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On April 18, a tropical disturbance spawned, with the [[JTWC]] giving the system a medium chance of development. On April 19, the JTWC giving it a high chance of forming as a tropical cyclone.<ref>{{Cite web |date=2023-04-19 |title=Tropical Cyclone Alert on Tropical Disturbance 92W |url=https://www.metoc.navy.mil/jtwc/products/wp9223web.txt |access-date=2023-04-19 |website=Joint Typhoon Warning Center (JTWC) |language=en-US}}</ref> On the same day, the JMA classified the system as a tropical depression.<ref>{{cite web|archive-url=https://ghostarchive.org/archive/tpXex|url=https://tgftp.nws.noaa.gov/data/raw/ww/wwjp27.rjtd..txt|title=Bulletin released of Tropical Depression (April, 20 2023)|website=Japan Meteorological Agency|archive-date=20 April 2023|date=20 April 2023|access-date=20 April 2023|language=en}}</ref> By 15:00&nbsp;UTC, the JTWC followed suit, designating the system as ''01W''. The agency upgraded it to a tropical storm on 03:00&nbsp;UTC on April 20, with the JMA following suit three hours later, assigning it the name ''Sanvu''. <ref>{{cite web|url=https://www.metoc.navy.mil/jtwc/products/wp0123prog.txt|title=Tropical Storm 01W (One) Prognostic Resoaning Warning #03 Issued at 20/0300Z|archive-url=https://ghostarchive.org/archive/4iCmn|website=JTWC|archive-date=20 April 2023|date=20 April 2023|access-date=20 April 2023|language=en}}</ref>
On April 18, a tropical disturbance spawned, with the [[JTWC]] giving the system a medium chance of development. On April 19, the JTWC giving it a high chance of forming as a tropical cyclone.<ref>{{Cite web |date=2023-04-19 |title=Tropical Cyclone Alert on Tropical Disturbance 92W |url=https://www.metoc.navy.mil/jtwc/products/wp9223web.txt |access-date=2023-04-19 |website=Joint Typhoon Warning Center (JTWC) |language=en-US}}</ref> On the same day, the JMA classified the system as a tropical depression.<ref>{{cite web|archive-url=https://ghostarchive.org/archive/tpXex|url=https://tgftp.nws.noaa.gov/data/raw/ww/wwjp27.rjtd..txt|title=Bulletin released of Tropical Depression (April, 20 2023)|website=Japan Meteorological Agency|archive-date=20 April 2023|date=20 April 2023|access-date=20 April 2023|language=en}}</ref> By 15:00&nbsp;UTC, the JTWC followed suit, designating the system as ''01W''. <ref>{{cite web|url=https://www.metoc.navy.mil/jtwc/products/wp0123prog.txt|title=Tropical Storm 01W (One) Prognostic Resoaning Warning #03 Issued at 20/0300Z|archive-url=https://ghostarchive.org/archive/4iCmn|website=JTWC|archive-date=20 April 2023|date=20 April 2023|access-date=20 April 2023|language=en}}</ref> The agency upgraded it to a tropical storm on 03:00&nbsp;UTC on April 20, with the JMA following suit three hours later, assigning it the name ''Sanvu''. <ref>{{cite web|archive-url=https://archive.ph/0T54r|url=https://tgftp.nws.noaa.gov/data/raw/ww/wwjp27.rjtd..txt|date=20 April 2023|access-date=20 April 2023|archive-date=20 April 2023|title=Bulletin released of tropical storm Sanvu (2301) Issued 20/1200|website=Japan Meteorological Agency|language=en}}</ref>


====Current storm information====
====Current storm information====

Revision as of 17:23, 20 April 2023

2023 Pacific typhoon season
Season summary map
Seasonal boundaries
First system formedMarch 4, 2023
Last system dissipatedSeason ongoing
Strongest storm
NameSanvu
 • Maximum winds65 km/h (40 mph)
(10-minute sustained)
 • Lowest pressure1002 hPa (mbar)
Seasonal statistics
Total depressions3
Total storms1
Typhoons0
Super typhoons0 (unofficial)[nb 1]
Total fatalities4
Total damage$222,000 (2023 USD)
Related articles
Pacific typhoon seasons
2021, 2022, 2023, 2024, 2025

The 2023 Pacific typhoon season is an ongoing event in the annual cycle of tropical cyclone formation, in which tropical cyclones form in the western Pacific Ocean. The season runs throughout 2023, though most tropical cyclones typically develop between May and October.

