Since the onset of Southwest Monsoon, the city of Chennai has not seen any significant rainfall. In fact, in the absence of Monsoon showers, the city has remained highly rain deficient so far. The weak Southwest Monsoon has made the situation deadly, as the entire region has been going through an acute water shortage for months now.
In general, June is not considered as the main ‘rainy period’ for the city. The activities remain on the milder side. And the month records total rainfall to the tune of 56 mm only.
This year, the month of July started on a poor note in terms of rainfall activities. However, a significant change has been noticed in the weather scenario of Chennai in the last 24 hours. The city has observed its first good spell, wherein Nungambakkam has recorded 37 mm of rainfall, followed by Meenambakkam 24 mm of rains.
Generally, during active Monsoon conditions, parts of Tamil Nadu including Chennai observe the least amount of rainfall. On the contrary, during the break Monsoon period, weather activities pick up a little pace with light to moderate intensity rains being observed in the city.
Since the last four to five days, the country has been observing Break Monsoon conditions. This has helped in giving the first spell of good rains in Chennai in the last 24 hours.
Now, as a result of the Break Monsoon period, light to moderate rains will lash the city for the next 48 hours. However, after two days, rains will again taper. Thereafter, with a Cyclonic Circulation brewing up in the Bay of Bengal (which will later intensify in a Low-Pressure Area), rains will once again pick up pace. Due to this probable system, a Trough will extend across the Chennai region, thus bringing in more light to moderate rains.
Moreover, we expect the upcoming spell to bring some positive difference (though not a significant one) in the ongoing water crisis in Chennai.
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Any information taken from here should be credited to Skymet Weather