All Regions Weather Blog Silhouette of a Solomon Island The dark shape of Rennell Island, including its raised coral atoll, stands out amid the sunglint. Read More… About Author OTW Observer See author's posts Post navigation Previous A Massive Seaweed Bloom in the AtlanticNext Warming Water and Downpours in Peru Related Stories BBC Weather verdict on London snow returning as new map gives purple alert warning All Regions Europe BBC Weather verdict on London snow returning as new map gives purple alert warning January 17, 2026 London snow warning as blizzard forecast with UK facing up to 51cm All Regions Europe London snow warning as blizzard forecast with UK facing up to 51cm January 17, 2026 Blooming Seas Around the Chatham Islands Weather Blog Blooming Seas Around the Chatham Islands January 16, 2026