▁During ▁shooting , ▁special ▁effect ▁super visor ▁Craig ▁We iss ▁noted ▁that ▁the ▁scenes ▁with ▁R andy ▁Qu a id ▁were ▁particularly ▁difficult ▁to ▁capture ▁on ▁film ▁due ▁to ▁his ▁appearing ▁in ▁multiple ▁scenes ▁where ▁his ▁character ▁was ▁ch ased ▁by ▁tw ister s ▁and ▁surrounded ▁by ▁their ▁destruct ive ▁after math s . ▁The ▁actors ▁also ▁faced ▁new ▁challeng es , ▁as ▁the ▁film ▁often ▁replaced ▁traditional ▁green ▁screen ▁setup , ▁where ▁the ▁special ▁effects ▁were ▁added ▁during ▁editing , ▁with ▁live ▁sh ots ▁taken ▁with ▁the ▁effects ▁in ▁place ▁at ▁the ▁same ▁time . ▁Nancy ▁Mc Ke on , ▁who ▁was ▁pre gn ant ▁with ▁her ▁first ▁child ▁during ▁production , ▁fil med ▁some ▁of ▁her ▁scenes ▁using ▁a ▁green ▁screen . ▁She ▁found ▁the ▁experience ▁to ▁be ▁fun , ▁not ing ▁that ▁it ▁challeng es ▁actors ▁to ▁use ▁their ▁imag in ations ▁while ▁performing . ▁She ▁also ▁found ▁it ▁easy ▁to ▁play ▁a ▁television ▁rep orter ▁due ▁to ▁her ▁being ▁a ▁self - ad m itted ▁" news ▁j unk ie ." ▁ ▁Unable ▁to ▁find ▁wind ▁machines ▁powerful ▁enough ▁to ▁m im ic ▁h urr icane - force ▁wind s , ▁S ert ner ▁brought ▁in ▁a ▁jet ▁engine ▁to ▁aim ▁at ▁the ▁actors ▁and ▁props ▁during ▁necessary ▁scenes . ▁Three ▁dimensional ▁story boards , ▁called ▁anim at ics , ▁were ▁used ▁to ▁allow ▁the ▁film m akers ▁to ▁see ▁what ▁a ▁scene ▁would ▁look ▁like ▁before ▁shooting , ▁using ▁a ▁digital ▁version ▁of ▁the ▁actors . ▁The ▁various