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.
The warning came at 4.30pm and was a specific reminder to local farmers. The Observatory issued its first frost warning in two years on Saturday evening and this lasted for about 12 hours.
The observatory’s scientific officer Law Siu...
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