cold spell 寒潮

cold spell
繁：寒潮
简：寒潮

寒潮持續，溫度低處未算低。天文台預測本周二(6日)是今次寒潮最後一擊，在雲量減少下，增加「輻射冷卻」效應，使內陸地區散熱更快，周二市區溫度最低8度，新界更低至4度，天文台形容將比今早(5日)還要再低2至3度，並有機會出現結霜。

寒潮最後一擊明早「輻射冷卻」最凍　天文台預測新界最低4度（2018年2月5日）。香港經濟日報，取自https://topick.hket.com/article/2006111/

As the city continued to be gripped by a week-long cold spell, a second frost warning was issued on Sunday afternoon by the Hong Kong Observatory, which said ground frost was likely to occur early on Monday morning in the northern part of the New Territories.

Hong Kong Observatory issues second frost warning as cold snap continues. (2018, February 4). South China Morning Post. Retrieved from https://www.scmp.com/news/hong-kong/community/article/2131949/second-frost-warning-weekend-issued-hong-kong-observatory