Snow, the solid form of water that crystallizes in the atmosphere and, falling to the earth, covers, permanently or temporarily, about 23 percent of the earth’s surface. Snow forms when the atmospheric temperature is at or below freezing (0°c or 32°f) If the ground temperature is at or below freezing, the snow will reach the ground However, the snow can still reach the ground when the ground temperature is above freezing if the conditions are just right. Daily snow observations from ghcn stations are available using the pulldown menus below to select the state, month, and year of interest for either snowfall or snow depth data Snow is more than a winter spectacle
It’s a fascinating natural phenomenon with important roles in the environment This article breaks down how snow forms, its types, and why it matters, all in a way that is easy to understand. Explore national winter weather forecast maps and cities impacted by snow and ice Snowfall patterns are shifting as the climate warms, with many regions already seeing declines These shifts impact water supply, ecosystems, winter recreation and hydropower generation Immerse yourself in the magic of snow
