THIRUVANANTHAPURAM: Making an early arrival after heavy summer rains, monsoon is expected to make landfall by this evening. Rain will continue for five days. There might be intermitten gap between showers.

Monsoon will be strong in central and southern districts. Light cloudburst is also possible.

All the districts received above average rainfall on Wednesday. Kochi and Thiruvananthapuram cities were submerged in water. Thiruvananthapuram received 52 mm of rain in one and a half hours and there was 94 mm rain in two hours in North Paravur. Kalamassery received 60 mm of rain in one hour and Kannur's Cheruvancheri received 61 mm of rain in half an hour.

Possibility of lightning flood

There is a likelihood of lightning flood. Low-lying areas will be flooded. Cumulonimbus clouds may form and cloudbursts may occur. Landslides and landslides will increase.

Yellow alert today

Thiruvananthapuram, Kollam, Pathanamthitta, Alappuzha, Kottayam, Idukki, Ernakulam, Thrissur, Palakkad, Malappuram, Kozhikode

There is possibility for sea attack. Fishing is not allowed.

How is monsoon confirmed?

At least nine of the 14 rain gauges installed in Lakshadweep, Kerala and Karnataka should record 2.5 mm or more of rain for two consecutive days. Westerly winds in the Arabian Sea should increase in strength. The rate of radiation of heat going up from the ground should decrease. When these come together, monsoon is confirmed. It arrived on June 8 in 2023 and May 29 in 2022.