Forecasting Natural Disasters of Tornados Using mHGN. - Benny Benyamin Nasution; Rahmat Widia Sembiring; Bakti Viyata Sundawa; Indra Gunawan; Afritha Amelia; Ismael; Handri Sunjaya; Suhaili Alifuddin; Morlan Pardede; Junaidi; Muhammad Syahruddin; Zulkifli Lubis (ITDRR, 2016)