The scope of this article is limited to the Pacific Ocean to the north of the equator between 100°E and 180th meridian. Within the northwestern Pacific Ocean, there are two separate agencies that assign names to tropical cyclones which can often result in a cyclone having two names. The Japan Meteorological Agency (JMA)[nb 2] will name a tropical cyclone should it be judged to have 10-minute sustained wind speeds of at least 65 km/h (40 mph) anywhere in the basin, whilst the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) assigns names to tropical cyclones which move into or form as a tropical depression in the Philippine Area of Responsibility (PAR) located between 135°E and 115°E and between 5°N–25°N regardless of whether or not a tropical cyclone has already been given a name by the JMA. Tropical depressions that are monitored by the United States' Joint Typhoon Warning Center (JTWC)[nb 3][nb 1] are given a number with a "W" suffix.

Seasonal summary

The first two months were inactive, with no tropical cyclones formed until March. It started with a tropical depression on March 4, being the first system of the season, formed to the east of Singapore designated as 98S by the JTWC due to the agency analyzing the system as being located within the Southern Hemisphere.[3] and killed at least four people.[4] In early April, a depression was formed and named as "Amang", which became the first named storm by the PAGASA. It made its first landfall in Panganiban, Catanduanes around 23:00. It made its second landfall over Presentacion, Camarines Sur and in the vicinity of Lagonoy, Camarines Sur later that day.[5] It was downgraded to a low on April 13 because of unfavorable conditions including dry air and high wind shear. Amang caused over ₱12.3 million (US$222 thousand) of Agricultural damages throughout its path.[6] Another tropical depression was formed on April 19, with JTWC giving it a high chance of forming as a tropical cyclone.[7]. The agency upgraded into tropical storm on April 20 and three hours later, the JMA assigned the name as "Sanvu", the first named storm of 2023 typhoon season.

Systems

Tropical Depression Amang

Tropical depression (JMA)
 
DurationApril 10 – April 13
Peak intensity55 km/h (35 mph) (10-min);
1004 hPa (mbar)

The JMA first noted a low-pressure area in the Philippine Sea on April 7.[8] A strong convection to the north of the system's low-level circulation center (LLCC) prompted the JTWC to first issue a Tropical Cyclone Formation Alert (TCFA) on the disturbance as it tracked west-northwestwards into a favorable environment for further development.[9] Later that day, the JMA and the PAGASA classified the storm as a tropical depression.[10][11] As the storm formed within the Philippine Area of Responsibility (PAR), the depression received the name Amang.[11] Amang made its first landfall over Panganiban, Catanduanes around 23:00 PHT (15:00 UTC) on April 11.[12] Later the next day, the PAGASA reported that Amang had made a second landfall in Presentacion, Camarines Sur and later made its third landfall in Lagonoy, Camarines Sur.[13] Upon land interaction, the JTWC canceled its TCFA, stating that Amang had reached more unfavorable conditions including dry air and wind shear.[14] PAGASA downgraded the storm to a low on April 13.[15]

Agricultural damages caused by the storm were estimated at ₱12.3 million (US$222 thousand), affecting 1,324 farmers and 1,096.6 hectares (2,710 acres) of land.[16] 1,918 passengers were stranded in the Bicol Region following sea travel suspensions.[17] On April 13, classes up to senior high school in 19 areas were suspended due to bad weather, along with pre-elementary classes in areas under Signal No. 1.[18]

Tropical Storm Sanvu

Tropical Storm Sanvu
Current storm status
Tropical storm  (JMA)
Current storm status
Tropical storm (1-min mean)
Satellite image
Forecast map
As of:12:00 UTC, April 20
Location:9°36′N 156°36′E / 9.6°N 156.6°E / 9.6; 156.6 (Tropical Storm Sanvu)
196 nautical miles (365 km; 225 mi) NNW of Pohnpei
Sustained winds:35 knots (65 km/h; 40 mph) (10-min mean)
gusting to 50 knots (95 km/h; 60 mph)
40 knots (75 km/h; 45 mph) (1-min mean)
Pressure:1004 hPa (29.65 inHg)
Movement:NNW at 7 kn (13 km/h; 8.1 mph)
See more detailed information.

