The meteorological department has announced a warning of the possibility of severe summer storms across the north between now and tomorrow evening. Up to 40% of the north could see some rain over the coming 24 hours, said the department, with possibility of hail. Areas which could see storms include Chiang Mai, Chiang Rai, Mae Hong Son, Lamphun, Lampang, Phrae, Nan, Uttaradit, Sukhotai,