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== Meteorological history ==
== Meteorological history ==
{{Storm path|Nangka 2020 track.png}}
{{Storm path|Nangka 2020 track.png}}
On October 11, the JMA began tracking a tropical depression off the west coast of [[Luzon]].<ref>{{Cite web|last=|first=|date=2020-10-11|title=Tropical Cyclone Information|url=https://www.jma.go.jp/en/typh/c.html|url-status=dead|archive-url=|archive-date=|access-date=|website=[[Japan Meteorological Agency]]}}</ref> The [[PAGASA]] declared the system as a tropical depression at 12:00 UTC, and since the storm formed inside of the [[Philippine Area of Responsibility]] (PAR) the agency named the system ''Nika''.<ref>{{Cite web|last=|first=|date=2020-10-11|title=Severe Weather Bulletin #1 for Tropical Depression Nika|url=http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf|url-status=dead|archive-url=https://web.archive.org/web/20201011154612/http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf|archive-date=2020-10-11|access-date=2020-10-11|website=[[PAGASA]]}}</ref> On the same day at 21:00, the JTWC began issuing warnings on the system.<ref>{{Cite web|last=|first=|date=2020-10-11|title=Tropical Depression 18W (Eighteen) Warning No. 1|url=https://www.metoc.navy.mil/jtwc/products/wp1820web.txt|url-status=dead|archive-url=https://wiki.chlod.net/jtwc/text/2020-10-12-0250-wp1820web.txt|archive-date=2020-10-12|access-date=2020-10-12|website=[[Joint Typhoon Warning Center]]}}</ref> On October 12, the system was declared a tropical storm by the JMA, and was named ''Nangka''.<ref>{{Cite web|last=|first=|date=2020-10-12|title=Tropical Cyclone Information|url=https://www.jma.go.jp/en/typh/2016.html|url-status=dead|archive-url=https://web.archive.org/web/20201012075453/https://www.jma.go.jp/en/typh/2016.html|archive-date=2020-10-12|access-date=2020-10-12|website=[[Japan Meteorological Agency]]}}</ref> At 9:00, the system left the PAR and the PAGASA issued its final bulletin on the system.<ref>{{Cite web|last=|first=|date=2020-10-12|title=Sever Weather Bulletin #3-FINAL for Tropical Storm "Nika" (Nangka)|url=http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf|url-status=dead|archive-url=https://web.archive.org/web/20201012100740/http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf|archive-date=2020-10-12|access-date=2020-10-12|website=[[PAGASA]]}}</ref> At 19:20 CST (11:20 UTC) on October 13, Nangka made landfall over [[Qionghai]], [[Hainan]].<ref>{{cite web |title=中央气象台10月13日19时20分发布台风登陆消息 |url=http://www.nmc.cn/publish/typhoon/warning.html |publisher=National Meteorological Center of CMA |accessdate=13 October 2020 |archiveurl=https://archive.today/2020.10.13-134418/http://www.nmc.cn/publish/typhoon/warning.html |archivedate=13 October 2020 |language=Chinese |date=13 October 2020}}</ref> The system dissipated on October 14, 2020.
On October 11, 2020, the [[Japan Meteorological Agency]] (JMA) began tracking a tropical depression off the west coast of [[Luzon]].<ref>{{Cite web|last=|first=|date=2020-10-11|title=Tropical Cyclone Information|url=https://www.jma.go.jp/en/typh/c.html|url-status=dead|archive-url=|archive-date=|access-date=|website=[[Japan Meteorological Agency]]}}</ref> The [[PAGASA]] declared the system as a tropical depression at 12:00 UTC, and since the storm formed inside of the [[Philippine Area of Responsibility]] (PAR) the agency named the system ''Nika''.<ref>{{Cite web|last=|first=|date=2020-10-11|title=Severe Weather Bulletin #1 for Tropical Depression Nika|url=http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf|url-status=dead|archive-url=https://web.archive.org/web/20201011154612/http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf|archive-date=2020-10-11|access-date=2020-10-11|website=[[PAGASA]]}}</ref> On the same day at 21:00, the [[Joint Typhoon Warning Center]] began issuing warnings on the system.<ref>{{Cite web|last=|first=|date=2020-10-11|title=Tropical Depression 18W (Eighteen) Warning No. 1|url=https://www.metoc.navy.mil/jtwc/products/wp1820web.txt|url-status=dead|archive-url=https://wiki.chlod.net/jtwc/text/2020-10-12-0250-wp1820web.txt|archive-date=2020-10-12|access-date=2020-10-12|website=[[Joint Typhoon Warning Center]]}}</ref> On October 12, the system was declared a tropical storm by the JMA, and was named ''Nangka''.<ref>{{Cite web|last=|first=|date=2020-10-12|title=Tropical Cyclone Information|url=https://www.jma.go.jp/en/typh/2016.html|url-status=dead|archive-url=https://web.archive.org/web/20201012075453/https://www.jma.go.jp/en/typh/2016.html|archive-date=2020-10-12|access-date=2020-10-12|website=[[Japan Meteorological Agency]]}}</ref> At 9:00, the system left the PAR and the PAGASA issued its final bulletin on the system.<ref>{{Cite web|last=|first=|date=2020-10-12|title=Sever Weather Bulletin #3-FINAL for Tropical Storm "Nika" (Nangka)|url=http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf|url-status=dead|archive-url=https://web.archive.org/web/20201012100740/http://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin.pdf|archive-date=2020-10-12|access-date=2020-10-12|website=[[PAGASA]]}}</ref> At 19:20 CST (11:20 UTC) on October 13, Nangka made landfall over [[Qionghai]], [[Hainan]].<ref>{{cite web |title=中央气象台10月13日19时20分发布台风登陆消息 |url=http://www.nmc.cn/publish/typhoon/warning.html |publisher=National Meteorological Center of CMA |accessdate=13 October 2020 |archiveurl=https://archive.today/2020.10.13-134418/http://www.nmc.cn/publish/typhoon/warning.html |archivedate=13 October 2020 |language=Chinese |date=13 October 2020}}</ref> The system continued tracking westward, returning to open water, before making a second landfall south of [[Haiphong]], [[Vietnam]] on October 14. As the system tracked further inland, it dissipated over [[Laos]] on the same day.<ref>{{Cite web|last=|first=|date=2020-10-14|title=Tropical Storm 18W (Nangka) Warning No. 11|url=https://www.metoc.navy.mil/jtwc/products/wp1820web.txt|url-status=dead|archive-url=https://wiki.chlod.net/jtwc/text/2020-10-14-0810-wp1820web.txt|archive-date=2020-10-14|access-date=2020-10-14|website=[[Joint Typhoon Warning Center]]}}</ref>


