CS/HB 477: Weather Modification Activities
GENERAL BILL by Natural Resources & Disasters Subcommittee ; Steele ; Mayfield ; (CO-INTRODUCERS) Benarroch ; Hinson
Weather Modification Activities; Increases civil penalties for violations of weather modification law.
Effective Date: 7/1/2025
Last Action: 4/3/2025 House - Now in State Affairs Committee
Bill Text: PDF
Last Action: 4/3/2025 House - Now in State Affairs Committee
Bill Text: PDF
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Bill History
Date Chamber Action 2/7/2025 House • Filed
2/19/2025 House • Referred to Natural Resources & Disasters Subcommittee
• Referred to State Affairs Committee
• Now in Natural Resources & Disasters Subcommittee
3/4/2025 House • 1st Reading (Original Filed Version)
3/28/2025 House • Added to Natural Resources & Disasters Subcommittee agenda
4/1/2025 House • Favorable with CS by Natural Resources & Disasters Subcommittee
• Reported out of Natural Resources & Disasters Subcommittee
4/2/2025 House • Laid on Table under Rule 7.18(a)
• CS Filed
• 1st Reading (Committee Substitute 1)
4/3/2025 House • Referred to State Affairs Committee
• Now in State Affairs Committee
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CS/HB 477, Committee Substitute 1 (Current Bill Version) Posted 4/2/2025 at 9:08 AM
Bill Text: PDF Analyses: None Related Bills (1)
Bill Number Subject Filed By Relationship Last Action and Location Track Bills S 56 (c2) Geoengineering and Weather Modification Activities Garcia Compare Last Action: 4/3/2025 H In Messages 
Citations - Statutes (1)
Citation Catchline Location in Bill Location In Bill Help 403.411 Penalty. Page 1 (pdf) -
HB 477, Original Filed Version Posted 2/7/2025 at 12:53 PM
Bill Text: PDF Analyses: Natural Resources & Disasters Subcommittee (Post-Meeting) 4/2/2025 (pdf)
Related Bills (1)
Bill Number Subject Filed By Relationship Last Action and Location Track Bills S 56 (c2) Geoengineering and Weather Modification Activities Garcia Compare Last Action: 4/3/2025 H In Messages
Committee Amendments (1)
Amendment Sponsor Filed Last Committee Action Format 947411 - Strike All Amendment
Remove everything after the enacting clause and insert:Steele 3/28/2025
5:40 PMAdopted without Objection
4/1/2025PDF Citations - Statutes (20)
Citation Catchline Location in Bill Location In Bill Help 252.44 Emergency mitigation. Page 3 (pdf) 253.002 Department of Environmental Protection, water management districts, Fish and Wildlife Conservation Commission, and Department of Agriculture and Consumer Services; duties with respect to state lands. Page 4 (pdf) 373.026 General powers and duties of the department. Page 6 (pdf) 373.1501 South Florida Water Management District as local sponsor. Page 7 (pdf) 373.4598 Water storage reservoirs. Page 9 (pdf) 373.470 Everglades restoration. Page 9 (pdf) 403.281 Definitions; weather modification law. Page 2 (pdf) 403.291 Purpose of weather modification law. Page 2 (pdf) 403.301 Artificial weather modification operation; license required. Page 2 (pdf) 403.311 Application for weather modification licensing; fee. Page 2 (pdf) 403.321 Proof of financial responsibility. Page 2 (pdf) 403.331 Issuance of license; suspension or revocation; renewal. Page 2 (pdf) 403.341 Filing and publication of notice of intention to operate; limitation on area and time. Page 2 (pdf) 403.351 Contents of notice of intention. Page 2 (pdf) 403.361 Publication of notice of intention. Page 2 (pdf) 403.371 Proof of publication. Page 2 (pdf) 403.381 Record and reports of operations. Page 2 (pdf) 403.391 Emergency licenses. Page 2 (pdf) 403.401 Suspension or revocation of license. Page 2 (pdf) 403.411 Penalty. Page 2 (pdf)