Once a center has been sited, staffed and the volunteer phone tree has been activated, it is required to connect with the populations it intends to reach and persuade them to come in. A significant population is resistant to interaction with perceived "authorities" and others may not have sufficient contact with the system of care to be adequately aware of their options. A recent trend promoted by organizations such as Common Ground is to piggyback vulnerability indexes and site data onto HUD-mandated enumeration studies. One of the benefits hoped for with regard to those projects is that there will be better opportunities to promote the warming center option to vulnerable populations.
