▁Cy cl ones ▁form ▁in ▁the ▁Arab ian ▁sea ▁often ▁results ▁in ▁strong ▁wind s ▁and ▁heavy ▁ra inf all ▁in ▁Pakistan ' s ▁coast al ▁areas . ▁However ▁torn ado es ▁mostly ▁occur ▁during ▁spring ▁season ▁that ▁is ▁March ▁and ▁April ▁usually ▁when ▁a ▁Western ▁Dist urb ance ▁starts ▁effect ing ▁the ▁northern ▁parts ▁of ▁the ▁country . ▁It ▁is ▁also ▁spec ulated ▁that ▁cycles ▁of ▁torn ado ▁years ▁may ▁be ▁correl ated ▁to ▁the ▁periods ▁of ▁reduced ▁tropical ▁cy clone ▁activity . ▁ ▁Dr ought ▁ ▁The ▁dr ought ▁has ▁become ▁a ▁frequent ▁phenomen on ▁in ▁the ▁country . ▁Al ready , ▁the ▁massive ▁dr ought s ▁of ▁ 1 9 9 8 - 2 0 0 2 ▁has ▁stretch ed ▁the ▁cop ing ▁ab ilities ▁of ▁the ▁existing ▁systems ▁to ▁the ▁limit ▁and ▁it ▁has ▁bare ly ▁been ▁able ▁to ▁check ▁the ▁situation ▁from ▁becoming ▁a ▁cat ast rop he . ▁The ▁dr ought ▁of ▁ 1 9 9 8 - 2 0 0 2 ▁is ▁considered ▁the ▁worst ▁dr ought ▁in ▁ 5 0 ▁years . ▁According ▁to ▁the ▁Econom ic ▁Survey ▁of ▁Pakistan , ▁the ▁dr ought ▁was ▁one ▁of ▁the ▁most ▁significant ▁factors ▁responsible ▁for ▁the ▁less ▁than ▁anticip ated ▁growth ▁performance . ▁The ▁survey ▁terms ▁it ▁as ▁the ▁worst ▁dr ought ▁in ▁the ▁history ▁of ▁the ▁country . ▁According ▁to ▁the ▁government , ▁ 4 0 ▁percent ▁of ▁the ▁country ' s ▁water ▁needs ▁went ▁un met . ▁ ▁Flo ods ▁ ▁Pakistan ▁has ▁seen ▁many