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2025-08-01 09:42:14
[The wildfire in Grand Canyon National Park continues to rage, and a huge "pyrocumulus cloud" rises in the sky] According to a report by CBS on July 31st local time, the wildfire in the Grand Canyon National Park area in Arizona, USA, is still raging. According to fire officials, as of the morning of the 31st, only 4% of the fire boundary was under control, and the burned area exceeded 105,000 acres (about 425 square kilometers). The report also said that a time-lapse video shot on the 29th local time showed that the smoke from the wildfire formed a huge "pyrocumulus cloud" near the Grand Canyon. A local emergency management team shared the video on social media and explained that "these clouds can be extremely powerful. In some cases, they can trigger storms, lightning, and even tornadoes." It is reported that "pyrocumulus clouds" are formed by atmospheric convection triggered by heat generated by activities such as wildfires. The team also warned that this phenomenon may also spread smoke to nearby areas. Inhaling wildfire smoke may pose serious health risks. Residents in areas with poor air quality are advised to stay indoors and consider wearing N95 masks if they need to go out.
