Monsoon Variability in Northwest India Amid Dry Winds from Pakistan
Current Monsoon Conditions
The monsoon continues to impact the country, yet fluctuations in weather patterns are evident in northwest India. Discussions are intensifying regarding the relatively dry winds originating from Pakistan. However, attributing the weakening of the monsoon solely to these winds would be an oversimplification, as various atmospheric and oceanic factors influence monsoon conditions.
Forecast for Rainfall
According to the latest bulletin from the India Meteorological Department (IMD), widespread rainfall is expected in Jammu and Kashmir, Ladakh, and surrounding areas from August 18 to 23. Rain is also forecasted for Himachal Pradesh between August 19-21, and for Uttarakhand from August 20-24, along with several regions including Delhi, Punjab, and Haryana.
Weather Situation in Northwest India
Rainfall from the monsoon is not uniform across the country. At times, precipitation intensifies in certain areas while other regions experience a lull. In northwest India, the monsoon's activity varies with the prevailing weather systems and wind patterns.
Current IMD forecasts indicate that rainfall activities may increase in several parts of northwest India in the coming days, suggesting that it is premature to assume a significantly weakened monsoon as we approach September.
Impact of Dry Winds from Pakistan
The dry winds from Pakistan may affect humidity and local weather conditions in parts of northwest India. However, factors such as the monsoon trough, low-pressure areas, sea surface temperatures, and global climatic conditions like ENSO play crucial roles in determining the strength of the monsoon.
Thus, linking the observed weather weakness solely to 'dry winds from Pakistan' is a scientifically simplistic conclusion.
Rainfall Expectations for September
September marks the final significant month of the monsoon season. During this time, rainfall patterns begin to shift, and the process of monsoon withdrawal may commence in various regions.
The IMD's seasonal forecast for 2026 indicated a likelihood of below-normal rainfall across the country from June to September. The update in May projected an overall seasonal rainfall estimate of approximately 90% of the Long Period Average (LPA), with below-normal rainfall expected in northwest India.
However, this forecast pertains to the entire June-September season and should not be directly interpreted as a precise prediction for September's rainfall.
El Niño as a Potential Factor
The conditions in the Pacific Ocean during the monsoon can also influence rainfall in India. Initial forecasts from the IMD for 2026 noted a transition from a weak La Niña to neutral conditions, with the potential development of El Niño conditions later.
This is why meteorologists do not assess the entire monsoon based solely on the winds from one region; they consider multiple oceanic and atmospheric conditions collectively.
Rainfall Not Over Yet
Despite discussions about a weakening monsoon in northwest India, the IMD has predicted rainfall in several areas over the next few days. In Delhi, thunderstorms and rain are expected between August 20 and 24.
Rainfall activities may also be observed on various days in Jammu and Kashmir, Himachal Pradesh, Uttarakhand, Punjab, Haryana, Delhi, and parts of Uttar Pradesh.
Importance of September Rain for Farmers
Rainfall in September is crucial for agriculture. The amount and distribution of rain during the final stages of Kharif crops can significantly impact crop conditions. Conversely, excessive rainfall can lead to waterlogging and crop damage.
Therefore, not only the total amount of rainfall but also the timing, location, and intensity of the rain are vital.
Will the Monsoon Depart Early?
As we are currently in the third week of August, there remains a possibility for the monsoon to stay active across large parts of the country. The timing of the monsoon's withdrawal can vary each year based on weather conditions.
Thus, it would be premature to conclude whether the monsoon will remain weak in September or depart early. The status of the monsoon trough and other weather systems in the coming days will provide clearer insights.
Conclusion
While fluctuations in rainfall activities are observed in northwest India, attributing these solely to dry winds from Pakistan is not accurate. The latest IMD forecasts suggest that rainfall is likely to continue in several parts of northwest India in the coming days. Meanwhile, the overall monsoon season for 2026 is projected to experience below-normal rainfall, with September's actual performance dependent on forthcoming weather patterns.