Typhoon Muifa (2022) Explained

Typhoon Muifa (Inday)
Formed:September 3, 2022
Extratropical:September 16, 2022
Dissipated:September 17, 2022
Winds:85
Pressure:950
Winds:110
Pressure:946
Basin:WPac
Year:2022
Fatalities:3 total
Missing:2
Damage:437000000
Ibtracs:2022250N19137
Refs:[1]
Season:2022 Pacific typhoon season

Typhoon Muifa, known in the Philippines as Typhoon Inday, was a powerful tropical cyclone that affected East China, Taiwan, and the Ryukyu Islands in mid-September 2022. It was the twelfth named storm and fourth typhoon of the 2022 Pacific typhoon season, having originated from an invest in the Pacific Ocean.

Muifa originated from a disturbance near the Philippine Sea, slowly tracking westward until its development into a tropical depression, where it began to move south westward. Muifa underwent rapid intensification as it approached eastern China, with maximum sustained winds of up to 155round=5NaNround=5 Right before its first landfall, Muifa was downgraded to a Category 3, then Muifa made its first landfall over eastern China on September 13 as a Category 1.

Meteorological history

The origins of Typhoon Muifa can be traced back to an area of disturbed weather on September 5.[2] The disturbance favorable vertical wind shear, being offset by warm sea surface temperatures of around 30-. A low-pressure area developed into a tropical depression, according to the Japan Meteorological Agency (JMA).[3] [4] Multispectral animated satellite imagery revealed a partially exposed low-level center with deep convection to the southeastern quadrant of its disturbance.[5] At 06:00 UTC on September 6, the United States Joint Typhoon Warning Center (JTWC) issued a Tropical Cyclone Formation Alert to the exposed system.[6]

Later around the same day, the JTWC initiated advisories on the system and classified it as Tropical Depression 14W.[7] A broad low-level circulation indicate the development of a vertical hot tower over its convective.[8] Early the next day, the JTWC upgraded the depression to a tropical storm.[9] It eventually entered the Philippine Area of Responsibility (PAR) with PAGASA assigning the name Inday.[10] Deepest formative maintained with a ragged central dense overcast continued to obscure low-level circulation center.[11] By 00:00 UTC on September 8, the JMA upgraded the system to a tropical storm, assigning it the name Muifa.[12] Muifa's center was elongated due to a tropical upper tropospheric trough from the north on the system.[13] A well-defined deep convection is wrapped around the northwestern portions of the storm.[14] Muifa's convective structure continued to improve as it flared up and rotated shear. microwave imaging revealed a developing, eye like-feature.[15]

The storm's quickly intensified, and was upgraded to a severe tropical storm by the JMA on September 9.[16] At 21:00 UTC that day, the JTWC also upgraded Muifa to a Category 1-equivalent typhoon, approximately 388nmi south of Kadena Air Base.[17] Muifa convective activity had improved overall. Similarly, the JMA further upgraded Muifa to a typhoon on September 10.[18] Muifa strengthened to Category 2-equivalent typhoon after deep convection becoming more symmetric in the eye.[19] Within the next three hours, the storm became a Category 3-equivalent typhoon.[20]

Satellite imagery revealed a round eye with core convection in the eyewall.[21] Then, it rapidly strengthened into a Category 4-equivalent typhoon on September 11.[22] Muifa weakened back to Category 3-equivalent due to undergoing an eyewall replacement cycle.[23] At 03:00 UTC on September 12, Muifa further weakened into a Category 2-equivalent typhoon as it wrapped around the eyewall.[24] Muifa, then weakened steadily as it made landfall in Ishigaki Island.[25]

Muifa exited the PAR at 12:40 PHT (4:40 UTC) on September 13.[26] [27] Satellite imagery revealed a ragged eye around a convective banding.[28] A well defined system with its deep convection wrapped around it.[29] its eye structure slowly degraded.[30] At 15:00 UTC on September 14, the JTWC further downgraded it to a Category 1-equivalent typhoon.[31] The storm made landfall at this intensity on Zhoushan Island,[32] before making a second landfall in Shanghai.[33] It is the most powerful typhoon to strike Shanghai on record,[34] [35] beating out the previous record of Typhoon Gloria in 1949.[36] Meanwhile, the JMA downgraded the system to a severe tropical storm by 21:00 UTC of that day.[37] At 03:00 UTC on September 15, the JTWC downgraded it to a tropical storm.[38] Muifa made third and fourth landfalls on Shandong and Liaoning.[39] [40] The JMA followed suit later that day, and declaring it tropical storm.[41] Muifa continued to deteriorate as it tracked the Yellow Sea, and later dissipated late on September 16.[42]

