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 Where Venezuela’s Earthquakes Shifted the Ground Weather Blog Where Venezuela’s Earthquakes Shifted the Ground July 10, 2026 Super Typhoon Bavi Weather Blog Super Typhoon Bavi July 9, 2026 Cottonwood Fire Chars Utah Weather Blog Cottonwood Fire Chars Utah July 8, 2026