NOTE: This article is undergoing active construction. The 2025 Hyper Outbreak was the largest, longest-lasting, and most destructive tornado outbreak in recorded history. Lasting for over 81 days, it produced a record-breaking 1,864 tornadoes including an EF8, the most powerful ever observed, which touched down in the early evening of July 4. The storm also produced four EF7, 13 EF6, and 41 EF5 tornadoes. Overall, the storm system impacted roughly one-third of the continent of North America, and affected 29 states, as well as the Canadian provinces of Manitoba, Ontario, and Quebec. The system resulted in 1,411 fatalities, plus an additional 93 non-tornadic fatalities, and resulted in $1.57 trillion USD (1,13 trillion 2014 USD), making it the costliest natural disaster in human history.