In the late 1940's and 1950's many deemed "the deliberate or the inadvertent alteration of atmospheric conditions by human activity", also known as weather modification, as a promising science of the future. Currently, the most common form of weather modification is cloud seeding, which increases rain or snow, usually for the purpose of increasing the local water supply.
As required by that law, NOAA submitted a Report to Congress in 1979, available via the NOAA Library.
Below is a list of these reports and is updated on a quarterly basis.
Project Designation | Project Number | Project Date Range | Activity |
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Submission Information
Persons subject to reporting.
The Weather Modification Reporting Act of 1972, 15 U.S.C. 330 et seq. requires that all non-Federal weather modification activities within the United States or its territories be reported to the U.S. Secretary of Commerce prior to and after undertaking the activities.
All reports submitted to NOAA are compiled and then posted on the NOAA Weather Modification Website.
Activities subject to reporting.
(a)The following, when conducted as weather modification activities, shall be subject to reporting:
(b) The requirement for reporting shall 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 restricted 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 excepted from the requirement for reporting are religious activities or other ceremonies, rites and rituals intended to modify the weather.
(c) All activities noted in paragraphs (a) of this section are subject to initial reporting. 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.
Is there a specific form to submit?
The following forms should be used:
When creating your reports, please use the following coding system as your NOAA file name: year, state, first four digits of the project name, and the respective report number. For instance, for a project that takes place in 2021 in Maryland and is titled Rock Canyon, the code would be 2021MDROCK-1 (initial report) and 2021MDROCK-2 (final report). You may also use this naming convention to save your files prior to submitting.
How do I submit the form(s)?
Please submit reports via email to weather.modification@noaa.gov.
General Information
How long before my submission will be published?
Submissions will usually be available in the repository within two (2) months after the end of the fiscal quarter.
Contact Information
Please see our full MAINTAINING RECORDS AND SUBMITTING REPORTS ON WEATHER MODIFICATION ACTIVITIES for more information or you can contact the NOAA Weather Modification Team via weather.modification@noaa.gov.Publication History & Scope
The NOAA Central Library is to support and further NOAA’s mission of promoting global environmental stewardship in order to conserve and wisely manage the Nation's marine and coastal resources; and describing, monitoring, and predicting changes in the Earth's environment in order to ensure and enhance sustainable economic opportunities.