article_snippet.sent: A 'blob' of warm water 2,000 miles the Pacific Ocean was discovered last year, with temperatures one to four degrees Celsius (two to seven degrees Fahrenheit) above surrounding ‘normal’ water.
article_snippet.sent: And A 'blob' of warm water 2,000 miles has now extended about 1,000 miles (1,600km) offshore, from Mexico up to Alaska, and could herald a warmer summer for some regions.
article_snippet.sent: A 'blob' of warm water 2,000 miles across is sitting in the Pacific Ocean (shown in diagram).
article_snippet.sent: Since last June A 'blob' of warm water 2,000 miles has extended from Alaska to Mexico.
article_snippet.sent: A 'blob' of warm water 2,000 miles has been present since 2013 and causing fish to seek shelter elsewhere.
article_snippet.sent: A new study by University of Washington Washington found that a high-pressure ridge could be causing A 'blob' of warm water 2,000 miles, by trapping heat in the water.
article_snippet.sent: In June of last year, the huge patch of water stretched 1,000 miles (1,600km) in each direction, and was 300ft (90 metres) deep.
article_snippet.sent: But exactly how this area of warmer water has formed, or how long this area of warmer water will stay, remains a mystery.
highlights_snippet.sent: A 'blob' of warm water 2,000 miles across is sitting in the Pacific Ocean .
  
highlights_snippet.sent: A 'blob' of warm water 2,000 miles has been present since 2013 and causing fish to seek shelter elsewhere .
  
highlights_snippet.sent: But it is not clear where A 'blob' of warm water 2,000 miles has come from - or how long A 'blob' of warm water 2,000 miles will stay .