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Heavy rain warnings typically have a lead time of 15 to 30 mins. You can subscribe to the MSS Heavy Rain Warning alerts via SMS here.
Heavy Rain Warning; Haze Information; Tropical Cyclone Information; Regional Earthquakes/Tsunami; Regional Volcanic Eruptions
Rainfall. Rainfall is plentiful in Singapore and it rains an average of 171 days 1 of the year. Much of the rain is heavy and accompanied by thunder. The 1991-2020 long-term mean annual rainfall total is 2113.3mm. [1 A day is considered to have “rained” if the total rainfall for that day is 0.2mm or more.]
Heavy Rain Warning; Haze Information; Tropical Cyclone Information; Regional Earthquakes/Tsunami; Regional Volcanic Eruptions
The 2018 annual total rainfall at most stations across the island was close-to-average. At the Changi Climate Station, however, the rainfall recorded was 1708 mm which was about 21%
The major weather systems affecting Singapore that can lead to heavy rainfall are: Localised thunderstorms/showers caused by strong daytime heating of the earth’s surface; Sumatra squalls, an organized line of thunderstorms that typically develop over Sumatra island or the Straits of Malacca
Sep 11, 2024 · Hourly total rainfall refers to total rainfall over a 60-minute time frame on the hour. 60-minute (30-minute) total rainfall refers to total rainfall over a moving 60-minute (30-minute) time frame every 5 minutes.
Dec 16, 2022 · The daily total rainfall of 127.4mm, recorded around West Coast Road area, was the highest daily total rainfall for the first fortnight of December 2022. 7 In the first half of December 2022, the daily maximum temperature was below 32 degrees Celsius on most days due to the rainy weather.
Jun 16, 2022 · On some of these days, the thundery showers could be heavy, due to strong day-time heating of land areas coupled with convergence of winds over Singapore and the surrounding vicinity. Overall, the rainfall for June 2022 is forecast to be above-average over most parts of the island.
Sep 16, 2024 · On 4 September 2024, moderate to heavy thundery showers fell over many parts of Singapore in the late morning and early afternoon. The daily total rainfall of 57.4 mm recorded at Buona Vista that day was the highest rainfall recorded for the first half of September 2024.
