What are tidal bores?
Wednesday, March 5, 2014 - 09:40
in Earth & Climate
Surfers and spectators gathered along the Severn Bore in Gloucestershire, England, in recent days to take advantage of the tidal wave that swept upstream. What's known as a tidal bore – a wave of up to 2.8 metres – came in from the Atlantic on Sunday and a five-star bore (the largest waves that occur) coursed up the river on Monday morning.