(a) Whenever a menace to the public health or safety is
created by a calamity including a flood, storm, fire, earthquake,
explosion, accident, or other disaster, officers of the Department of
the California Highway Patrol, police departments, marshal's office
or sheriff's office, any officer or employee of the Department of
Forestry and Fire Protection designated a peace officer by
subdivision (g) of Section 830.2, any officer or employee of the
Department of Parks and Recreation designated a peace officer by
subdivision (f) of Section 830.2, any officer or employee of the
Department of Fish and Game designated a peace officer under
subdivision (e) of Section 830.2, and any publicly employed full-time
lifeguard or publicly employed full-time marine safety officer while
acting in a supervisory position in the performance of his or her
official duties, may close the area where the menace exists for the
duration thereof by means of ropes, markers, or guards to any and all
persons not authorized by the lifeguard or officer to enter or
remain within the enclosed area. If the calamity creates an immediate
menace to the public health, the local health officer may close the
area where the menace exists pursuant to the conditions set forth in
this section.
(b) Officers of the Department of the California Highway Patrol,
police departments, marshal's office or sheriff's office, officers of
the Department of Fish and Game designated as peace officers by
subdivision (e) of Section 830.2, or officers of the Department of
Forestry and Fire Protection designated as peace officers by
subdivision (g) of Section 830.2 may close the immediate area
surrounding any emergency field command post or any other command
post activated for the purpose of abating any calamity enumerated in
this section or any riot or other civil disturbance to any and all
unauthorized persons pursuant to the conditions set forth in this
section whether or not the field command post or other command post
is located near to the actual calamity or riot or other civil
disturbance.
(c) Any unauthorized person who willfully and knowingly enters an
area closed pursuant to subdivision (a) or (b) and who willfully
remains within the area after receiving notice to evacuate or leave
shall be guilty of a misdemeanor.
(d) Nothing in this section shall prevent a duly authorized
representative of any news service, newspaper, or radio or television
station or network from entering the areas closed pursuant to this
section.