Another spell of heavy rain seems to be approaching Chennai, coastal parts of Tamil Nadu and South Coastal Andhra Pradesh. Pondicherry, Nellore, Ongole and adjoining areas could receive heavy showers. Cities like Karaikal and Pamban will receive good rainfall.
All thanks to the cyclonic circulation over southwest Bay of Bengal off Tamil Nadu and Sri Lanka. There is a trough extending northwards, along the East Coast.
There is another cyclonic circulation closely following, which is likely to merge with this one. Accordingly, a low pressure area could develop over the region after 24 to 48 hours. In fact, Northeast Monsoon will bring some rainfall in most parts of Peninsular India during next few days.
In Central India, we can see a cyclonic circulation lying over Madhya Pradesh. This system will bring the first spell of winter rainfall over Madhya Pradesh. It will gradually move eastwards, affecting Chhattisgarh and eastern parts of Uttar Pradesh. a
North India is once again experiencing drier weather conditions with northwesterly winds blowing over the region. Moist winds had reduced visibility conditions during the last few days. We can now see clear skies over Punjab, Haryana, and Delhi-NCR. Maximum temperatures will rise marginally, while the minimums will come down to normal levels.