The India Meteorological Department (IMD), in its 25th bulletin sent at 2.24 a.m. on Monday (October 27, 2025), said the deep depression over southeast Bay of Bengal and southwest Bay of Bengal intensified into a cyclonic storm 'Montha'.

At 11.30 p.m., the storm lay centred over southwest and southeast Bay of Bengal, about 640 km east-southeast of Chennai, 710 km southeast of Kakinada, 740 km south-southeast of Visakhapatnam and 860 km south of Gopalpur (Odisha).

Cyclone Montha updates on October 27, 2025

At 2.30 a.m., the storm moved west-northwestwards with a speed of 16 kmph during the past 3 hours and lay centred over the same area, which is about 600 km east-southeast of Chennai, 680 km south-southeast of Kakinada, 710 km south-southeast of Visakhapatnam, 790 km west of Port Blair and 850 km south of Gopalpur in Odisha.

In its 3 a.m. bulletin, the IMD said the storm is likely to continue to move west-northwestwards over southwest and westcentral Bay of Bengal during the next 12 hours and intensify into a Severe Cyclonic Storm by October 28 morning. Continuing to move further north-northwestwards, it is very likely to cross Andhra Pradesh coast between Machilipatnam and Kalingapatnam around Kakinada during October 28 evening or night as a Severe Cyclonic Storm with a maximum sustained wind speed of 90-100 kmph gusting to 110 kmph.

Rainfall has begun in a few districts in Andhra Pradesh around Sunday night, as Prathipadu in Kakinada district received around 79.5 mm rainfall between 8.30 a.m. on October 26 and 6 a.m. on October 27, followed by Kurrapalle in SPSR Nellore district at 64.5 mm, Chinnachepalle in YSR Kadapa at 41.5 mm rainfall, according to information available with the Directorate of Economics and Statistics (DES).

A.P. State Disaster Management Authority (APSDMA) Managing Director Prakhar Jain said 9 State Disaster Response Force teams and 7 National Disaster Response Force have been kept ready as extremely heavy rainfall is likely in the seven districts of Kakinada, Dr. B.R. Ambedkar Konaseema, West Godavari, Krishna, Bapatla, Prakasam and Nellore on Monday (October 27).

Deep depression over the Bay intensifies into cyclonic storm Montha