RANCHI, July 15 -- The India Meteorological Department (IMD) issued a flash flood warning on Monday for 13 districts amid predictions of heavy rainfall in a few parts of Jharkhand, people aware of the development said. The weatherman issued a flash flood warning for Bokaro, East Singhbhum, Giridih, Gumla, Khunti, Latehar, Lohardaga, Palamu, Ramgarh, Ranchi, Saraikela, Simdega, and West Singhbhum districts till 5:30 pm on Tuesday. "Surface runoff and inundation may occur in some fully saturated soils and low-lying areas. An orange alert for very heavy rainfall has been issued in parts of Jharkhand till July 17," the IMD said in a bulletin issued on Monday. The alert for heavy rain has been sounded for Gumla, Simdega, Khunti, and West Singhbhum districts, which are likely to experience torrential rain between 8:30 am on Monday and 8:30 am on Tuesday, the IMD said. Palamu, Latehar, Garhwa, and Hazaribag may experience heavy to very heavy rainfall between 8:30 am on Tuesday and 8:30 am on July 16....