Bengaluru, May 17: Coastal and South Interior Karnataka, Tamil Nadu and Kerala, Mahe, are set to witness heavy rainfall. This sudden rain is due to the formation of two cyclonic circulations over the Lakshadweep area and the north Tamil Nadu coast.
Under the influence of these circulations and strong lower level westerly flow from the Arabian Sea, the following weather occurrences are likely:
As per the prediction by the India Meteorological Department (IMD), heavy to very heavy rainfall at isolated places very likely over Coastal and South Interior Karnataka, Tamilnadu and Kerala, Mahe.
Yellow alert has been sounded for Tuesday after most parts of the Karnataka witnesses heavy rain showers.
The weather department has sounded orange alert for the coast for Wednesday and red alert for Thursday, indicating heavy rainfall at isolated places of the state.
According to the weather office, Karnataka will witness heavy to very heavy pre-monsoon showers throughout this week. The downpour will mainly occur as a result of moisture-laden strong westerly winds in the Arabian Sea and a few other systems. There has been rain forecast for Kerala and Tamil Nadu too.
On Monday, the Southwest Monsoon hit the Andaman and Nicobar Islands and according to weathermen, conditions are favourable for it to advance at a faster pace.
Southwest Monsoon has advanced into some parts of South Bay of Bengal, and into most parts of Andaman & Nicobar Islands and the Andaman Sea today. It is very likely to cause widespread rainfall with isolated heavy falls and thunderstorms, lightning and gusty winds over Andaman & Nicobar Islands during the next five days.