On April 18, a tropical disturbance spawned, with the JTWC giving the system a medium chance of development. On April 19, the JTWC giving it a high chance of forming as a tropical cyclone.[19] On the same day, the JMA classified the system as a tropical depression.[20] By 15:00 UTC, the JTWC followed suit, designating the system as 01W. [21] The agency upgraded it to a tropical storm on 03:00 UTC on April 20, with the JMA following suit three hours later, assigning it the name Sanvu. [22]

Current storm information

As of 12:00 UTC April 20, Tropical Storm Sanvu is located near 9°36′N 156°36′E / 9.6°N 156.6°E / 9.6; 156.6 (Sanvu) or about 196 nautical miles (365 km; 225 mi) north-northwest of Pohnpei. Maximum 10-minute sustained winds are at 35 knots (65 km/h; 40 mph), with gusts up to 50 knots (95 km/h; 60 mph); while 1-minute sustained winds are at 40 knots (75 km/h; 45 mph). The minimum central barometric pressure is 1004 hPa (29.65 inHg), and the system is moving north-northwest at 7 kn (13 km/h; 8.1 mph).

For the latest official information, see:

Other system

See also: List of near-Equatorial tropical cyclones
A tropical depression near the equator in March

According to the JMA, a tropical depression formed to the east of Singapore on March 4.[23] It was designated 98S by the JTWC shortly afterwards, due to the agency analyzing the system as being located within the Southern Hemisphere.[24] The system was last noted on March 7.[25] 50,000 people were affected in Malaysia from the floods produced by the system, which also killed four people.[4]

Storm names

See also: Tropical cyclone naming and History of tropical cyclone naming

Within the Northwest Pacific Ocean, both the Japan Meteorological Agency (JMA) and the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) assign names to tropical cyclones that develop in the Western Pacific, which can result in a tropical cyclone having two names.[26] The Japan Meteorological Agency's RSMC Tokyo — Typhoon Center assigns international names to tropical cyclones on behalf of the World Meteorological Organization's Typhoon Committee, should they be judged to have 10-minute sustained windspeeds of 65 km/h (40 mph).[27] PAGASA names to tropical cyclones which move into or form as a tropical depression in their area of responsibility located between 135°E and 115°E and between 5°N and 25°N even if the cyclone has had an international name assigned to it.[26] The names of significant tropical cyclones are retired, by both PAGASA and the Typhoon Committee.[27] Should the list of names for the Philippine region be exhausted then names will be taken from an auxiliary list of which the first ten are published each season. Unused names are marked in gray.

International names

Main article: List of retired Pacific typhoon names

A tropical cyclone is named when it is judged to have 10-minute sustained windspeeds of 65 km/h (40 mph).[28] The JMA selected the names from a list of 140 names, that had been developed by the 14 members nations and territories of the ESCAP/WMO Typhoon Committee.[29] Retired names, if any, will be announced by the WMO in 2024; though replacement names will be announced in 2025. The next 28 names on the naming list are listed here along with their international numeric designation, if they are used.

  • Sanvu (2301) (active)
  • Mawar (unused)
  • Guchol (unused)
  • Talim (unused)
  • Doksuri (unused)
  • Khanun (unused)
  • Lan (unused)
  • Saola (unused)
  • Damrey (unused)
  • Haikui (unused)
  • Kirogi (unused)
  • Yun-yeung (unused)
  • Koinu (unused)
  • Bolaven (unused)
  • Sanba (unused)
  • Jelawat (unused)
  • Ewiniar (unused)
  • Maliksi (unused)
  • Gaemi (unused)
  • Prapiroon (unused)
  • Maria (unused)
  • Son-Tinh (unused)
  • Ampil (unused)
  • Wukong (unused)
  • Jongdari (unused)
  • Shanshan (unused)
  • Yagi (unused)
  • Leepi (unused)

Philippines

Main article: List of retired Philippine typhoon names

This season, PAGASA will use its own naming scheme, that will either develop within or move into their self-defined area of responsibility.[30] The names were taken from a list of names, that was last used during 2019 and are scheduled to be used again during 2027.[30] All of the names are the same except Tamaraw and Ugong, which replaced the names Tisoy and Ursula after they were retired.[30]

