Srinagar, Jan. 14 -- After a slight relief , the cold wave tightened its grip again over Kashmir as mercury plummeted sharply across the Valley last night while a Western disturbance is expected to hit Kashmir from January 16, raising hopes for a fresh spell of light to moderate snowfall in the valley.According to the Meteorological Department officials, a weak Western Disturbance is likely to affect the weather system in the region on Friday, followed by a stronger system three days later.While the higher reaches have received snow this winter, the plains continue to face a prolonged dry spell.The cold wave conditions intensified across the valley as minimum temperatures dropped on Monday night.Srinagar recorded a low of minus 4.9 degree...