California

Record high temperatures and drought have left California’s Mt. Shasta without its usual snowcover

CaliforniaMount Shasta, one of the highest mountains in the Americas, has a huge bald spot.

The dormant volcano, about 14,179 feet above sea level, at the top of the mountain is usually covered with snow all year round.

However, satellite analysis comparing the snowfall at the peak of Shasta in July and August of this year with the previous summer draws a gloomy picture in the sparse white areas.

Record high temperatures and catastrophic droughts have caused little snow earlier this year, accelerating the melting of already endangered glaciers, experts said.

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Due to record-breaking waves and droughts, Mount Shast in California has barely snowed. This August 24th post from Mount Shasta Ski Park shows an iconic summit that seems to lack almost all powder.

Glacier Mauripert, director of the North Cascade Glacier Climate Project, said the Shasta glaciers “have lost much more because they had cleared the snow by mid-July.” Washington post..

When Mount Shasta was naked in the past, it was in late summer or even autumn.

“Imagine how fast it melts for two months, not just a few days at the end of September,” Pelto said.

In the town of Shasta, California (about 5 miles southwest of the mountain, 3,500 feet above sea level), thermometers reached 103 degrees twice this summer.

Satellite images on June 16th, 28th and July 18th show the progressive loss of snow cover in glaciers.

Satellite images on June 16th, 28th, and July 18th show the gradual loss of snow on the Whitney Glacier, the largest Mount Shasta in California.

A photo of Mount Shasta in August 1973 shows Mount Shasta covered in snow. Today, about 1 square mile of glacier ice remains on Mount Shasta. This is less than half the glaciers that existed in the early 1980s.

A photo of Mount Shasta in August 1973 shows Mount Shasta covered in snow. Today, about 1 square mile of glacier ice remains on Mount Shasta. This is less than half the glaciers that existed in the early 1980s.

Even on the mountainside, temperatures reached 77-84 degrees Celsius at the end of June, and California’s largest Whitney Glacier melted rapidly.

The Whitney Glacier has receded about 0.5 miles over the last 16 years, about a quarter of its total length.

According to the post, in 2021 alone, 15-20% of its volume has been lost and split into two small glaciers.

Today, about a square mile of glacier ice remains on Mount Shasta, less than half that of glaciers in the early 1980s, according to Pelto.

“Loses are accelerating and 2021 will be the single largest volume loss year,” he told Post.

on twitterThe fragmentation of Shasta’s glaciers due to exceptional melting is “not easy or perhaps reversible,” Pelto said.

A map showing that the glaciers of Mount Shasta are fragmented due to exceptional melting, the situation Pert says is

A map showing that the glaciers of Mount Shasta are fragmented due to exceptional melting, the situation Pert says is “not easy or perhaps reversible”

Geologist Nick Caselli, Operations Director of Shasta Mountain Guides, said: Mount Shasta News In August, a “superb loss of snow” exposed the west side of the mountain.

In the highlands, snow accumulates on the ground and remains until warm weather.

It adds mass to glaciers, waters streams and rivers as the snow melts, and provides drinking water to many communities.

He added that there are places where “there is a significant difference” because the glaciers are receding.

“For example, above 11,200 feet, it was all snow,” Caselli told the news at the top of the ridges from the Hotlum and Bolam glaciers. “You were 100% on the snow.”

Now bare land is beginning to emerge from snow and ice, “now it seems to be a permanent feature,” he said. “You can track it even a little.”

The Hotlum glacier is reportedly also divided into smaller fragments.

Ryan Sandler, a National Weather Service meteorologist, says there were other times when Shasta had little or no snow, including during the 2014 California drought.

Sandler said San Francisco Gate He will also see a 1992 photo showing the mountains with little snow, which was from October of that year.

California relies on just a few severe winter storms to account for its snow cover and rainfall, he said, and in recent years the Golden State has seen warmer temperatures and fewer larger storms. I did. Mount Shasta by summer.

“What’s happening on Mount Shasta is a visual representation of the drought,” Sandler told the outlet. “We are falling from extreme droughts to exceptional droughts in the region.”

August 24, Mt. Shasta Ski Park I posted a photo on Facebook Almost all the snow at the iconic summit seems to be missing.

“In the past, Mount Shasta had snow on the summit all year round. This summer is different,” read the post. The small white spots in the photo say, “It’s glacier ice, not snow.”

According to a park post, Mount Shasta got half of the typical snowfall last winter.

As a result, Lake Shasta, the state’s largest reservoir, has a capacity of 25% and falls 0.5 feet per day.

“Snow got stuck after trees protected from the sun and wind,” the post continued. “The snow that fell on the mountains was not protected from the wind and the sun. [and] It was blown away right next to the mountain. Then when summer came, there wasn’t much snow and the rest was treated with sun / heat.

The glaciers seen from the north side of the mountain are melting “very rapidly”, and the posts continue, causing a mudflow called a lahar that can wash away roads and bridges.

“The effects of climate change are visible,” the park concluded. Our hearts are with our neighbors who are currently affected by lahars and fires.



Record high temperatures and drought have left California’s Mt. Shasta without its usual snowcover Source link Record high temperatures and drought have left California’s Mt. Shasta without its usual snowcover

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