  • Amang
  • Betty (unused)
  • Chedeng (unused)
  • Dodong (unused)
  • Egay (unused)
  • Falcon (unused)
  • Goring (unused)
  • Hanna (unused)
  • Ineng (unused)
  • Jenny (unused)
  • Kabayan (unused)
  • Liwayway (unused)
  • Marilyn (unused)
  • Nimfa (unused)
  • Onyok (unused)
  • Perla (unused)
  • Quiel (unused)
  • Ramon (unused)
  • Sarah (unused)
  • Tamaraw (unused)
  • Ugong (unused)
  • Viring (unused)
  • Weng (unused)
  • Yoyoy (unused)
  • Zigzag (unused)
Auxiliary list
  • Abe (unused)
  • Berto (unused)
  • Charo (unused)
  • Dado (unused)
  • Estoy (unused)
  • Felion (unused)
  • Gening (unused)
  • Herman (unused)
  • Irma (unused)
  • Jaime (unused)

Season effects

This table summarizes all the systems that developed within or moved into the North Pacific Ocean, to the west of the International Date Line during 2023. The tables also provide an overview of a system's intensity, duration, land areas affected, and any deaths or damages associated with the system.

Name Dates Peak intensity Areas affected Damage
(USD) 		Deaths Refs
Category Wind speed Pressure
TD March 4–7 Tropical depression 55 km/h (35 mph) 1008 hPa (29.77 inHg) Brunei, Indonesia, Malaysia, Singapore Unknown 4 [31]
Amang April 10–13 Tropical depression 55 km/h (35 mph) 1004 hPa (29.65 inHg) Palau, Philippines $222,000 None [16]
Sanvu April 19–Present Tropical storm 65 km/h (40 mph) 1002 hPa (29.59 inHg) Federated States of Micronesia None None
Season aggregates
3 systems March 4 – Season ongoing 65 km/h (40 mph) 1002 hPa (29.59 inHg) $222,000 4

See also

Notes

  1. ^ a b A super typhoon is an unofficial category used by the Joint Typhoon Warning Center (JTWC) for a typhoon with winds of at least 240 km/h (150 mph).[2]
  2. ^ The Japan Meteorological Agency is the official Regional Specialized Meteorological Center for the western Pacific Ocean.
  3. ^ The Joint Typhoon Warning Center is a joint United States Navy – United States Air Force task force that issues tropical cyclone warnings for the western Pacific Ocean and other regions.[1]

