MUMBAI: The city woke up to a sudden chill on Friday with the minimum temperature dropping to 21.6°C. Weathermen, however, said this doesnt mean that winter is here as the day temperatures continue to stay on the higher side. Experts have said only around December will the city begin to witness winter-like conditions.On Friday, the IMD Santacruz observatory recorded a minimum temperature of 21.6°C, while the Colaba observatory recorded 24°C. Sushma Nair, scientist at IMD Mumbai office, said, There was a slightly northerly component in the wind direction leading to a chill, but this phenomenon is likely to be short-lived. We are expecting temperatures to rise between November 19 and November 21. The temperatures are very likely to oscillate with the passage of the disturbance.Weather enthusiast Abhijit Modak said for Mumbai, winter can be felt once minimum temperatures drop below 20°C and day temperatures decline as well. The IMD in its forecast for Mumbai, Thane and Palghar for November 17-21 has said that dry weather conditions will prevail. We also published the following articles recentlyAhmedabads daytime temperature dipsThe city of Ahmedabad has experienced a decrease in day temperatures over the past three days. The maximum temperature on Friday was 1.2 degrees lower than normal, while the minimum temperature was 2 degrees higher. The India Meteorological Department predicts that there will be no significant temperature changes in the next seven days. The change in wind direction will bring a chill, with Naliya being the coldest place at 14 degrees Celsius.Rising temperatures, longer monsoon drive Bangladeshs worst dengue outbreakClimate change is exacerbating the dengue outbreak in Bangladesh, with rising temperatures and longer monsoons creating ideal breeding conditions for the mosquito that spreads the disease. The death toll has reached 1,476, and over 290,000 people have been infected. Experts warn that the changing weather patterns are allowing the Aedes mosquito to adapt and breed in new environments. This years outbreak is the deadliest on record, and dengue cases have been reported in all 64 districts of the country. Proper medical care and early detection can reduce deaths, but hospitals are struggling to cope with the influx of patients.Rising global temperature could awaken ancient pathogens in Russian permafrostScientists are warning that as global temperatures rise, ancient pathogens frozen in the permafrost of northern Russia could be revived, potentially leading to the emergence of new diseases. Virologist Jean-Michel Claverie warns that "zombie viruses" could be present in Russias frozen soil, including viruses related to animal and human diseases such as smallpox and African swine fever. The melting permafrost is a result of climate change, which is occurring three times faster in the Arctic than the rest of the world, posing a risk to both the environment and human health.

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