Here is the government's own site reporting 9 different weather modification activites. It is specific on how to produce artificial weather changes. Send it to those who disbelieve…maybe they will believe NOAA reports.
https://library.noaa.gov/weather-climate/weather-modification-project-reports
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Activities subject to reporting.
(a)Weather modification activities are defined as “Any activity performed with the intention of producing artificial changes in the composition, behavior, or dynamics of the atmosphere” (see 15 CFR § 908.1). The following, when conducted as weather modification activities, shall be reported (see 15 CFR § 908.3):
Seeding or dispersing of any substance into clouds or fog, to alter drop size distribution, produce ice crystals or coagulation of droplets, alter the development of hail or lightning, or influence in any way the natural development cycle of clouds or their environment;
Using fires or heat sources to influence convective circulation or to evaporate fog;
Modifying the solar radiation exchange of the earth or clouds, through the release of gases, dusts, liquids, or aerosols into the atmosphere;
Modifying the characteristics of land or water surfaces by dusting or treating with powders, liquid sprays, dyes, or other materials;
Releasing electrically charged or radioactive particles, or ions, into the atmosphere;
Applying shock waves, sonic energy sources, or other explosive or acoustic sources to the atmosphere;
Using aircraft propeller downwash, jet wash, or other sources of artificial wind generation;
Using lasers or other sources of electromagnetic radiation; or
Other activities undertaken with the intent to modify the weather or climate, including solar radiation management activities and experiments
(b) The requirement to report does not apply to activities of a purely local nature that can reasonably be expected not to modify the weather outside of the area of operation. This exception is presently limited to the use of lightning deflection or static discharge devices in aircraft, boats, or buildings, and to the use of small heat sources, fans, fogging devices, aircraft downwash, or sprays to prevent the occurrence of frost in tracts or fields planted with crops susceptible to frost or freeze damage. Also, the requirement to report does not apply to religious activities or other ceremonies, rites and rituals intended to modify the weather.
(c) All activities noted in paragraph (a) must be reported at least 10 days before the commencement of such project or activity. However, after the Administrator has received initial notification of a planned activity, he may waive some of the subsequent reporting requirements. This decision to waive certain reporting requirements will be based on the general acceptability, from a technical or scientific viewpoint, of the apparatus and techniques to be used.
(d) Other reporting exceptions may be made in the future by rule of the Administrator.