Preparations and impact

Ryukyu Islands

Muifa caused many high waves and mudslides throughout the Ryukyu Islands. Heavy rain hit Ishigaki Island.[43]

Taiwan

Taiwan was hit by 140 km (86 mph) winds.[44] Heavy amounts of rain hit Keelung, Taipei, Hsinchu, and Taichung. The Council of Agriculture (COA) issued 15 "red alerts" and 14 "yellow alerts" for landslides throughout Northern Taiwan.[45]

China

Muifa caused much damage and heavy rainfall throughout Eastern China, most of it in towns close to the populous Yangtze River delta. Over 230 million people were affected in throughout the delta, with over 1.3 million people evacuated from Zhoushan, where powerful rain bands hit the city.[46] Muifa brought heavy rains to Shanghai, resulting in many ports near the city being closed. Ferry and shipping traffic was suspended and fishing boats were called into port. Ports near Ningbo were closed.[47]

Elsewhere

Heavy rain hit North Korea.[48]

See also

External links

Notes and References

  1. Web site: Q3 Global Catastrophe Recap . . October 21, 2022.
  2. September 5, 2022. 06Z. abpw. https://www.metoc.navy.mil/jtwc/products/abpwweb.txt. live. 2017-12-21. https://web.archive.org/web/20171221082438/http://www.metoc.navy.mil/jtwc/products/abpwweb.txt. Alt URL
  3. WWJP27 RJTD 050600 (Warning and Weather Summary) . Japan Meteorological Agency . September 5, 2022 . Japan Meteorological Agency . September 5, 2022 . https://archive.today/20220905152630/https://www.wis-jma.go.jp/d/o/RJTD/Alphanumeric/Warning/Warnings_and_weather_summary/20220905/060000/A_WWJP27RJTD050600_C_RJTD_20220905082517_46.txt. September 5, 2022. dead .
  4. WWJP27 RJTD 051200 (Warning and Weather Summary) . Japan Meteorological Agency . September 5, 2022 . Japan Meteorological Agency . September 5, 2022 . https://archive.today/20220905152634/https://tgftp.nws.noaa.gov/data/raw/ww/wwjp27.rjtd..txt. September 5, 2022. live .
  5. September 6, 2022. 06Z. abpw. https://www.metoc.navy.mil/jtwc/products/abpwweb.txt. live. 2017-12-21. https://web.archive.org/web/20171221082438/http://www.metoc.navy.mil/jtwc/products/abpwweb.txt. Alt URL
  6. September 6, 2022. tcfa. 91W. https://www.metoc.navy.mil/jtwc/products/wp9122web.txt. live. 2022-09-06. https://web.archive.org/web/20220906105315/https://www.metoc.navy.mil/jtwc/products/wp9122web.txt. Alt URL
  7. September 6, 2022. warn. TD. 14W. 01. Fourteen. https://www.metoc.navy.mil/jtwc/products/wp1422web.txt. live. 2022-09-07. https://web.archive.org/web/20220907040327/https://www.metoc.navy.mil/jtwc/products/wp1422web.txt. Alt URL
  8. September 6, 2022. prog. TD. 14W. 02. Fourteen. https://www.metoc.navy.mil/jtwc/products/wp1422web.txt. live. September 7, 2022. https://archive.today/20220907022400/https://www.wis-jma.go.jp/d/o/PGTW/Alphanumeric/Warning/Tropical_cyclone/20220906/210000/A_WDPN32PGTW062100_C_RJTD_20220906211518_82.txt.
  9. September 6, 2022. prog. TS. 14W. 03. Fourteen. https://www.metoc.navy.mil/jtwc/products/wp1422web.txt. live. September 7, 2022. https://web.archive.org/web/20220907030940/https://www.metoc.navy.mil/jtwc/products/wp1422prog.txt.
  10. September 7, 2022. Inday. tcb. 1. TS. https://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin_florita.pdf . https://web.archive.org/web/20220907000000/https://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin_florita.pdf. September 7, 2022. Alt URL
  11. September 7, 2022. prog. TS. 14W. 04. Fourteen. https://www.metoc.navy.mil/jtwc/products/wp1422web.txt. live. September 7, 2022. https://archive.today/20220907131518/https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt.
  12. Web site: September 8, 2022 . RSMC Tropical Cyclone Advisory Name TS 2212 MUIFA (2212) Upgraded from TD No. 2. https://archive.today/20220908030801/https://tgftp.nws.noaa.gov/data/raw/wt/wtpq50.rjtd..txt. September 8, 2022 . September 8, 2022 . Japan Meteorological Agency.
  13. September 8, 2022. prog. TS. 14W. 07. Muifa. https://www.metoc.navy.mil/jtwc/products/wp1422web.txt. live. September 8, 2022. https://archive.today/20220908031026/https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt.
