Case 2 : The effect of wind on the radiation level in Hong Kong
A strong winter monsoon arrived at the south China coast on 27th December 2004, bringing fresh northerly winds to Hong Kong. Under northerly winds which blew off the continent, the radiation monitoring station at Sha Tau Kok recorded a higher ambient radiation level during 27th - 30th December 2004.
A strong winter monsoon arrived at the south China coast on 27th December 2004, and persisted over Hong Kong in the following few days.
The ambient radiation level recorded at the Sha Tau Kok radiation monitoring station from 26th - 31st December 2004