Live snowfall, snow depth, snow cover, and seasonal accumulation worldwide
This snow monitor displays live snowfall, current snow depth, and seasonal snow cover worldwide. Users searching for snow near me, snow report, or snow depth map can see current accumulation, recent snowfall, and season-to-date totals from observation networks and remote sensing.
Snow forms when water vapor in clouds at temperatures below 0°C deposits directly onto ice nuclei without first becoming liquid. Snowflake shape depends on temperature and humidity during growth — dendrites form near -15°C with high humidity, while needles, plates, and columns dominate at other conditions. Wet snow falls when temperatures near the ground are close to freezing, producing dense heavy accumulation that sticks well but loads structures and tree limbs.
Snow depth measures the vertical thickness of accumulated snow. Snow water equivalent (SWE) measures the depth of liquid water contained in the snowpack — typically about 10% of snow depth for fresh dry snow, rising to 20–30% for old or wet snow. SWE is the critical metric for water resource management in mountainous regions where snowmelt feeds rivers and reservoirs throughout the warm season.
Northern Hemisphere snow cover peaks in January at roughly 47 million square kilometres and retreats to less than 4 million km² by August. Snow cover plays a major role in Earth's energy balance through its high albedo — fresh snow reflects 80–95% of incoming solar radiation back to space. Declining spring snow cover is one of the clearest signatures of climate change in Northern Hemisphere observations.
Snow conditions drive winter recreation industries worth hundreds of billions globally — skiing, snowboarding, snowmobiling, and snow tourism. In water-stressed regions like the western United States, snowpack functions as the primary natural reservoir, with timing and volume of spring snowmelt determining agricultural and municipal water availability through the dry summer months.
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