Whenever in the event of an attack, or upon findings that an attack may be imminent, the Governor deems the place of session then prescribed to be unsafe, he may change it to any place within or without the state which he deems safer and convenient.
W. Va. Code § 15-7-10
Place of legislative session in event of attack, etc
Known as the Emergency Interim Legislative Succession Act
The act spans §§ 15-7-1 to 15-7-9 (13 sections).
Official source: West Virginia Legislature. Reproduced from public-domain West Virginia statutes; confirm against the official source for the current text. Not legal advice.