Causes 

Early August witnessed thunderstorms in Kolkata, primarily has caused due to the southwest monsoon season. This proceeds from June whichto September. The Bay of Bengal contributes an important part in this climate sequence. It is delivering the winds with waters that have saturated with moisture absorption. Moreover, it has generated substantial quantities of precipitation that occurs. Tropical disruptions as well as low-pressure conditions prevail circulations within the Bay of Bengal also commonly reinforce the monsoon. This consequently triggers torrential rainfall. The metropolitan area of Kolkata is more susceptible to inundation as the consequence of growing cities as well as insufficient drainage systems.

Figure 1: Heavy rainfall: Kolkata in August

(Source: https://www.indiatoday.in/india/story/heavy-rainfall-predicted-over-gangetic-west-bengal-between-august-4-and-6-1836720-2021-08-04 )

Effects 

In Kolkata, there are multiple repercussions from the most recent rains. Flooding is a significant repercussion that affects everyday operations as well as catastrophically harms structures, residences, as well as business establishments. Congestion in traffic as well as disruptions to transportation resulting from getting waterlogged in the highways has adversely affected both emergency personnel as well as travelers. The proliferation of illnesses that are waterborne including encephalitis, diarrhea, as well as dysentery spurred on by contaminated water escalates potential risks to the health of the population. Business activity decreases down while damaged infrastructure repair rates rise, which has an adverse influence on the global economy.

 Figure 2: Heavy rainfall: Kolkata in August

(Source: https://timesofindia.indiatimes.com/city/kolkata/till-aug-12-kolkata-gets-40-of-monsoon-rain/articleshow/102688824.cms )

Precautions 

Heavy precipitation has resulted in detrimental consequences, therefore it’s essential to take preparations. Long-term avoidance flooding as well as getting waterlogged have necessitated substantial based enhancements to the town’s water drainage system. Rainfall capacity has increased by conducting regular checks as well as repairs on drainage. Effective flood management based strategies, which involve the construction of embankments as well as retaining water basins, have developed. All these have carried out through the right government agencies.

Public awareness centric campaigns might educate individuals regarding how to stay secure, including remaining away from waterlogged regions, preparing water to boil before swallowing it. These activities have maintained  sanitary in order to prevent getting sick. Teams assigned to situations of emergencies have fully furnished to render rapid help, such as medical intervention as well as evacuation. Citizens ought to additionally implement personalized security measures like bolting up their dwellings, accumulating the necessary supplies, maintaining up with meteorological advisory along with forecasting bulletins.

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Monsoonal activity as well as cyclonic perturbations are the primary contributors of Kolkata’s substantial precipitation in the start of August. Flooding, medical as well as financial turmoil represent only among some of its possible catastrophic repercussions. In order to lessen these consequences as well as guarantee their safety as well as wellbeing of Kolkata’s citizens, adequate preventive strategies as well as technological upgrades have required.

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