Monsoon Unease: Squalls and Scattered Showers Set to Sweep Across Bengal

As the monsoon struggles to find its footing in the south, the Alipore Meteorological Department warns of a week-long spell of gusty winds and thunderstorms across the state.

The humid lull that has gripped Kolkata and its surrounding districts is about to break, but perhaps not with the steady downpour many had hoped for. While the northern districts are already experiencing the full force of a robust monsoon, Southern Bengal remains in a state of atmospheric limbo. According to the latest weather update, the monsoon current has entered the southern region, but it is currently weak, leading to a volatile pattern of sporadic, high-intensity weather events rather than a uniform seasonal onset.

The Forecast: What to Expect

For the next seven days, residents across South Bengal should prepare for intermittent ঝড় (storms) accompanied by lightning and gusty winds reaching speeds of 40-50 kmph. Districts including Howrah, Hooghly, North and South 24 Parganas, East and West Midnapore, Jhargram, Purulia, and Bankura are under a watch for these sudden squalls, which are expected to persist through Monday.

While the sky may offer glimpses of sunlight between these bursts, the underlying pattern remains unsettled. The Alipore office notes that the western districts and the Gangetic belt are likely to bear the brunt of this active phase. Meanwhile, in North Bengal, the situation is more severe. The five northernmost districts—Darjeeling, Kalimpong, Aliporeduar, Cooch Behar, and Jalpaiguri—are bracing for heavy to very heavy rainfall, a stark contrast to the scattered nature of the precipitation in the south.

Safety and Precautions

The intensity of these primary weather systems necessitates caution, particularly for those in the hills and near the coastline. The meteorological department has issued a stern advisory for the fishing community to avoid venturing into the sea for the next week due to the unstable maritime conditions. In the hilly tracts of the north, the risk of landslides remains a primary concern as continuous rain reduces visibility and compromises the stability of already saturated slopes.

Why it Matters: The Monsoon’s Stutter

This erratic start to the monsoon, characterized by a strong northern presence and a hesitant southern arrival, highlights a growing trend of atmospheric instability in the region. When the monsoon "enters" but remains weak, it often results in pockets of high humidity followed by sudden, violent convective storms—the classic Kalbaishakhi phenomenon. For urban centers like Kolkata, this means a cycle of stifling heat followed by sharp, localized cloudbursts that can overwhelm drainage systems without providing the consistent agricultural relief a stable monsoon typically offers. Understanding this original pattern is critical for disaster preparedness, as the state moves into a phase where the frequency of these sudden before-the-storm squalls appears to be increasing.