The onset of monsoon over Kerala is likely to be delayed this year, said <a href="https://www.mid-day.com/search/indian-meteorological-department-articles" target="_blank" rel="none noopener">India Meteorological Department</a> (IMD) officials on Wednesday.&nbsp;
The IMD predicts the monsoon arrival on June 4, i.e. four days after the normal date predicted on June 1.
"Southwest monsoon normally sets in over Kerala on June 1 with a standard deviation of about 7 days. India Meteorological Department (IMD) has been issuing operational forecasts for the date of monsoon onset over Kerala from 2005 onwards. An indigenously developed state-of-the-art statistical model with a model error of +- 4 days is used for the purpose," IMD stated in its release.
The monsoon over <a href="https://www.mid-day.com/search/kerala-all" target="_blank" rel="none noopener">Kerala</a> occurred on May 29, in 2022, two days after the prediction on May 27, last year.
Also Read: <a href="https://www.mid-day.com/news/india-news/article/delhi-weather-national-capitals-quality-close-to-severe-minimum-temp-254-deg-c-23287071" target="_blank" rel="none noopener">Delhi weather: National capital&rsquo;s air quality close to 'severe', minimum temp 25.4 deg C</a>
"The operational forecasts of the date of monsoon onset over Kerala during the past 18 years (2005-2022) were proved to be correct except in 2015," the IMD said.
"The six predictors of monsoon onset used in the models are: i) Minimum Temperatures over Northwest India ii) Pre-monsoon rainfall peak over the south Peninsula iii) Outgoing Longwave Radiation (OLR) over the South China Sea (iv) Lower tropospheric zonal wind over Southeast Indian Ocean (v) Mean sea level pressure over Subtropical NW Pacific Ocean (vi) Upper tropospheric zonal wind over North East Indian Ocean," IMD press release stated.
The southwest monsoon over the Indian mainland is marked by monsoon onset over Kerala. It is a significant indicator which characterizes the transition from a hot and dry season to a rainy season.
On Tuesday, the IMD official said that no heatwave conditions are expected in Delhi. The temperatures will remain up to 40 degrees Celsius during the next seven days.
While talking to ANI, the Regional Head of IMD Delhi, Kuldeep Srivastava said, "Heatwave conditions in the first half of May were less severe due to Western disturbances that affected parts of northwest India. As the next western disturbance is approaching northwest India, for the next 7 days, we are not expecting heatwave conditions there. But the temperature will be higher, up to 40degC".
(with inputs from ANI)
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The onset of monsoon over Kerala is likely to be delayed this year, said India Meteorological Department (IMD) officials on Wednesday

Monsoon likely to hit Kerala four days late, says India Meteorological Department official

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Monsoon likely to hit Kerala four days late, says India Meteorological Department official

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