Search results
Results from the WOW.Com Content Network
The last recorded year in which the lake froze over was in 1949, a very long, cold winter. A 95% surface freeze occurred in 1985. The immense depth of Crater Lake acts as a heat reservoir that absorbs and traps sunlight, maintaining the lake temperature at an average of 55 °F (13 °C) on the surface and 38 °F (3 °C) at the bottom throughout ...
Crater Lake Institute Director and limnologist Owen Hoffman states that "Crater Lake is the deepest, when compared on the basis of average depth among lakes whose basins are entirely above sea level. The average depths of Lakes Baikal and Tanganyika are deeper than Crater Lake; however, both have basins that extend below sea level." [19] [21]
In the Crater Lake area, winter lasts eight months with an average snowfall of 41 feet (12.5 m) per year. [6] During winter months, weather is usually cloudy, but due to high pressure systems over the Pacific Ocean that intensify during summer months, there is often little or no cloud cover during the summer.
Crater Lake actually started as a mountain, Mount Mazama. A volcanic eruption roughly 7,700 years ago caused the mountain to collapse inward over time, forming a volcanic crater, the park says.
In the Crater Lake area, winter lasts eight months with an average snowfall of 41 feet (12.5 m) per year. [6] Rim Drive is only open during the summer due to the heavy snowfall as the road is covered by more than 20 feet (6.1 m) of snow with drifts as deep as 60 feet (18 m) in some areas. [ 7 ]
More than 6 million people under winter weather alerts could see 6 to 12 inches of snow by this weekend. The wintry blast could dump up to 5 feet of snow in places like Buffalo and Watertown, New ...
The ice prevents these lakes from mixing in winter. During summer, these lakes lack significant thermal stratification, and they mix thoroughly from top to bottom. These lakes are typical of cold-climate regions (e.g. much of the Arctic). [1] An example of a cold monomictic lake is Great Bear Lake in Canada. [2]
Summer warmth is insufficient to thaw more than a few surface feet, so permafrost prevails under most areas not near the southern boundary of this climate zone. Seasonal thaw penetrates from 2 to 14 ft (0.6 to 4.3 m), depending on latitude, aspect, and type of ground. [ 2 ]