Mount Washington Avalanche Center
Avalanche conditions for Tuckerman and Huntington Ravines, issued by the U.S. Forest Service Snow Rangers.
AMC Weather & Trail Conditions
Weather and trail information recorded at the Appalachian Mountain Club’s huts in New Hampshire and Maine.
RMC Weather & Trail Conditions
Weather and trail information recorded at the Randolph Mountain Club’s Gray Knob hut in the northern Presidential Range of New Hampshire.
NWS Wind Chill Index
A National Weather Service chart showing the perceived air temperature felt by the body on exposed skin at various wind speeds.
NOAA POES Aurora Forecast
A directory of auroral activity extrapolated from the National Oceanic and Atmospheric Administration’s Polar-orbiting Operational Environmental Satellite.