People who survive those storms are advised to seek professional advice, especially to determine if a person is suffering post-traumatic stress disorder.

[1] This phobia can even be caused by learning news about tornadoes or hurricanes using the media, like television, internet, radio, or newspaper, even though they happened far away from homes.

Greek words ending in ψ (ps) and ξ (ks) would regularly become -pos / -kos (respectively) in oblique cases, conventionally given as the genitive form.

Hypothesis: Since the Greek word lailaps would reflect American usage in pronouncing *lilaps [laílæps] – it is in the US that tornadoes are commonplace – the latter “hypercorrect” version became the written form.

[1] In the 1996 film Twister, Dr. Jo Harding (Helen Hunt), while becoming a storm chaser, suffers from lilapsophobia due to her father's death in a tornado when she was a child.