== Preparations and impact ==
== Preparations and impact ==
=== China ===
=== China ===
Stock markets, schools, and businesses were closed in [[Hong Kong]]. The Hong Kong Observatory issued a Signal No. 8 warning for the area, making it the furthest Signal No. 8 warning from Hong Kong since 1960.<ref> {{Cite web|url=https://www.bloomberg.com/news/articles/2020-10-13/hong-kong-delays-market-trading-as-tropical-storm-nangka-nears|title=Hong Kong Markets Shut Tuesday on Tropical Storm Nangka|website=bloomberg.com|author = Dominic Lau, Richard Frost|publisher=Bloomberg|date=October 13, 2020|access-date=October 13, 2020}} </ref> <ref> {{Cite web|url=https://coconuts.co/hongkong/news/tropical-storm-nangka-is-farthest-no-8-typhoon-from-hong-kong-in-60-years/|title=Tropical storm Nangka is farthest No. 8 typhoon from Hong Kong in 60 years|website=coconuts.co|author=Coconuts Hong Kong|date=October 13, 2020|access-date=October 13, 2020}} </ref> After the passage of Nangka over [[Hainan Island]], 2 people died and 4 are missing as a result of a capsized boat.<ref>https://reliefweb.int/report/viet-nam/vietnam-china-laos-tropical-storm-nangka-dg-echo-gdacs-jtwc-cma-dbqg-media-echo</ref>
Stock markets, schools, and businesses were closed in [[Hong Kong]]. The Hong Kong Observatory issued a Signal No. 8 warning for the area, making it the furthest Signal No. 8 warning from Hong Kong since 1960.<ref> {{Cite web|url=https://www.bloomberg.com/news/articles/2020-10-13/hong-kong-delays-market-trading-as-tropical-storm-nangka-nears|title=Hong Kong Markets Shut Tuesday on Tropical Storm Nangka|website=bloomberg.com|author = Dominic Lau, Richard Frost|publisher=Bloomberg|date=October 13, 2020|access-date=October 13, 2020}} </ref><ref> {{Cite web|url=https://coconuts.co/hongkong/news/tropical-storm-nangka-is-farthest-no-8-typhoon-from-hong-kong-in-60-years/|title=Tropical storm Nangka is farthest No. 8 typhoon from Hong Kong in 60 years|website=coconuts.co|author=Coconuts Hong Kong|date=October 13, 2020|access-date=October 13, 2020}} </ref> After the passage of Nangka over [[Hainan Island]], 2 people died and 4 are missing as a result of a capsized boat.<ref>https://reliefweb.int/report/viet-nam/vietnam-china-laos-tropical-storm-nangka-dg-echo-gdacs-jtwc-cma-dbqg-media-echo</ref>


