(TLP:CLEAR) Supplemental General Security & Resilience Highlights – November 20, 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

• Last storm to close out California’s wet stretch with flooding rain, mountain snow – AccuWeather
• The polar vortex is about to bring a wild weather pattern change – CNN
• Below Normal Temperatures Likely for the Central and Eastern U.S. Late Nov into Early Dec – NOAA
• A drying-up Rio Grande basin threatens water security on both sides of the border – AP
• Thousands of toxic sites across US face risk of coastal flooding – Guardian
• We studied 217 tropical cyclones globally to see how people died. Our findings might surprise you – Conversation

Operational Resilience

• Rising Demand, Evolving Resources Continue to Challenge Winter Grid Reliability – NERC
• Powering Through Crisis: Microgrids and Emergency Response – Domestic Preparedness
• How Local Power Can Save the Grid – Domestic Preparedness
• 2026 Water Utility Outlook: Regulation, AI, And Resilience In The Face Of Scarcity – Water Online
• Colorado River Crisis Deepens As Basin States Miss Deadline – Water Online
• UK Government launches Water Skills Strategic Group to strengthen sector workforce – Smart Water Magazine
• Will Texas actually run out of water? Your questions about the state’s water supply answered. – Texas Tribune

Extremism/Terrorism

• Leader of White Supremacist Group Pleads Guilty to Soliciting Hate Crimes and Sending Instructions to Make Bombs and Ricin – DOJ
• Terror plot arrests reveal ‘more dangerous’ online pathway to ISIS radicalization in America – CNN
• 9 alleged “North Texas Antifa Cell” members indicted in connection to July 4 attack on Texas ICE facility – CBS News
• North Shore man pleads guilty to concealing terrorism financing for ISIS – WFXT
• ‘Modern day terrorism’: How the online extremist network 764 is threatening teen lives – ABC News