Warm air over cold water can produce a ‘superior’ mirage

Refraction bends light

downwards towards

colder region

Ship appears to float

in the air

Progressively

warmer air

Cold water

Refraction bends light

downwards towards

colder region

Ship appears to float

in the air

Progressively warmer air

Cold water

Refraction bends light

downwards towards

colder region

Ship appears to float in the air

Progressively warmer air

Cold water