Thunderstorm - Nor'wester ( Kaal - Baisakhi ) - Haiku (5-7-5) Rain ignites thunder Heaven showers angry tunes Thirsty earth rejoices © Mandar Jayant Kokatay Note : Nor’wester is subject of universal interest for a number of reasons. It not only gives relief after mid-day heat but pours well its crops. Its nature is unique and the causes are really interesting. During the hot weather period i.e from March to May the eastern and North-eastern states of the Indian subcontinent like West Bengal, Bihar, Assam, Orissa (parts) and Bangladesh experience dramatic appearance of a special type of violent thunderstorm know as Nor’wester. In Bengal it is known as ‘KalBaisakhi’ or calamity of the month of Baisakh (April,15-May,15). Apart from its destructive effects like sudden rise in wind speed, lightning, thunder and hail the rainfall associated with the storm although small in amount, is extremely helpful for the pre-Kharif crops like jute, Aus paddy, summer till and a large ...