WARNING: Heavy rain is likely to occur at isolated places over ghat areas of Nilgiris, Coimbatore, Theni, Dindigul and Tirunelveli districts.

Heavy rain

64.5 115.5 mm (7 11 cm)

Very heavy rain

115.6- 204.4 mm (12 - 20 cm)

Extremely heavy rain

>204.4 mm (21 cm or more)