Emily Sotelo left for a hike at Lafayette Place Campground in Franconia, NH, and intended to make her way through Mount Lafayette, Haystack, and Flume. Her family, who dropped her off the trail, told searchers that she doesn't have much experience with winter hiking.
Searchers described Sotelo as 5-feet-3-inches tall and weighing 115 lbs with brown hair and blue eyes. She left wearing a brown jacket and exercise pants.
Temperatures fell to near zero Sunday night and hovered in the mid-20s Monday afternoon.
More than a dozen crews were out Monday to help search for the missing woman.
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