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 Home Reef Adds On Weather Blog Home Reef Adds On February 17, 2026 Surveying Popes Creek Weather Blog Surveying Popes Creek February 16, 2026 Stonebreen’s Beating Heart Weather Blog Stonebreen’s Beating Heart February 13, 2026