Complex sentence: Violent, erratic wind drafts suck movables into the fire and as is observed with all intense conflagrations, radiated heat from the fire can melt asphalt, some metals, and glass, and turn street tarmac into flammable hot liquid.
Split into simpler sentences: Violent, erratic wind drafts suck movables into the fire. Radiated heat from the fire can melt asphalt, metal, and glass, and turn street tarmac into flammable hot liquid.