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Hypothermia Confirmed in Mount Marcy Hiker’s Death After 911 Call

Cloud cover thwarted helicopter spotting, prolonging the ranger search to six hours.

Overview

  • Brianna Mohr, 21, of Brick, New Jersey, called 911 around 3 p.m. on Feb. 12 after slipping near Mount Marcy’s summit and was found around 9 p.m. with her dog beside her.
  • A forensic autopsy conducted Feb. 14 at Glens Falls Hospital by Dr. Michael Sikirica determined the cause of death was hypothermia.
  • New York State Forest Rangers used snowmobiles and a tracked utility vehicle, while the State Police Aviation Unit flew overhead for a potential hoist rescue.
  • Low cloud cover prevented helicopter crews from locating her, and a ranger was inserted at the Marcy Dam Outpost to continue the ground search.
  • Temperatures in the area ranged from roughly −8°F to 20°F that day, and officials said the dog was uninjured and rescued; family members later shared public tributes.