(TLP:CLEAR) Supplemental General Security & Resilience Highlights – December 30, 2025

The following posts are useful for general awareness of current physical security threats, natural disaster resilience, preparedness resources, mitigation guidance, and other security-related news or updates. These resources have been curated by the WaterISAC analyst team as items of broad relevance and benefit that do not need supplemental analysis at this time.

Natural Hazards/Climate Change

• Bone-chilling Arctic cold to bring snow for some in central and eastern US before 2026 arrives – AccuWeather
• Rain to return to California, just in time for New Year’s celebrations – AccuWeather
• Arctic blast brings snow and wind to the Great Lakes and Northeast – AP
• How bomb cyclones form and create dangerous conditions – AP
• Heavy rainfall hits California on Christmas, flooding highways and forcing evacuations – NBC News
• US measles outbreak tops 2,000 known infections – University of Minnesota

Operational Resilience

• West Coast levee failures show growing risks from America’s aging flood defenses – Conversation
• Global Risk Forecast Warns of More Geopolitical and Technological Strife in 2026 – Security Management Magazine
• The rise of sinkholes: How to spot the risks before disaster strikes – Conversation
• Feds demand compromise on Colorado River while states flounder despite water shortage – Source NM
• Stabbing and chemical liquid attack in Japan tire factory injures 15 – CBS News

Extremism/Terrorism

• Texas Man Charged with Providing Bomb Components and Funding to Individuals He Believed Were Involved with Foreign Terrorist Organization – DOJ
• Bondi Shooting Latest in Wave of Western Islamic State Plots and Attacks in 2025 – Militant Wire
• CENTCOM Forces Remove ISIS Operatives in Syria After Large-Scale Strike – U.S. Central Command
• Extremists are using AI voice cloning to supercharge propaganda. Experts say it’s helping them grow – Guardian