Ranchi Meteorological Centre has issued a high alert in view of the approaching tropical cyclone, Yaas, warning residents of extremely heavy rainfall in southern Jharkhand comprising the three Kolhan districts of East Singhbhum, West Singhbhum and Seraikela- Kharsawan on Wednesday and Thursday. The forecast for Wednesday, May 26, also suggested moderate thunderstorm, lightning and gusty winds with speeds of 40kmph to 60 kmph in the day and 110kmph-120 kmph towards the evening in southern Jharkhand. The rest of the state is expected to experience thunderstorms accompanied by gusty winds at speeds of 40kmph to 60 kmph in some places. While isolated heavy (65mm to 115mm) to very heavy (115mm to 204mm) rainfall is predicted in north and central Jharkhand, extremely heavy rainfall (over 205mm in 24 hours) is apprehnded in southern Jharkhand.