The thunderstorms hit Chennai and its environs on the 5th of August after a short break. Some other parts of coastal Tamil Nadu also received a heavy spell of rainfall until daybreak.
Places that were experiencing warm weather until Sunday got a respite as rainfall made a comeback. Road traffic slowed down due to overnight thundershowers, several parts of Chennai witnessed waterlogging during morning rush hours.
According to data compiled by the Regional Meteorological Centre, Chennai, Ennore received heavy rainfall of 9 cm and Anna University and Chembarambakkam (8 cm) near Chennai between 8.30 a.m. on August 4 to 5.30 a.m. on August 5.
Other localities that recorded massive overnight rainfalls included Cuddalore (8 cm) Neyveli (12 cm), Hindustan University in Kancheepuram (10 cm). In addition, there was light-to-moderate intensity rain at Meenambakkam, Poonamallee, Pallikaranai and Nungambakkam weather stations in Chennai; Kallakurichi, Coonoor, Perambalur, Namakkal, Ranipet and Salem towns.
Thunderstorms are expected to return to the State now that rains have reduced over the west coast . Similarly, this week evening thunderstorms will be experienced, in the rainshadow zone where westerlies weaken like in chennai. Convection would set in due to heat rising during day time & convergence of two conflicting winds i.e., cool easterlies with hot dry westerlies .
The RMC has forecasted that scattered rains would continue over few places in TN on Monday and six districts including Cuddalore, Thiruvarur and Nilgiris can record heavy rainfall at isolated places on Monday
On Monday strong surface winds with speed reaching up to 30-40 km per hour are expected over Tamil Nadu and Puducherry.
According to RMC’s nowcast valid till 1 p.m. on Monday light to moderate rains are possible over Chennai and its neighbouring districts and thunderstorms over Kanniyakumari, Tirunelveli, Tenkasi and Virudhunagar districts.
