SINGAPORE: On Thursday , the Meterological Service announced that 2019 was the joint warmest year on record for Singapore, with an annual mean temperature of 28.4 degrees Celsius, a record set in 2016.
The 24-hour Pollutant Standard Index fell within the high end of the Moderate and Unhealthy ranges, peaking at 154 in southern Singapore on Sep 19, the highest level for the year.According to MSS, fires in the region escalated due to significantly drier conditions in southern Southeast Asia during the Southwest Monsoon season between June and September.
A landspout is a rotating column of air over land that stretches vertically to a developing cumulonimbus cloud over it, said MSS.Similar to a waterspout that develops over a water body, it is caused by the development of an intense thunderstorm under unstable atmospheric conditions, and usually has a life span of several minutes, and weakens quickly when the thunderstorm matures or dissipates.
"When the thunderstorm moved inland at around 11am, the moist air feeding into the intensifying storm resulted in a rotating column of winds over Gul Way around the Tuas area," said MSS.Many people will recall the week of heavy showers in the first half of December 2019.
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