TY JOUR TI CURRENT TRENDS IN THE FREQUENCY OF THUNDERSTORMS OVER SIBERIA AND THE DISPLACEMENT OF THE NORTH MAGNETIC POLE KW thunderstorm recurrence KW fire hazard KW north magnetic pole KW climate warming KW siberia KW nunavut territory KW trend JO Siberian Fire and Rescue Bulletin AU KHoloptsev, A.V. AU Proskova, N.Y. AU SHubkin, R.G. PY 2024 IS 2024 PB FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia