Snowfall Polar Vortex Wind Chill Temperature Drops Winter Storms Weather Alerts Fog Arctic Air Arctic Blast Snow Frost Extreme Weather Temperature Temperature Records Snow Events Winter Weather Cold Waves Temperature Changes Cold Wave Temperature Extremes Health Alerts Severe Weather Arctic Outbreak Forecasts Weather Warnings Fog Conditions Regional Weather Temperature Alerts Extreme Temperatures Arctic Air Mass Cold Fronts Snowstorms Impact on Operations Arctic Conditions Polar Air Mass Frost Conditions Advisories Alberta Clipper Cold Day Conditions Weather Systems High-Pressure Systems Winter Patterns Snow and Ice Arctic Front Seasonal Weather Storm Systems Regional Effects Freezing Temperatures Frost Quakes Arctic Fronts Arctic Airmass Icy Conditions Travel Disruption Snow Types Temperature Monitoring Winter Weather Advisories Siberian Cold Temperature Trends Wind Effects Impact on Recreation Impact Weather Precipitation Types Temperature Patterns Impact on Daily Life Wind Chills Extreme Weather Events Extreme Cold Arctic Air Blast Temperature Forecasts Severe Cold Alerts Protective Measures Cold Air Masses
Forestry specialists say sudden deep freezes near minus 20°F can trigger loud trunk splits, not detonations.
