Weather Blog The Arches That Salt Built A layer of salt called the Paradox Formation played a crucial role in the formation of thousands of arches within Utah’s Arches National Park. Read More… About Author OTW Observer See author's posts Post navigation Previous Met Office shares best possible London weather forecast for May 10-11 weekendNext London weather to bask in 11 days of sunshine – when temperatures will be hottest Related Stories Australia’s Cloudy Beauty Weather Blog Australia’s Cloudy Beauty May 12, 2026 NASA’s Curiosity Takes Close Look at Rock That Got Stuck on Drill Weather Blog NASA’s Curiosity Takes Close Look at Rock That Got Stuck on Drill May 12, 2026 Color Off the Mid-Atlantic Coast Weather Blog Color Off the Mid-Atlantic Coast May 11, 2026