2009 California Water Code - Section 400-402 :: Article 1. General Provisions

400.  This chapter shall be known and may be cited as the California
Weather Resources Management Act of 1984.

401.  It is hereby declared that atmospheric water within the state
which is caused to fall by weather resources management activities
shall, for the purpose of water rights determinations, be considered
as if it occurred as natural precipitation.

402.  As used in this chapter:
   (a) "Weather resources management" means attempting to produce by
physical means any of the following: cloud water conversion, light
adjustment, or weather hazard suppression. Weather resources
management does not include agricultural frost protection or
inadvertent weather modification.
   (b) "Weather resources management project" or "project" means the
performance of weather resources management with a specified purpose
within a specified geographical area over a specified time interval.