The Indian Meteorological Department (IMD) has predicted rainfall and thunderstorms in Rajasthan, Delhi, Punjab and Haryana from May 2-4.
This should serve as a much needed respite from the unrelenting 40+ temperatures prevailing in states.
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States With Temperature Decline
Senior IMD scientist RK Jenamani said that the rains can bring down the temperature range to 36 and 39 degrees Celsius.
States like Odisha, Bihar, West Bengal and Jharkhand have already witnessed a fall in temperatures.
States With Hotter Days Ahead
Meanwhile temperature in Delhi is forecasted to rise by 0.5-1 degree and could also touch 46 degrees in some areas as well as some stations in Haryana.
The maximum temperature in Mumbai is expected to rise by a degree, while the humidity would be as high as 80-90 percent, according to IMD Mumbai.
A heatwave alert has been issued for the next two-three days in parts of north Maharashtra, including Jalgaon, Nashik, and Ahmednagar.
IMD Alert System
The weather dept has issued a ‘yellow alert’ for seven states – western Rajasthan, Punjab, Haryana, Delhi, western UP, MP, and Jharkhand from April 29 to May 1.
The India Meteorological Department (IMD) uses four colour codes for weather warnings:
- Green – no action needed
- Yellow – suggesting vigilance
- Orange – public must be prepared
- Red – calling for immediate action
Heatwave Definitions
The department also issues more precise guidelines depending on the type of weather condition- rainfall, snowfall, thunderstorm, lightning, dust storm, heatwave, etc.
A heatwave in plains is declared when an area logs a maximum temperature of 45 degrees Celsius.
A heatwave is severe if the temperature crosses the 47-degree mark.
Suggestions To Cope With Heatwaves
IMD has advised people in regions affected by heatwaves to avoid heat exposure, wear lightweight and light-coloured cotton clothes and cover the head by hat, umbrella, etc
There are fears that such weather conditions could lead to “moderate” health concerns for vulnerable people — infants, the elderly, and people with chronic diseases — in affected areas.
Real-Time Weather Portal
The IMD has launched a portal through which people can report in real time localised weather phenomena that often skips the Met radar.
An attempt to crowdsource weather information, the platform will help collate weather data, especially from places that did not have observatories.
The link to the portal is https://city.imd.gov.in/citywx/crowd/enter_th_datag.php
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