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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 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://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 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>


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 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://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://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://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 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://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>http://metnet.imd.gov.in/mausamdocs/26313.pdf {{Bare URL PDF|date=March 2022}}</ref>


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