(A) No person shall loiter on a public street, sidewalk or the premises of a public building under circumstances that warrant alarm for the safety or health of any person or property in the vicinity.
(B) The following are circumstances which may be considered in determining whether alarm is warranted:
(1) The person is one of a group of people threatening, making threatening gestures at or otherwise menacing persons in the area.
(2) The person appears to be illegally consuming or using or concealing illegal consumption or use of alcoholic beverages or controlled substances.
(3) The person is one of a group which is blocking the free passage of pedestrian or vehicle traffic on a street or sidewalk.
(C) Prior to arrest for an offense under this section, a police officer shall afford the person an opportunity to dispel any alarm which would otherwise be warranted by requesting such person to identify himself or herself and explaining his or her presence and conduct or by requesting him or her to leave the area.
Penalty, see § 130.999