Surfers On The River Severn

What is a tidal bore and how is it formed?

• A tidal bore is a wave formed by the gravitational pull of the sun alone.

• A tidal bore is a type of wave formed by underwater volcanic activity.

• A tidal bore is a common wave formed by the wind blowing over the ocean surface.

• A tidal bore is a rare type of wave formed by the incoming tide pushing against the river current.

How often do five-star tidal bores occur in a year?

• They occur every month.

• They occur three times a year.

• They occur once a year.

• They occur every week.

What unusual alignment affects the strength of the tidal surges?

• The alignment of the sun and the moon.

• The alignment of the sun and Jupiter.

• The alignment of the Earth and Venus.

• The alignment of the Earth and Mars.

What is the expected impact of the gravitational pull in 2015?

• Tidal surges are expected to be lower than normal.

• Tidal surges are expected to be the same as usual.

• Tidal surges are expected to be non-existent.

• Tidal surges are expected to be higher than normal.

What is significant about the tidal bore being observed?

• It is the shortest tidal bore in the world.

• It is the longest tidal bore in the world.

• It is the fastest tidal bore in the world.

• It is the most colorful tidal bore in the world.