Shelter-in-place is a simple and effective strategy of self-protection using the barriers and isolation provided by a building. All that is required is to:
Shelter-in-place can be effectively used during:
Tornado
Hurricane
Severe thunderstorm
Severe winter storm
Armed hostage or barricaded person
Robbery in-progress
Riot or other violent confrontation
Explosive device
Other unanticipated threat
Additional Information on shelter-in-place is available on the following website:
The American Red Cross http://www.redcross.org/