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 A Desert Intersection Weather Blog A Desert Intersection October 1, 2025 Imelda and Humberto Crowd the Atlantic Weather Blog Imelda and Humberto Crowd the Atlantic September 29, 2025 The Erie Canal Turns 200 Weather Blog The Erie Canal Turns 200 September 29, 2025