
A dust storm and yellow alert followed a day when Delhi's feels-like temperature reached 48.4°C. Rainfall and cooler weather expected from Monday, with monsoon after July 4.
A thick dust storm swept through Delhi on Sunday, sharply reducing visibility and prompting the India Meteorological Department to issue a yellow alert for the city. Social media filled with videos of dense dust clouds around high-rise buildings as strong winds created a roaring sound.
The yellow alert covers rain and thunderstorms. The storm arrived a day after Delhi's heat index, or feels-like temperature, hit 48.4°C, even though the actual high was 41.3°C. The Safdarjung weather station recorded a minimum of 30.8°C, which was 2.9 degrees above the seasonal average and 2.1 degrees higher than the previous day's minimum.
Forecasts show Delhi receiving rainfall from Monday through Friday, with thunderstorms and strong winds. "There is a possibility of very light to light rain in the coming days, with weather conditions intensifying on Tuesday and Wednesday, when a yellow alert has been issued," an IMD official said. The official added that Sunday would see partly cloudy skies with possible thunderstorm development toward afternoon or evening, plus strong surface winds of 20-30 kmph gusting to 40 kmph.
Maximum temperatures are expected to stay between 39°C and 41°C on Sunday before dropping to 35°C-37°C by Wednesday. Minimums should range from 28°C to 30°C.
Mahesh Palawat, vice president of Skymet Weather, explained the humidity driving the high feels-like temperature. "Currently there are southwesterly winds from the Arabian Sea, which are feeding moisture over Pakistan and northwestern India, which are increasing the humidity level," Palawat said. "The monsoon is also not close, as, if it were, winds would be approaching from the Bay of Bengal, which we are currently not seeing. So the 'feels-like' temperature is likely to remain high over the coming few days."
Palawat said the expected temperature drop would come from the forecast weather activity. Humidity should persist for several more days. Scattered rainfall around July 2 or 3 should help bring temperatures down. He expects the monsoon to arrive after July 4.
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