Typhoon Ma-on (2004)

Typhoon Ma-on (Rolly)
Typhoon Ma-on on October 8
Meteorological history
FormedOctober 3, 2004
DissipatedOctober 10, 2004
Very strong typhoon
10-minute sustained (JMA)
Highest winds185 km/h (115 mph)
Lowest pressure920 hPa (mbar); 27.17 inHg
Category 5-equivalent super typhoon
1-minute sustained (SSHWS/JTWC)
Highest winds260 km/h (160 mph)
Lowest pressure898 hPa (mbar); 26.52 inHg
Overall effects
Fatalities7
Missing2
Damage$623 million (2004 USD)
Areas affectedJapan, Alaska
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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 October 2004. 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.