All weather systems
“Cold blade - dense air wedge slicing through warmth with thunderous fury”
Formation
Dense cold air rapidly undercuts and lifts warm air
Impact
Violent but brief weather followed by clearing and cooling
Technical specs
Wind25-60 mph, gusty
TemperatureSharp temperature drop (10-20°F in hours)
RegionsMid-latitude regions, especially Great Plains
common
Etymology
Named for the leading edge of a cold air mass replacing a warm one