(TLP:CLEAR) Supplemental General Security & Resilience Highlights – October 29, 2026

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

• Pineapple Express to troll Southwest, perhaps Southern California, with heavy rain on Halloween weekend – AccuWeather
• Hawaii braces for tropical soaking as days of heavy rain threaten flooding – Fox Weather
• Flood warning lingers in Four Corners as inundated towns face sewage-tainted waters – NBC News
• The Colorado River Basin lost trillions of gallons of groundwater from severe drought – Utah Public Radio
• El Niño 2026–27: flood and drought signals by region – Smart Water Magazine

Operational Resilience

• Closing the Gap Between Recognizing Threat Warnings and Taking Action – Homeland Security Today
• How Technology Has Changed the Emergency Management Field – Domestic Preparedness
• PERSPECTIVE: Strengthening Emergency Preparedness Through Better Critical Infrastructure and Resource Visibility – Homeland Security Today
• As flood risk rises, some communities question the idea of resilience – Conversation
• Winning the Undersea Knife Fight – RAND
• Idaho researchers put electric grid’s most expensive component through an earthquake — on purpose – Idaho National Laboratory

Extremism/Terrorism

• FBI, Florida deputies arrest teen accused of seeking ISIS help to build explosives – CBS 12
• American Woman Convicted of Receiving Military Training From ISIS in Syria – DOJ
• FBI probes 16-year-old Bend shooter’s online radicalization, apparent Nazi obsession – Oregon Live
• “You Will Become a Saint If You Kill”: The Networks Recruiting School Shooters – The Red Pill Reversal
• Extremist Content Online: ISIS Supporters Celebrate October 23 Jordan Church Shooting – Counter Extremism Project