winter storm warning
Definition
An official alert issued by meteorological authorities, such as the National Weather Service in the US, indicating that severe winter weather conditions—including heavy snow, ice, sleet, or blowing snow—are expected to cause life-threatening impacts or significant disruptions.
A high-level advisory urging the public to prepare for hazardous conditions that could lead to power outages, travel delays, and dangerous accumulations of ice or snow.
Examples
The winter storm warning prompted my neighbor to build a snow fort out of toilet paper rolls.
Under the winter storm warning, I finally organized my sock drawer while binge-watching survival shows.
The winter storm warning turned rush hour into a parking lot interpretive dance.
Despite the winter storm warning, Karen insisted on her daily latte run and emerged victorious, if slightly frosted.