Quote:
Originally Posted by Happydaz
We lived near a main highway in California and during cold mornings the highway noise was very loud, (Sounded like a jet engine taking off) but during hot summer days it seemed much more quiet. We now live just south of 466A and on cold mornings we can hear more traffic noise which appears to come from all directions and may include noise from 44 and 301 as well as nearby 466A. Maybe a sound engineer could add more information on this.
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Sound is louder in cold air. This is because as the temperature goes down the sound waves have a tendency to refract more and they are usually refracted towards the ground. Further, the intensity of the sound will be higher.