CHENNAI: After the city received scattered rainfall on Tuesday, the Met office predicted more rain toward evening or night on Wednesday.
It said the precipitation would occur from development of thunderclouds in the wake of excessively hot conditions for the past week.
The city records on average a maximum temperature of 35.3 Celsius during July. The maximum temperate over the last one week however has been in the range of 36 C to 38 C, the Met office said.
The maximum temperature on Monday and Tuesday were 37.7 C and 37.2 C, officials said.
The city’s southern suburbs felt the worst effects of the prevailing high temperatures. Meenambakkam recorded a maximum temperature of 39.5 C (4.6 C above normal).
The intense heat triggered several brief spells of rain in the last week, helping reduce temperature in Chennai.
On Tuesday evening, the temperature fell by more than 3 C due to cloud cover. The ensuing brief spell brought 4mm rainfall at Nungambakkam. The Met office has forecast a maximum of 37 C at Nungambakkam on Wednesday. The city’s average maximum temperature during August is 34.7 C.
Meanwhile, western parts of Tamil Nadu are set to get heavy rainfall (7cm to 11cm) on Wednesday as the south west is growing in strength. In the 24 hours until 8.30am on Tuesday, several parts of western Tamil Nadu recorded heavy to very heavy rainfall.Thuckalay (Kanyakumari district) received 15cm rainfall, Kuzhithurai (Kanyakumari district) 10cm, Nagercoil (Kanyakumari district) 8cm, Eraniel (Kanyakumari district) 7cm, Colachel (Kanyakumari district) and Mylaudy (Kanyakumari district) 5cm each. Since June, Nungambakkam has received 18cm rainfall (6% above normal) and Meenambakkam 15cm (45% below normal).
As per the IMD climatological table (1981-2010), the city will receive rainfall on nearly eight days in August. The Met office has forecast a generally cloudy sky with light rain or drizzle on Wednesday.