Dhaka, Nov. 7 -- Bangladeshi adventurer Md Ahsanul Haque Khandaker summited Mera Peak Central (6,461 meters) in Nepal's Himalayas this week.

Along the way, he had to battle fierce winds and freezing temperatures in what climbers are calling one of the most unpredictable autumn seasons in recent memory.

Ahsanul, a corporate professional turned high-altitude climber, set out from Kathmandu on October 27.

His route took him through the classic trail via Lukla, Kote, and Khare before a final night push from Mera High Camp. He topped out at 9:58 a.m. on November 5, fighting through heavy gusts and snow flurries near the summit.

"It was brutal," he said afterwards. "But every hardship on that mountain felt worth it when I looked out from th...