Thundering with Thunderstorm, Gusty winds(wind speed 50-60kmph gutsing to 70 kmph) is very likely to occur at isolated places over Ballia, Balrampur, Basti, Chandauli, Deoria, Gorakhpur, Kushinagar, Maharajganj, Mau, Mirzapur, Sant Kabir Nagar, Siddharth Nagar, Sonbhadra in next 24 hours.