  14. September 8, 2022. prog. TS. 14W. 09. Muifa. https://www.metoc.navy.mil/jtwc/products/wp1422web.txt. live. September 8, 2022. https://archive.today/20220908145623/https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt.
  15. September 9, 2022. prog. TS. 14W. 12. Muifa. https://www.metoc.navy.mil/jtwc/products/wp1422web.txt. live. September 9, 2022. https://archive.today/20220909030554/https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt.
  16. Web site: September 9, 2022 . RSMC Tropical Cyclone Advisory Name STS 2212 MUIFA (2212) Upgraded from TS. https://archive.today/20220909142709/https://tgftp.nws.noaa.gov/data/raw/wt/wtpq50.rjtd..txt. September 9, 2022 . September 9, 2022 . Japan Meteorological Agency.
  17. September 9, 2022. prog. TY. 14W. 14. Muifa. https://www.metoc.navy.mil/jtwc/products/wp1422web.txt. live. September 10, 2022. https://archive.today/20220910020420/https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt.
  18. Web site: September 10, 2022 . RSMC Tropical Cyclone Advisory Name TY 2212 MUIFA (2212) Upgraded from STS. https://archive.today/20220910020256/https://tgftp.nws.noaa.gov/data/raw/wt/wtpq50.rjtd..txt. September 10, 2022 . September 9, 2022 . Japan Meteorological Agency.
  19. September 10, 2022. prog. TY. 14W. 17. Muifa. https://www.metoc.navy.mil/jtwc/products/wp1422web.txt. live. September 11, 2022. https://archive.today/20220911055408/https://www.wis-jma.go.jp/d/o/PGTW/Alphanumeric/Warning/Tropical_cyclone/20220910/210000/A_WDPN32PGTW102100_C_RJTD_20220910212216_57.txt.
  20. September 10, 2022. prog. TY. 14W. 18. Muifa. https://www.wis-jma.go.jp/d/o/PGTW/Alphanumeric/Warning/Tropical_cyclone/20220910/210000/A_WDPN32PGTW102100_C_RJTD_20220910212216_57.txt. live. September 11, 2022. https://archive.today/20220911055408/https://www.wis-jma.go.jp/d/o/PGTW/Alphanumeric/Warning/Tropical_cyclone/20220910/210000/A_WDPN32PGTW102100_C_RJTD_20220910212216_57.txt.
  21. September 11, 2022. prog. TY. 14W. 19. Muifa. https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt. live. September 11, 2022. https://archive.today/20220911054630/https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt.
  22. September 11, 2022. prog. TY. 14W. 20. Muifa. https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt. live. September 11, 2022. https://archive.today/20220911082251/https://www.metoc.navy.mil/jtwc/products/wp1422prog.txt.
  23. September 11, 2022. prog. TY. 14W. 21. Muifa. https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt. live. September 11, 2022. https://archive.today/20220911143904/https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt.
  24. September 11, 2022. prog. TY. 14W. 22. Muifa. https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt. live. September 12, 2022. https://archive.today/20220912020322/https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt.
  25. September 12, 2022. prog. TY. 14W. 23. Muifa. https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt. live. September 12, 2022. https://archive.today/20220912024731/https://www.metoc.navy.mil/jtwc/products/wp1422prog.txt.
  26. Web site: 2022-09-12 . Typhoon Inday exits PAR; another tropical cyclone may enter within days . 2022-09-17 . RAPPLER . en-US.
  27. September 13, 2022. Inday. tcb. 22F. TY. https://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin_florita.pdf . https://web.archive.org/web/20220913000000/https://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin_florita.pdf. September 13, 2022. Alt URL
  28. September 13, 2022. prog. TY. 14W. 27. Muifa. https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt. live. September 13, 2022. https://archive.today/20220913083749/https://www.wis-jma.go.jp/d/o/PGTW/Alphanumeric/Warning/Tropical_cyclone/20220913/030000/A_WDPN32PGTW130300_C_RJTD_20220913031316_31.txt.
  29. September 13, 2022. prog. TY. 14W. 28. Muifa. https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt. live. September 13, 2022. https://archive.today/20220913081251/https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txtt.
