Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the top of parked cars, even when the air temperature is above freezing. Why does this happen?

Asked by Topperlearning User | 14th May, 2015, 01:09: PM

Expert Answer:

Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the top of parked cars, even when the air temperature is above freezing. This happens because the tops the tops of the cars are cooled by radiation.

Answered by  | 14th May, 2015, 03:09: PM