The hong kong observatory received a report of waterspout sighted by a government flying service pilot at around 8 a . m . this morning ( 9 july 2003 , wednesday ) 天文台在今晨(二零零三年七月九日)八时左右接获一位政府飞行服务队机师目睹水龙卷的报告。
The weather observer of the hong kong observatory observed a waterspout to the southwest of the airport at around 8 a . m . this morning ( 31 july 2003 , thursday ) 天文台的天气观测员在今晨(二零零三年七月三十一日)八时左右目睹在赤?角机场的西南方出现水龙卷。
a tornado passing over water and picking up a column of water and mist
百科解释
A waterspout is an intense columnar vortex (usually appearing as a funnel-shaped cloud) that occurs over a body of water, connected to a cumuliform cloud. In the common form, it is a non-supercell tornado over water.