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Last edited by CommonsDelinker (talk | contribs) 3 months ago. (Update) |
![]() Typhoon Choi-wan at peak intensity on September 21 | |
Meteorological history | |
---|---|
Formed | September 16, 2003 |
Extratropical | September 23, 2003 |
Dissipated | September 24, 2023 |
Typhoon | |
10-minute sustained (JMA) | |
Highest winds | 130 km/h (80 mph) |
Lowest pressure | 955 hPa (mbar); 28.20 inHg |
Category 3-equivalent typhoon | |
1-minute sustained (SSHWS/JTWC) | |
Highest winds | 185 km/h (115 mph) |
Lowest pressure | 955 hPa (mbar); 28.20 inHg |
Overall effects | |
Damage | $2.5 million (2003 USD) |
Areas affected | Japan |
Part of the 2003 Pacific typhoon season |
Typhoon Choi-wan, known in the Philippines as Typhoon Roskas[1], was a powerful typhoon which paralleled Japan in September 2003. The 29th depression, 15th named storm, and 9th typhoon of the 2003 Pacific typhoon season, Choi-wan developed from (TBD)
Meteorological history
editTropical 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
In mid-September 2003, the monsoonal trough spawned a tropical disturbance east-northeast of Luzon. At the time, the system was in an environment with low wind shear and favorable conditions, allowing the disturbance to rapidly develop. On 00:00 UTC on September 16, the Japan Meteorological Agency (JMA) would state that the disturbance had developed into a tropical depression.[2] On 01:30 UTC the next day, the JTWC would first note the disturbance in the Philippine Sea, later issuing a Tropical Cyclone Formation Alert (TCFA) less than 12 hours later.[3] On September 18, both the JMA and JTWC would recognize the system as a tropical storm, with the former naming it Choi-wan.[2][3]
Choi-wan would be upgraded to a severe tropical storm on September 19 as it paralleled Japan, later peaking as a typhoon at 21:00 UTC on September 20.[2] After that, Choi-wan would steadily weaken, becoming a severe tropical storm on September 22 and transitioning into an extratropical low the next day, resulting in the JTWC issuing their last advisory on the system.[2][3] The JMA would monitor the system until it crossed the International Date Line later that day.[2]
References
edit- ^ Gary Padgett (2003). "Monthly Global Tropical Cyclone Summary, November 2003". Retrieved January 31, 2013.
- ^ a b c d e Annual Report on Activities of the RSMC Tokyo – Typhoon Center 2003 (PDF) (Report). Japan Meteorological Agency. Retrieved January 27, 2013.
- ^ a b c Joint Typhoon Warning Center. 2003 Annual Tropical Cyclone Report (PDF) (Report). United States Navy. Archived from the original (PDF) on February 21, 2013. Retrieved January 27, 2013.