=== Vietnam ===
=== Vietnam ===
[[File:2020 CIMSS 18W Nangka visible infrared map.GIF|thumb|left|Nangka making landfall in northern Vietnam on October 14.]]
[[File:2020 CIMSS 18W Nangka visible infrared map.GIF|thumb|left|Nangka making landfall in northern Vietnam on October 14.]]
In preparation for Nangka more than 150,000 people in [[Vietnam]] were evacuated from their homes. Some Vietnamese provinces banned vessels from heading out to sea during the storm.<ref name="vnexpress"/> [[Vinh Airport]] in [[Nghe An Province]] and [[Tho Xuan Airport]] in [[Thanh Hoa Province]] were closed on October 14. [[Vietnam Airlines]] and [[Pacific Airlines]] announced that eight flights were cancelled to the two airports.<ref>https://e.vnexpress.net/news/news/airports-beaches-closed-in-north-central-vietnam-as-storm-nangka-approaches-4176256.html</ref> Some areas in Vietnam received 60mm (2.362 in) of rainfall as of October 14. <ref name="vnexpress"> {{Cite web|url=https://e.vnexpress.net/news/news/storm-nangka-devolves-into-tropical-depression-off-north-central-vietnam-4176568.html|title=Storm Nangka devolves into tropical depression off north central Vietnam|author=Nguyen Quy|publisher=VnExpress|website=e.vnexpress.net|date=October 14, 2020|access-date=October 14, 2020}} </ref>
In preparation for Nangka more than 150,000 people in Vietnam were evacuated from their homes. Some Vietnamese provinces banned vessels from heading out to sea during the storm.<ref name="vnexpress"/> [[Vinh Airport]] in [[Nghe An Province]] and [[Tho Xuan Airport]] in [[Thanh Hoa Province]] were closed on October 14. [[Vietnam Airlines]] and [[Pacific Airlines]] announced that eight flights were cancelled to the two airports.<ref>https://e.vnexpress.net/news/news/airports-beaches-closed-in-north-central-vietnam-as-storm-nangka-approaches-4176256.html</ref> Some areas in Vietnam received 60mm (2.362 in) of rainfall as of October 14. <ref name="vnexpress"> {{Cite web|url=https://e.vnexpress.net/news/news/storm-nangka-devolves-into-tropical-depression-off-north-central-vietnam-4176568.html|title=Storm Nangka devolves into tropical depression off north central Vietnam|author=Nguyen Quy|publisher=VnExpress|website=e.vnexpress.net|date=October 14, 2020|access-date=October 14, 2020}} </ref>


== See also ==
== See also ==

Revision as of 18:51, 16 October 2020

This article is about the 2020 tropical storm. For other typhoons of the same name, see Typhoon Nangka (disambiguation).
Tropical Storm Nangka (Nika)
Tropical storm (JMA scale)
Tropical storm (SSHWS)
Tropical Storm Nangka approaching Vietnam on October 13
FormedOctober 11, 2020
DissipatedOctober 14, 2020
Highest winds10-minute sustained: 85 km/h (50 mph)
1-minute sustained: 95 km/h (60 mph)
Lowest pressure990 hPa (mbar); 29.23 inHg
Fatalities2 dead, 4 missing
DamageUnknown
Areas affectedLaos, Thailand, Myanmar, Philippines, Vietnam
Part of the 2020 Pacific typhoon season

Tropical Storm Nangka, also known in the Philippines as Tropical Depression Nika, was a weak tropical cyclone which impacted Hainan and parts of Indochina, which had been affected by Tropical Storm Linfa just days earlier. Nangka, combined with Linfa, killed 36 people and left 12 missing. Over 585 houses were destroyed, while 135,731 others across central Vietnam were flooded.[1]

