Smaller whirlwinds do happen quite often even in Central Europe, although usually we just have ordinary high winds. Occasionally some roofs get torn off, but rarely anything more severe than that.
Yesterday was different. A once-in-1000-years tornado ripped through the south of Czechia and flattened seven towns and villages.
If you can spare some money for disaster relief, you can donate here. This is run by a non-religious charity foundation.
There might be some glitches, their servers have difficulty coping at the moment.