Snow Squall Awareness Week 2025 Activities. Squalls could deliver up to 50cm of snow by end of week january 01, 2025 / brennen perry. In recent years, the national weather service has started issuing snow squall warnings to alert motorists and help mitigate the impacts of snow squalls on the roadways.
Snow squalls are the biggest threat to motorists during the winter months. Is issued when a band of very heavy snow is expected to produce snowfall above 2 inches per hour, visibilities less than 1/4 mile for between 15 and 30 minutes.