Pre-monsoon showers can bring down the heat of Bengaluru in March

Pre-monsoon showers can bring down the heat of Bengaluru in March

Bengaluru workers are seen using an umbrella to cover themselves from the high temperatures and heat (Syed Asif/BCCL - BANGALORE/BCCL - TOI DIGITAL EDITORIAL DEPARTMENT)

Bengaluru workers were seen using umbrella to cover themselves from rising temperatures and heat

(Syed Asif / BCCL – Bangalore / BCCL – TOI Digital Editorial Department)

Tuesday 13 February: February is the time of changing seasons, marking India's gradual transition to summer. However, talk to a Bengaluru resident now, and there's a good chance you'll find them complaining about the scorching summer conditions in the city already.

With daytime temperatures last week soaring to an uncharacteristically 33-34 degrees Celsius – 3-4 degrees above normal for this time of the year – fears of an early and glorious summer have left many Bengaluru residents anxious about the road ahead.

There is, of course, a reason for this extreme madness. IMD scientists partly attribute the recent temperature rise to the apparent lack of rainfall and cloud cover over Bengaluru.

Between January 1 and February 12, the average rainfall in urban and rural areas of Bengaluru is about 2.2 mm. However, IMD data for 2024 shows that the city has seen only about 0.8 mm of rain so far this year, with this precipitation mainly concentrated in the second week of January.

Another obvious cause is the prevailing El Niño – a phenomenon in the Pacific Ocean that affects global temperatures and precipitation patterns – which drives overall temperatures to extremes.

Weakening of the El Niño phenomenon to achieve relief

Echoing the concerns of heat-hit residents, scientists from the India Meteorological Department (IMD) recently announced that the weather in Karnataka could be more extreme this summer, with an early heatwave season likely over the state's coastal areas.

Fortunately for Bengaluru, a weak El Niño is likely to herald early summer rains, helping to cool the city to tolerable levels again.

In fact, we can expect exceptional pre-monsoon rains this time. If the pre-monsoon cycle goes right, meteorological agencies like the European Center for Medium-Range Weather Forecasts have indicated that abundant rainfall could be on the cards for Bengaluru throughout the summer, with 50-60% heavy rainfall expected over many parts. Karnataka State.

IMD scientists explained that these could help in reducing daytime temperatures in Bengaluru to 33-34 degrees Celsius in the months of March and April, as is usually expected during one's time in the city.

Forecast for this week

The city's tides appear to be turning, with temperatures actually dropping by a degree towards the end of last week. In a recent interaction with The Times of India, IMD scientists explained that an anti-cyclonic system has inundated the region with cold air. Its presence has resulted in high clouds currently poised to block direct radiation over Bengaluru, creating a cooling effect across the city.

The impact of these systems will continue for a few more days, giving Bengaluru a moment of respite before temperatures rise again at the end of February.

Most parts of urban and rural areas of Bengaluru are set to witness a mainly dry week, barring some shallow fog in the morning hours. Maximum temperatures are expected to remain around 32-33°C until Saturday (February 16), while minimum temperatures will rise to 17-18°C by the end of the week.


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