Moderate Thunderstorms with surface wind gusting upto 40-50 kmph is very likely to occur at many places over Bokaro, Deoghar, Dhanbad, Dumka, East Singhbum, Giridih, Godda, Jamtara, Khunti, Pakur, Ramgarh, Ranchi, Sahebganj, Saraikela Kharsawan in next 3 hours.