhoon Warning Center. United States Naval Research Laboratory. November 9, 2009. Retrieved November 13, 2009.
  11. ↑ "IMD Tropical Cyclone Warning 2009-11-11 15z". India Meteorological Department. November 11, 2009. Archived from the original on October 24, 2008. Retrieved November 13, 2009.
  12. ↑ Template:Cite FTP
  13. ↑ "IMD C-Wind Advisory 2009-11-11 18z". India Meteorological Department. November 11, 2009. Archived from the original on October 25, 2008. Retrieved November 13, 2009.
  14. ↑ "IMD C-Wind Advisory 2009-11-12 00z". India Meteorological Department. November 12, 2009. Archived from the original on October 25, 2008. Retrieved November 13, 2009.
  15. ↑ "Phyan aftermath: Search for missing still on, says Chavan". DNA India. November 12, 2009. Archived from the original on November 14, 2009. Retrieved November 13, 2009.
  16. ↑ "Last ODI washed out". Cricket Australia. November 12, 2009. Archived from the original on March 14, 2011. Retrieved November 13, 2009.
  17. ↑ Kulandaivelu, E.; Guhan, M. V. (January 2012). "Record Rainfall over Ketty Valley, Nilgiri, Tamil Nadu" (PDF). MAUSAM. 63 (1): 165–167. Archived from the original (PDF) on April 12, 2013.

External links[edit | edit source]

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