  30. September 14, 2022. prog. TY. 14W. 32. Muifa. https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt. live. September 14, 2022. https://archive.today/20220914082512/https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt.
  31. September 14, 2022. prog. TY. 14W. 33. Muifa. https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt. live. September 14, 2022. https://archive.today/20220914135202/https://www.metoc.navy.mil/jtwc/products/wp1422prog.txt.
  32. Web site: September 14, 2022 . Typhoon Muifa makes landfall in China, heads for Shanghai . live . https://archive.today/20220918003552/https://www.washingtonpost.com/world/typhoon-to-skirt-shanghai-move-up-coast-of-northeast-china/2022/09/13/5db9fd76-33d9-11ed-a0d6-415299bfebd5_story.html . September 18, 2022 . September 18, 2022 . washingtonpost.com . Associated Press.
  33. Web site: Cheng . Lin . September 15, 2022 . Typhoon Muifa Makes Second Landfall on Shanghai Coast . September 18, 2022 . Bloomberg.
  34. Web site: Henson . Bob . Masters . Jeff . Typhoon Muifa sweeps into Shanghai; Caribbean eyes new tropical depression . 14 September 2022 . Yale Climate Connections . 14 September 2022.
  35. Web site: MetDesk . Nicholas Lee for . 2022-09-16 . Weather tracker: Typhoon Muifa wreaks havoc in China after summer of records . 2022-09-18 . the Guardian . en.
  36. Web site: Masters . Jeff . Category 3 Chan-hom: One of Shanghai's Strongest Typhoons on Record? . Weather Underground . 14 September 2022 . https://web.archive.org/web/20180808171921/https://maps.wunderground.com/blog/JeffMasters/comment.html?entrynum=3038 . 8 August 2018 .
  37. Web site: September 14, 2022 . RSMC Tropical Cyclone Advisory Name STS 2212 MUIFA (2212) Downgraded from TY. https://archive.today/20220915031600/https://www.wis-jma.go.jp/d/o/RJTD/Alphanumeric/Warning/Tropical_cyclone/20220914/210000/A_WTPQ50RJTD142100_C_RJTD_20220914220816_17.txt. September 15, 2022 . September 14, 2022 . Japan Meteorological Agency.
  38. September 15, 2022. prog. TS. 14W. 35. Muifa. https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt. live. September 15, 2022. https://archive.today/20220915031242/https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt.
  39. Web site: Typhoon Muifa makes landfall in China's Liaoning-Xinhua . 2022-09-18 . english.news.cn.
  40. Web site: Typhoon Muifa makes landfall in China's Shandong-Xinhua . 2022-09-18 . english.news.cn.
  41. Web site: September 15, 2022 . RSMC Tropical Cyclone Advisory Name TS 2212 MUIFA (2212) Downgraded from STS. https://archive.today/20220915153811/https://www.wis-jma.go.jp/d/o/RJTD/Alphanumeric/Warning/Tropical_cyclone/20220915/060000/A_WTPQ50RJTD150600_C_RJTD_20220915070117_68.txt. September 15, 2022 . September 15, 2022 . Japan Meteorological Agency.
  42. September 16, 2022. prog. TS. 14W. 39. Muifa. https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt. live. September 16, 2022. https://archive.today/20220916025147/https://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt.
  43. Web site: 2022-09-13 . Typhoon Muifa passes Okinawa islands and moves slowly toward China . 2022-10-10 . The Japan Times . en-US.
  44. News: Typhoon Muifa hits Taiwan and Japan's southern islands - BBC Weather . en-GB . 2022-10-10.
  45. Web site: News . Taiwan . 2022-09-13 . Typhoon Muifa to bring extremely heavy rain to 5 counties, cities in north Taiwan Taiwan News 2022-09-13 10:26:00 . 2022-10-10 . Taiwan News.
  46. News: 2022-09-15 . Typhoon Muifa pounds eastern China with strong gales, rain . en . Reuters . 2022-10-10.
  47. Web site: 2022-09-14 . Typhoon Muifa Lands Near Shanghai . 2022-10-10 . earthobservatory.nasa.gov . en.
  48. Web site: Henson . Bob . 2022-09-14 . Typhoon Muifa sweeps into Shanghai; Caribbean eyes new tropical depression » Yale Climate Connections . 2022-10-10 . Yale Climate Connections . en-US.

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