What unique phenomenon can occur during the summer in Barrow?

The phenomenon that occurs during the summer in Barrow, also known as Utqiaġvik, is the Midnight Sun. During this time, the sun does not set for an extended period, leading to continuous daylight for several weeks. This occurs because Barrow is situated above the Arctic Circle, where the tilt of the Earth's axis allows the sun to remain visible at midnight during the summer months.

The Midnight Sun typically lasts from early May to early August, with the most prolonged daylight occurring around the Summer Solstice in June. Residents and visitors experience this unique aspect of Arctic life, which can significantly affect daily activities and the local ecosystem.

While Polar Nights refer to the period during winter when the sun does not rise, and permafrost is a ground condition prevalent in Arctic regions, these phenomena do not occur during the summer. An equinox represents an event in spring and fall when day and night are of approximately equal length, which is unrelated to the continuous daylight experienced during the summer months in Barrow.