Typhoon Ma-on (2004)
| Typhoon Ma-on on October 8 | |
| Meteorological history | |
|---|---|
| Formed | October 3, 2004 | 
| Dissipated | October 10, 2004 | 
| Very strong typhoon | |
| 10-minute sustained (JMA) | |
| Highest winds | 185 km/h (115 mph) | 
| Lowest pressure | 920 hPa (mbar); 27.17 inHg | 
| Category 5-equivalent super typhoon | |
| 1-minute sustained (SSHWS/JTWC) | |
| Highest winds | 260 km/h (160 mph) | 
| Lowest pressure | 898 hPa (mbar); 26.52 inHg | 
| Overall effects | |
| Fatalities | 7 | 
| Missing | 2 | 
| Damage | $623 million (2004 USD) | 
| Areas affected | Japan, Alaska | 
| IBTrACS | |
| Part of the 2004 Pacific typhoon season | |
Typhoon Ma-on, known in the Philippines as Super Typhoon Rolly, was a powerful typhoon that produced record breaking wind gusts across the Tokyo Metropolitan Area during early October 2004. It was the strongest typhoon to hit the region since Typhoon Higos in 2002. The twenty-second named storm of the 2004 Pacific typhoon season, Ma-on was the second of three consecutive storms to hit Japan during the period between late-September to mid-October 2004.