The tilt of Earth's axis causes seasons; winter occurs when a hemisphere is oriented away from the Sun. Different cultures define different dates as the start of winter, and some use a …

Oct 19, 2025 · Winter, coldest season of the year, between autumn and spring; the name comes from an old Germanic word that means ‘time of water’ and refers to the rain and snow of winter …

Oct 16, 2025 · Winter is coming − but how cold is it going to be? Federal forecasters from NOAA's Climate Prediction Center gave us their answer Oct. 16 in their annual winter outlook. …

Sep 10, 2025 · When is the winter solstice? In 2025, the first day of winter is Saturday, December 21. So, what is the winter solstice and why does it happen? Learn all about the shortest day of …

This website is designed to teach you how to stay safe before, during and after a winter storm. You will find information on winter alerts, science and hazards, snow coverage maps, and …

WINTER definition: 1. the season between autumn and spring, lasting from November to March north of the equator and…. Learn more.

Winter has the coldest weather of the four seasons as the days become shorter and colder with snow dropping in the coldest areas. In the Northern Hemisphere winter comes in the …

Learn the signs of, and basic treatments for, frostbite and hypothermia. Frostbite causes loss of feeling and color around the face, fingers and toes.

Sep 25, 2025 · Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's …

Winter is one of the four Earth’s seasons, that goes after autumn and foreshadows spring. This season is the coldest in the whole year, but not in the tropical zones.