Tornado Alley (PROG)

[StephanieVanbryce]

Two surfers ride a 50ft wave at Waimea Bay on the north shore of Oahu in Haleiwa, Hawaii



Surfers paddle out during a pre-contest surf



Six surfers drop into a wave during pre-contest surfing



Carlos Burle (left), of Brazil, Jamie O'Brien (centre), of Hawaii, and Kala Alexander, of Hawaii, drop down the face of a wave in the first heat of the the Quiksilver (in Memory of Eddie Aikau) surfing contest



Makuakai Rothman, Sunny Garcia, and Ibon Amatrian ride a wave during the first round



Professional surfer Mark Healy wipes out on a 40ft wave



Professional surfer Peter Mel drops into a 35ft wave on the north shore of Oahu



Kelly Slater competes in the second heat



Surfer Kelly Slater punches the air after surviving this wave in the second heat



VIDEO - Surfers ride big waves in HawaiiHuges swells caused by Pacific storms provide right conditions for rare Eddie Aikau memorial contest
http://www.guardian.co.uk/world/video/2009/dec/09/usa-surfing

VIDEO - Joel Parkinson takes surfing title in HawaiiAustralian wins the O'Neill World Cup of Surfing contest in Hawaii as forecasters warn of waves up to 50 feet
http://www.guardian.co.uk/sport/video/2009/dec/08/joel-parkinson-surfing-hawaii-australian