Meteorological history

Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

On October 11, 2020, the Japan Meteorological Agency (JMA) began tracking a tropical depression off the west coast of Luzon.[2] The PAGASA declared the system as a tropical depression at 12:00 UTC, and since the storm formed inside of the Philippine Area of Responsibility (PAR) the agency named the system Nika.[3] On the same day at 21:00, the Joint Typhoon Warning Center began issuing warnings on the system.[4] On October 12, the system was declared a tropical storm by the JMA, and was named Nangka.[5] At 9:00, the system left the PAR and the PAGASA issued its final bulletin on the system.[6] At 19:20 CST (11:20 UTC) on October 13, Nangka made landfall over Qionghai, Hainan.[7] The system continued tracking westward, returning to open water, before making a second landfall south of Haiphong, Vietnam on October 14. As the system tracked further inland, it dissipated over Laos on the same day.[8]

Preparations and impact

China

Stock markets, schools, and businesses were closed in Hong Kong. The Hong Kong Observatory issued a Signal No. 8 warning for the area, making it the furthest Signal No. 8 warning from Hong Kong since 1960.[9][10] After the passage of Nangka over Hainan Island, 2 people died and 4 are missing as a result of a capsized boat.[11]

Vietnam

Nangka making landfall in northern Vietnam on October 14.

In preparation for Nangka more than 150,000 people in Vietnam were evacuated from their homes. Some Vietnamese provinces banned vessels from heading out to sea during the storm.[12] Vinh Airport in Nghe An Province and Tho Xuan Airport in Thanh Hoa Province were closed on October 14. Vietnam Airlines and Pacific Airlines announced that eight flights were cancelled to the two airports.[13] Some areas in Vietnam received 60mm (2.362 in) of rainfall as of October 14. [12]

See also

References

  1. ^ "Mưa lũ, thiệt hại do bão số 7 tại miền Trung vô cùng nặng nề: 36 người bị chết, 12 người mất tích, miền Trung cần cứu trợ khẩn cấp" (in Vietnamese). Báo Lao động. 14 October 2020. Retrieved 14 October 2020.
  2. ^ "Tropical Cyclone Information". Japan Meteorological Agency. 2020-10-11.{{cite web}}: CS1 maint: url-status (link)
  3. ^ "Severe Weather Bulletin #1 for Tropical Depression Nika" (PDF). PAGASA. 2020-10-11. Archived from the original (PDF) on 2020-10-11. Retrieved 2020-10-11.
  4. ^ "Tropical Depression 18W (Eighteen) Warning No. 1". Joint Typhoon Warning Center. 2020-10-11. Archived from the original on 2020-10-12. Retrieved 2020-10-12.
  5. ^ "Tropical Cyclone Information". Japan Meteorological Agency. 2020-10-12. Archived from the original on 2020-10-12. Retrieved 2020-10-12.
  6. ^ "Sever Weather Bulletin #3-FINAL for Tropical Storm "Nika" (Nangka)" (PDF). PAGASA. 2020-10-12. Archived from the original (PDF) on 2020-10-12. Retrieved 2020-10-12.
  7. ^ "中央气象台10月13日19时20分发布台风登陆消息" (in Chinese). National Meteorological Center of CMA. 13 October 2020. Archived from the original on 13 October 2020. Retrieved 13 October 2020.
  8. ^ "Tropical Storm 18W (Nangka) Warning No. 11". Joint Typhoon Warning Center. 2020-10-14. Archived from the original on 2020-10-14. Retrieved 2020-10-14.
  9. ^ Dominic Lau, Richard Frost (October 13, 2020). "Hong Kong Markets Shut Tuesday on Tropical Storm Nangka". bloomberg.com. Bloomberg. Retrieved October 13, 2020.
  10. ^ Coconuts Hong Kong (October 13, 2020). "Tropical storm Nangka is farthest No. 8 typhoon from Hong Kong in 60 years". coconuts.co. Retrieved October 13, 2020.
  11. ^ https://reliefweb.int/report/viet-nam/vietnam-china-laos-tropical-storm-nangka-dg-echo-gdacs-jtwc-cma-dbqg-media-echo
  12. ^ a b Nguyen Quy (October 14, 2020). "Storm Nangka devolves into tropical depression off north central Vietnam". e.vnexpress.net. VnExpress. Retrieved October 14, 2020.
  13. ^ https://e.vnexpress.net/news/news/airports-beaches-closed-in-north-central-vietnam-as-storm-nangka-approaches-4176256.html
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