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Bright skies, gentle breezes and a panoramic view of majestic peaks draped in snow - this describes the autumn experience that trekkers on the world's highest peak have grown to adore.

But that seems to be shifting.

Changing Climate Conditions

Weather experts say the monsoon now stretches into autumn, which is historically the high-altitude tourism period.

During this prolonged tail end of the rainy season, they have recorded at least one episode of extreme precipitation nearly every year for the past ten years, with high-altitude weather becoming increasingly dangerous.

Latest Emergency on Everest

Last weekend, a unexpected blizzard stranded several hundred of travelers near the eastern face of Everest for multiple days in bitterly cold conditions at an elevation of more than 16,000ft.

Approximately six hundred trekkers were guided to security by the conclusion of that week, according to sources.

A single person had succumbed from extreme cold and mountain sickness, but the remaining individuals were said to be in good health.

Similar Incidents Across the Region

This was on the Tibetan slope but something similar had developed on the southern slope, where a Korean mountaineer died on Mera Peak.

The international community learned much later because communications were affected by heavy downpours and heavy snowfall.

Officials estimate that landslides and sudden floods in the region have killed approximately sixty individuals over the previous week.

"This is very unusual for October when we expect the weather to stay calm," said an experienced mountain guide.

Economic Consequences

Considering this is the favored period, regular storms like this have "hampered our trekking and climbing industry," he continued.

The monsoon season in the Indian subcontinent and the Himalayan nation usually lasts from early summer to early autumn, but no longer.

"Our data shows that the majority of the years in the past ten years have had monsoons continuing until the second week of autumn, which is definitely a change," said a high-ranking weather expert.

Increasing Climate Extremes

Even more concerning is the heavy precipitation and snow the concluding phase of the period brings, like it did recently on 4 and 5 October.

At elevation in the Himalayas, such extreme conditions means snowstorms and winter storms, which constitutes a huge danger for trekking, mountaineering and tourism.

Firsthand Accounts

Exactly what happened last weekend when the conditions shifted quite suddenly - the air currents began howling, temperatures plummeted and visibility decreased drastically.

The trail that had easily led the hikers to what should have been a stunning resting point was now covered in white accumulation and impossible to navigate.

Nevertheless, one hiker, who had climbed these mountains more than a dozen occasions, reported he had "never experienced conditions like this" before.

Scientific Explanations

One big driver is the higher amount of moisture in the air because of how the planet has been warming, researchers say.

This has contributed to heavy precipitation over a brief period of duration, frequently after a extended dry spell – in contrast to in the past when seasonal rains were distributed uniformly over the entire season.

A Intensified Monsoon

Climate experts say the monsoons in the region at occasions seem to have become stronger because they are more frequently interacting with another weather system, the westerly disturbance.

This is a atmospheric depression that originates in the Mediterranean region and travels eastward - it transports cold air that brings rains and sometimes snow to the subcontinent, Pakistan and the Himalayan region.

Climate Warming Impacts

Scientists have additionally found that in a heating planet, the growing interaction between western weather systems and monsoons is producing an additional atypical result.

The warmer air is pushing the weather systems to greater altitudes, which indicates these atmospheric conditions are now capable to pass over the mountain barrier and affect the Tibetan plateau and additional regions that did not see so much rain before.

"The transformation is the predictability of patterns; we cannot presume that conditions will occur the identical from year to year," commented an seasoned expedition leader.

"This implies adaptable planning, real-time choices, and experienced leadership [in the Himalayas] have become increasingly crucial."