Issued for winter storms with sustained or frequent winds of 35 mph or higher with considerable falling and/or blowing snow that frequently reduces visibility to 1/4 of a mile or less. These condition [..]

This product is issued by the National Weather Service when blizzard conditions are life threatening. The criteria for this warning varies from state to state.

Issued for winter storms with sustained or frequent winds of 35 mph or higher with considerable falling and/or blowing snow that frequently reduces visibility to 1/4 of a mile or less. These conditions are expected to prevail for a minimum of 3 hours.

Issued for winter storm with sustained or frequent winds of 35 mph or higher with considerable falling and/or blowing snow that frequently reduces visibility to 1/4 of a mile or less. These conditions [..]

Snow, strong winds and low temperatures will combine to produce a blinding snow, deep drifts and life threatening wind chill. This means temperatures below 20 degrees and winds above 35mph.

Sustained winds or frequent gusts of 35 mph (56 km/h) or greater, considerable falling and/or blowing snow reducing visibility frequently to 1/4 mile (0.4 km) or less for a period of three hours or mo [..]

Issued when falling or blowing snow is accompanied by winds of over 55 km (35 mi) per hour and reduced visibility.

Issued when blizzard

Issued for winter storms with sustained or frequent winds of 35 mph or higher with considerable falling and/or blowing snow that frequently reduces visibility to 1/4 of a mile or less. These condition [..]