WATCH: Stormy weather produces wobbling sea foam at Alnmouth

Sea foam at Alnmouth.
Sea foam at Alnmouth.
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This spell of bad weather has highlighted a number of phenomena created by natural forces.

But one of the more unusual is sea foam, which our photographer Jane Coltman filmed at Alnmouth this morning. The froth has been whipped up by the rough sea and the high winds have then gone to work, making the bank of foam look like a shimmering jelly.

According to Wikipedia, sea foam or spume is 'created by the agitation of seawater, particularly when it contains higher concentrations of dissolved organic matter (including proteins, lignins and lipids) derived from sources such as the offshore breakdown of algal blooms. These compounds can act as surfactants or foaming agents. As the seawater is churned by breaking waves in the surf zone adjacent to the shore, the presence of these surfactants under these turbulent conditions traps air, forming persistent bubbles that stick to each other through surface tension. Due to its low density and persistence, foam can be blown by strong on-shore winds from the beach-face inland.'