2022
Both images are clicked from the same point of our terrace on the same day, there is approx 1 hour of time gap between them.
The below one is clicked prior to the above one, and this sudden massive change is called the Kalbaishakhi.
Nor'westers or the Kalbaishakhi is a local rain fall and thunder storm which occurs in India and Bangladesh. Kalbaishakhi occurs, with increasing frequency, from March till monsoon establishes over North-East India. Sometimes it might be progressive derechos. During this time Odisha, West Bengal, Assam, Bihar, Chhattisgarh, Jharkhand, Bangladesh and North-Eastern states of India are affected by violent thunderstorms. They cause considerable damage to life and property and are known as Kalbaisakhi or the calamity of Baishakhi, the month of April–May in India. Kalbaishakhi is accompanied by strong squalls and sometimes by hail. On extremely rare occasions, tornados may also accompany them too. Flying through these winds can be extremely dangerous. Circumnavigating or penetrating them may be disastrous and pilots avoid them. However, the rainfall in these storms is beneficial for the tea cultivated in Assam and for the jute and rice and tea cultivated in West Bengal and Bangladesh.
Text source - wikipedia
