All weather systems
“Weather sandwich - cold front devours warm front creating layered chaos”
Formation
Fast-moving cold front catches up to warm front, lifting warm air completely off surface
Impact
Complex weather with multiple precipitation types
Technical specs
Wind20-50 mph
TemperatureVariable, depends on type of occlusion
RegionsMature storm systems in mid-latitudes
uncommon
Etymology
Latin 'occludere' (to shut up, close up) - the warm air is closed off from the surface