blizzard warning
Definition
An official alert issued by weather services, such as the National Weather Service in the US, warning of impending blizzard conditions: heavy snowfall (at least 1 inch per hour for 3 hours or 6 inches in 12 hours) combined with winds of 35 mph or higher, reducing visibility to less than a quarter mile.
A severe winter weather advisory urging people to avoid travel due to life-threatening conditions from snow, wind, and extreme cold.
Examples
The blizzard warning turned my weekend commute into a bad idea wrapped in a snow globe.
Ignoring the blizzard warning, Dave shoveled his driveway only to have it refilled by the next gust.
With a blizzard warning active, the neighborhood kids treated the streets like an all-you-can-snow buffet.
The app pinged a blizzard warning right as I was about to order pizza—talk about cosmic timing.