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The Hindu
a day ago
- Climate
- The Hindu
More rainfall activity to bring respite from heat across T.N. from July 16
Searing heat may let up in parts of Tamil Nadu, as more places may receive rainfall from July 16. Heavy rainfall is likely to occur over parts of the Western Ghats and northern districts this week. The Nilgiris and its neighbouring districts may receive heavy rainfall till the end of this week. From July 16 to 18, districts around Chennai, including Chengalpattu and Kancheepuram, are likely to see significant rainfall. The Regional Meteorological Centre, Chennai, has predicted a drop in the maximum temperature across the State from Wednesday. A yellow alert has been issued , for the Nilgiris from July 15, with heavy rain expected to cover parts of north Tamil Nadu by July 16. An orange alert has been issued for the Western Ghats between July 17 and 20. Tiruvallur, Kancheepuram, and Ranipet may receive heavy rainfall on July 17. On July 18, intense rain of up to 13 cm may cover six districts, including Tiruvannamalai, Cuddalore. P. Senthamarai Kannan, Director, Area Cyclone Warning Centre, said the well-marked low pressure area would influence westerly wind convergence over the State, bringing light to moderate rain in some parts this week. On Monday too, parts of the State sizzled, with Madurai Airport recording the hottest temperature for the day, at 39.4 degrees Celsius. Chennai's Nungambakkam and Meenambakkam recorded above normal temperatures of 37.7 degrees Celsius and 38.7 degrees Celsius. Evening thunderstorms provide only temporary relief, as hot westerlies trigger scorching heat the following day. The same weather trend may continue on Tuesday, with maximum temperature likely to soar by two-four degrees Celsius above average in a few pockets of the State. This week's wet spell may increase the overall southwest monsoon rainfall, which is 9% below its seasonal average as on Monday, officials said.
The Hindu
07-07-2025
- Climate
- The Hindu
Subdued rainfall, strong westerlies push Tamil Nadu into a second summer feel; Chennai records decade's 4th highest July temperature
Subdued rainfall activity and strong low-level westerlies are expected to push up daytime temperatures in most parts of Tamil Nadu this week, making it feel like a second summer. Meteorologists note such a rise in temperature has occurred in the past during July in the absence of monsoon cloud cover. Places like Chennai have experienced 40 degrees Celsius in July. The Regional Meteorological Centre, Chennai, has observed dry weather may largely prevail over the State and Puducherry this week and predicted a possibility of only isolated rainfall in the State till July 11. For the past few days, many districts like MaduraI, Thanjavur and Chennai, have been experiencing scorching heat and gradual rise in maximum temperature. On Monday, the weather station in Madurai airport sizzled at 39.4 degree Celsius, the hottest temperature recorded in the State for the day. Chennai Nungambakkam and Meenambakkam were not far behind and registered searing hot temperature of 39 degree Celsius, the highest temperature recorded so far this July. Just a few days into July and the city has already recorded its fourth highest July temperature in this decade. Officials of the RMC noted dry weather and prevailing strong westerlies/north westerlies may trigger a rise in day temperature by two- four degree Celsius above average till Wednesday. The RMC has issued a warning that such high maximum temperature coupled with high humidity particularly in coastal places may cause discomfort in isolated pockets of the State. Kannan, Director, Area Cyclone Warning Centre, Chennai, said wind flow pattern is mostly concentrated around a low pressure area over southwest Gangetic west Bengal. This would mean subdued rainfall activity over TN for the next five days. While only western ghats region have a chance of isolated rainfall, other parts of the State may have to brace for a spike in daytime temperature. Senior meteorologists noted the average maximum temperature drops from 36.3 degree Celsius from early July to 34.7 degree Celsius by the July end. Soaring day temperature is not uncommon in early July. former Deputy Director General of Meteorology, Chennai, said 'the incoming solar radiation does not undergo much change between May and July. Monsoon cloud cover, rainfall and onset of sea breeze in coastal places make all the difference.' Noting westerly winds are stronger during the first half of July, dry weather and absence of sea breeze almost 6 p.m.- 7 p.m. triggered soaring mercury level on Sunday and Monday in Chennai. The temperature level rapidly changes and cooler days are more from July end. He recalled July 2015 was one of the hottest July of the decade, with the mercury level climbing above 40 degree Celsius on eight days in Nungambakkam. A similar spike was recorded on July 5, 2019 when day temperature touched 40.4 degree Celsius.
The Hindu
26-04-2025
- Climate
- The Hindu
Most parts of north T.N. to continue witnessing searing heat; temperature may dip slightly for few days
Despite the possibility of rainfall in southern parts of the State, most of north Tamil Nadu will continue to experience searing heat. The mercury level, however, could dip slightly after Sunday. The Regional Meteorological Centre, Chennai, has said that the weather models indicated a tendency of a marginal drop in the maximum temperature over Tamil Nadu for three days from Sunday. Enhanced rainfall activity, particularly over south Tamil Nadu and districts along the Western Ghats, would help control the day temperature from peaking further. While the maximum temperature is predicted to rise 2-3 degrees Celsius above normal in few places across the State on Saturday, the number of locations that would experience above average temperature in the day [by three degrees Celsius] may reduce to one or two between April 27 and April 29. Officials of the RMC said that a change in wind pattern from southerly, westerly to easterly winds would help moderate the day temperature in parts of Tamil Nadu. P. Senthamarai Kannan, Director, Area Cyclone Warning Centre, RMC, said a weather system was likely to enhance rainfall of light to moderate intensity in south Tamil Nadu and the Western Ghats districts. This may have an effect on the daily temperature too in the northern parts. However, it would only have a marginal effect on the maximum temperature. For instance, the day temperature in Vellore is predicted to hover around 40 degrees Celsius on Saturday. It may drop to 39 degrees Celsius on Sunday. Moisture incursion, owing to the weather system, may prevent mercury level from rising further, he added. On Friday, Madurai and Karur Paramathi sizzled at 40.5 degrees Celsius. Chennai's Nungambakkam and Meenambakkam too recorded an above average temperature of 35.8 degrees Celsius and 37.3 degrees Celsius. A few places in Coimbatore district and Thoothukudi received mild rainfall till Friday evening. The RMC has warned that high maximum temperature, high humidity and above average night temperature may cause uncomfortable weather at a few pockets in Tamil Nadu on Saturday.
