Monsoon Update: New Low Pressure System To Trigger Heavy Rain Across India

The monsoon pattern in India is undergoing a significant shift as the current season progresses. While the monsoon had shown signs of weakening in certain regions, a new meteorological development in the northern part of the Bay of Bengal is set to revitalize rainfall activities across the country. The India Meteorological Department (IMD) has closely monitored a cyclonic circulation that has now developed into a low-pressure area. This system is expected to gain further strength, leading to a fresh spell of heavy precipitation in several states.

Intensification of the Low Pressure System

According to the latest reports from the India Meteorological Department (IMD) issued on Wednesday, August 12, a new weather system has formed near the coasts of West Bengal and Bangladesh. Meteorologists predict that this system will evolve into a well-marked low-pressure area within the next 12 hours. On top of that, the system is anticipated to intensify into a depression over the subsequent 24 hours. By Thursday, August 13, this strengthening system is expected to move inland, triggering large-scale monsoon rainfall across various parts of India. The movement of this system is projected to be in a north-westerly direction, passing through West Bengal and adjoining Bangladesh, which will subsequently impact the weather patterns in Eastern and Central India.

Regional Rainfall Forecast and Impact

The presence of an active monsoon trough, which is currently positioned south of its normal location, combined with the cyclonic circulation, has created favorable conditions for widespread rain. For Thursday, August 13, the IMD has predicted heavy to very heavy rainfall, with isolated instances of extremely heavy rain, in Gangetic West Bengal and Odisha. The state of Chhattisgarh is also on alert for heavy to very heavy rainfall in several areas. The influence of this system will extend to other regions as well, with heavy rain expected in Jharkhand, Eastern Uttar Pradesh, Gujarat, and parts of Maharashtra, while western Madhya Pradesh and Rajasthan are also likely to witness significant downpours. In the northern hilly regions, the Western Himalayan range, including Himachal Pradesh, Uttarakhand, and Jammu and Kashmir, will continue to experience widespread rainfall. The IMD specifically noted that Eastern Rajasthan is expected to receive heavy rain on August 13 and August 14. Similarly, Western Madhya Pradesh is slated for heavy showers on Thursday, while the active monsoon will continue to affect parts of Gujarat and Maharashtra. In the southern peninsula, coastal areas of Karnataka and Kerala, along with Konkan, Goa, and parts of Tamil Nadu and the Northeast, are also expected to receive heavy rainfall.

Weather Outlook for Delhi-NCR

Residents of Delhi and the National Capital Region (NCR) can expect a relatively calm and pleasant weather experience on Thursday, although the possibility of rain remains. The IMD forecast suggests a partly cloudy sky throughout the day. There is a likelihood of one or two spells of very light rain occurring between morning and evening. The temperature profile for the capital indicates a maximum temperature ranging between 33 and 35 degrees Celsius, while the minimum temperature is expected to settle between 24 and 26 degrees Celsius. Looking ahead to August 14, the weather is expected to become more humid across a larger part of Northwest India. This shift will likely bring widespread rainfall to Haryana, Chandigarh, Delhi, and Punjab.

Recent Rainfall Observations

The weather activity over the past 24 hours leading up to Wednesday morning has already shown signs of intensity. Extremely heavy rainfall was recorded in parts of Eastern Rajasthan and Western Madhya Pradesh. On top of that, heavy rainfall reports have emerged from Maharashtra, Gujarat, and Western Uttar Pradesh, indicating that the monsoon remains active and potent as it transitions through this new phase of the low-pressure system development.