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Shelter in place. Shelter in place (also known as a Shelter In-Place Warning SAME code: SPW) is to seek safety within the building you already occupy, rather than to evacuate the area or seek a community emergency shelter.
Strategies for Effective Sheltering-in-Place. To effectively shelter-in-place, you must first consider the hazard and then choose a place to shelter in the building that is safe. For example, for a tornado, a room should be selected that is in a basement or interior of the building.