Jelawat Heads for Mainland Japan After Slamming Okinawa [1]

Weather.com - 9/29/12

For the first time in 15 years, we had three consecutive "super typhoons" in the western Pacific Ocean. Jelawat became a super typhoon on Sunday (U.S. time) and remained one through much of Thursday. By Friday morning, Jelawat had weakened and was no longer a super typhoon.

The U.S. Joint Typhoon Warning Center, which tracks tropical cyclones in the Western Pacific, uses the term "super typhoon" for a tropical cyclone with maximum sustained winds of at least 150 miles per hour, the equivalent of a high-end Category 4 on the Saffir-Simpson Hurricane Wind Scale. 

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