Complex sentence: The 1954 London tornado occurred on the 8 December 1954, during an thunderstorm an tornado touched down at Bushy Park and traveled tough the suburbs of London of Chiswick, Gunnersbury and Acton before dissipating over Golders Green and Southgate.
Split into simpler sentences: The 1954 London tornado occurred on the 8 December 1954. During a thunderstorm a tornado touched down at Bushy Park and traveled tough the London suburbs of Chiswick, Gunnersbury and Acton before dissipating over Golders Green and Southgate.