Q: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
A tornado emergency is a stronger wording of tornado warnings used by the National Weather Service in the United States .
A:
A tornado emergency is an enhanced version of a tornado warning , which is used by the National Weather Service ( NWS ) in the United States during imminent , significant tornado occurrences in highly populated areas .