The India Meteorological Department (IMD) has issued an orange alert for the districts of Chittoor, Tirupati and SPSR Nellore as heavy to very heavy rainfall is likely in these districts between 3 p.m. on Saturday and the corresponding time on Sunday, October 18.

Yellow alert remains for Rayalaseema and central Andhra Pradesh, including YSR Kadapa, Anantapur, Kurnool, Nandyal, Sri Sathya Sai, Annamayya, NTR, Krishna, West Godavari, Guntur, Palnadu, Prakasam, Bapatla, and Dr. B.R. Ambedkar Konaseema, where isolated heavy rainfall is likely on Saturday and Sunday.

On October 19, yellow alert is in place for the districts of Chittoor, SPSR Nellore, Tirupati and Prakasam, and on October 20, the alert has been given for Guntur district in addition to the above four districts.

Isolated heavy rain is likely in Coastal Andhra Pradesh and Rayalaseema till October 21. Thunderstorms and strong winds are also likely during this period. There are no such alerts for the northern districts.

According to the IMD, heavy rain over Rayalaseema and South Coastal Andhra Pradesh is triggered by an upper air cyclonic circulation that lies over North Tamil Nadu and adjoining South Coastal Andhra Pradesh. There is also a trough that runs from upper air cyclonic circulation over northern parts of Lakshadweep to Southwest Bay of Bengal, across Keralam and Tamil Nadu.

On Saturday, between 8.30 a.m. and 3 p.m., Kalugurthipadu in Tirupati district received the day’s highest rainfall of 61.31 mm, followed by Santhanuthlapadu in Prakasam district (55.87 mm), Seetharamapuram in SPSR Nellore district (54.44 mm).

Many stations in the districts of YSR Kadapa, Markapuram, Nandyal, Dr. B.R. Ambedkar Konaseema, Tirupati, Anakapalli, SPSR Nellore, Prakasam received moderate showers till 3 p.m.