SCH Number 2022040174

Project Info

Title

Santa Ana Watershed Weather Modification Project

Description

The Project is a four-year pilot project that would include the installation and operation of 15 ground-based weather modification units throughout the Santa Ana River watershed to increase precipitation in the region. The Project would be operated for four years. Two types of ground-based cloud seeding methods would be used: North American Weather Consultants (NAWC) proprietary automated high output ground seeding (AHOGS) systems and ground-based cloud nuclei generators (CNGs). AHOGS are triggered by the Project meteorologist operating remotely; once triggered the units burn flares that rapidly release a concentrated amount of silver iodide (NAWC 2020). These generators are used for seeding convective bands with high concentrations of supercooled liquid water and strong vertical updrafts. CNGs are manually-operated systems that burn a solution of silver iodide and acetone to create a constant cloud of seeding material that provides broad coverage over mountainous terrain with strong orographic effects.

2 documents in project