References

  1. ^ "Joint Typhoon Warning Center Mission Statement". Joint Typhoon Warning Center. 2011. Archived from the original on July 26, 2007. Retrieved July 25, 2012.
  2. ^ Frequently Asked Questions (Report). Joint Typhoon Warning Center. August 13, 2012. Archived from the original on October 4, 2013. Retrieved September 22, 2012.
  3. ^ "98S 2023 best track". National Oceanic and Atmospheric Administration. Retrieved March 5, 2023.
  4. ^ a b "Thousands forced from their homes amid southern Malaysia floods". Alijazeera.com. March 6, 2023. Retrieved March 6, 2023.
  5. ^ "Tropical Depression Amang makes third landfall in Camarines Sur". RAPPLER. April 12, 2023. Retrieved April 13, 2023.
  6. ^ "'Amang' leaves P12.34-M damage to agriculture". Philstar.com. Retrieved April 13, 2023.
  7. ^ "Tropical Cyclone Alert on Tropical Disturbance 92W". Joint Typhoon Warning Center (JTWC). April 19, 2023. Retrieved April 19, 2023.
  8. ^ Warning and Summary 070600 (Report). Tokyo, Japan: Japan Meteorological Agency. April 7, 2023. Archived from the original on April 10, 2023. Retrieved April 10, 2023.
  9. ^ Tropical Cyclone Formation Alert (Invest 90W) (Report). United States Joint Typhoon Warning Center. April 10, 2023. Archived from the original on April 10, 2023. Retrieved April 10, 2023.
  10. ^ Warning and Summary 100000 (Report). Japan Meteorological Agency. April 10, 2023. Archived from the original on April 10, 2023. Retrieved April 10, 2023.
  11. ^ a b "Tropical Cyclone Bulletin #1 for Tropical Depression 'Amang'" (PDF). PAGASA. April 11, 2023. Archived from the original (PDF) on April 11, 2023. Retrieved April 11, 2023.
  12. ^ "Tropical Cyclone Bulletin #4 for Tropical Depression 'Amang'" (PDF). PAGASA. April 11, 2023. Archived from the original (PDF) on April 11, 2023. Retrieved April 11, 2023.
  13. ^ "Tropical Depression Amang makes third landfall in Camarines Sur". RAPPLER. April 12, 2023. Retrieved April 13, 2023.
  14. ^ Tropical Cyclone Formation Alert (Invest 90W) Cancellation (Report). United States Joint Typhoon Warning Center. April 11, 2023. Archived from the original on April 11, 2023. Retrieved April 11, 2023. {{cite report}}: |archive-date= / |archive-url= timestamp mismatch; April 12, 2023 suggested (help)
  15. ^ "Tropical Cyclone Bulletin #16 for Tropical Depression 'Amang'" (PDF). PAGASA. April 13, 2023. Archived from the original (PDF) on April 13, 2023. Retrieved April 13, 2023.
  16. ^ a b "'Amang' leaves P12.34-M damage to agriculture". Philstar.com. Retrieved April 13, 2023.
  17. ^ Calipay, Connie (April 12, 2023). "Nearly 2K passengers stranded in Bicol ports due to 'Amang'". Philippine News Agency.{{cite web}}: CS1 maint: url-status (link)
  18. ^ "#WalangPasok: Class suspensions on April 13 due to TD 'Amang'". People's Television Network. April 13, 2023.{{cite web}}: CS1 maint: url-status (link)
  19. ^ "Tropical Cyclone Alert on Tropical Disturbance 92W". Joint Typhoon Warning Center (JTWC). April 19, 2023. Retrieved April 19, 2023.
  20. ^ "Bulletin released of Tropical Depression (April, 20 2023)". Japan Meteorological Agency. April 20, 2023. Archived from the original on April 20, 2023. Retrieved April 20, 2023.
  21. ^ "Tropical Storm 01W (One) Prognostic Resoaning Warning #03 Issued at 20/0300Z". JTWC. April 20, 2023. Archived from the original on April 20, 2023. Retrieved April 20, 2023.
  22. ^ "Bulletin released of tropical storm Sanvu (2301) Issued 20/1200". Japan Meteorological Agency. April 20, 2023. Archived from the original on April 20, 2023. Retrieved April 20, 2023.
  23. ^ "WWJP27 RJTD 040600". Japan Meteorological Agency. March 4, 2023. Archived from the original on March 4, 2023. Retrieved March 4, 2023.
  24. ^ "98S 2023 best track". National Oceanic and Atmospheric Administration. Retrieved March 5, 2023.
  25. ^ WWJP27 RJTD 071200 (Report). Japan Meteorological Agency. March 7, 2023. Archived from the original on March 8, 2023. Retrieved March 8, 2023.
  26. ^ a b Padgett, Gary. "Monthly Tropical Cyclone Summary December 1999". Australian Severe Weather. Archived from the original on February 11, 2012. Retrieved October 1, 2013.
  27. ^ a b The Typhoon Committee (February 21, 2013). "Typhoon Committee Operational Manual 2013" (PDF). World Meteorological Organization. pp. 37–38. Archived (PDF) from the original on August 1, 2013. Retrieved October 1, 2013.
  28. ^ ESCAP/WMO Typhoon Committee (January 25, 2016). "Review of the 2015 Pacific typhoon season" (PDF). www.typhooncommittee.org. Archived (PDF) from the original on March 24, 2016. Retrieved April 8, 2022.
  29. ^ Zhou, Xiao; Lei, Xiaotu (2012). "Summary of retired typhoons within the Western North Pacific Ocean". Tropical Cyclone Research and Review. 1 (1). The Economic and Social Commission for Asia and the Pacific/World Meteorological Organization's Typhoon Committee: 23–32. doi:10.6057/2012TCRR01.03. ISSN 2225-6032. Retrieved December 21, 2014.
  30. ^ a b c "Philippine Tropical Cyclone Names". Philippine Atmospheric, Geophysical and Astronomical Services Administration. Retrieved April 18, 2015.
  31. ^ "Thousands forced from their homes amid southern Malaysia floods". Alijazeera.com. March 6, 2023. Retrieved March 6, 2023.
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