Mastering Henrico Active Call Complete Guide Essentials

Alert Types and Customization in Henrico Active Call

Available Alert Types and Trigger Criteria

• Severe Weather Alerts Triggered by NOAA Weather Radio All Hazards (NWR) feeds, including:
  
• Tornado Warnings (based on Doppler radar confirmation or storm spotter reports).
• Flash Flood Warnings (when National Weather Service thresholds exceed 3 inches of rainfall in 3 hours or river gauge levels surpass flood stage).
• Winter Storm Warnings (issued when temperatures drop below 32°F with significant snow accumulation or ice accumulation exceeding 0.25 inches).
• Extreme Heat/Cold Advisories (activated when heat indices exceed 105°F or wind chills fall below -10°F for prolonged periods).

Example criteria: A Tornado Warning is automatically generated when the National Weather Service (NWS) issues a "TOR" alert for Henrico County or adjacent jurisdictions.
• Evacuation and Shelter-in-Place Orders Initiated by Henrico County Emergency Management or Virginia Department of Emergency Management (VDEM) based on:
  
• Hazardous Material Incidents (e.g., chemical spills, confirmed or suspected releases from industrial sites).
• Wildfire Threats (when evacuations are ordered for areas within 5 miles of an active wildfire, per Virginia Wildfire Management Plan).
• Flooding Events (mandatory evacuations for low-lying areas during riverine or flash flooding).
• Active Shooter or Civil Unrest (triggered by police dispatch codes such as "Code 10-33" or "Code 99" in high-risk zones).
• Boil-Water and Public Health Notices Issued by the Henrico Health Department or Virginia Department of Health (VDH) when:
  
• Contaminated Water Supplies are detected (e.g., elevated coliform bacteria levels exceeding EPA standards).
• Outbreaks of Communicable Diseases (e.g., norovirus, COVID-19 surges, or measles cases in schools).
• Pharmaceutical or Food Recalls affecting Henrico residents (linked to FDA or VDH alerts).

Example: A boil-water notice is activated when Henrico’s water treatment facility reports E. coli levels exceeding 4 CFU/100mL for 24+ hours.
• AMBER, Silver, and Blue Alerts Distributed via the Virginia AMBER Alert Program (VAAP) or local law enforcement:
  
• AMBER Alerts (for abducted children under 17, triggered by police dispatch codes "10-29" or "10-41" with verified risk).
• Silver Alerts (for missing seniors with cognitive impairments, issued when law enforcement confirms a missing person report with high-risk factors).
• Blue Alerts (for law enforcement officers in imminent danger, activated by dispatch codes "10-13" or "10-99").
• Utility and Infrastructure Alerts Generated by Henrico County Public Works or Dominion Energy based on:
  
• Power Outages (when unplanned outages affect >500 customers for >1 hour).
• Gas Leaks or Pipeline Threats (confirmed by Dominion Energy or local fire departments).
• Road Closures (due to accidents, construction, or natural disasters, verified via VDOT or Henrico Police traffic reports).
• Community and Event Notifications Non-emergency alerts managed by Henrico County Government, including:
  
• Road Construction Delays (scheduled closures affecting major arteries like I-95 or Route 5).
• School Closures/Delays (triggered by Henrico County Public Schools or emergency management coordination).
• Park or Recreation Facility Alerts (e.g., pool closures due to contamination or event cancellations).

Customizing Alert Messages with Dynamic Variables

• Template Structure

  Subject: {ALERT_TYPE} – Immediate Action Required for {ZONE_NAME}
  Message: {ALERT_DESCRIPTION}
  Issued by: {AGENCY_NAME}
  Effective Time: {ACTIVATION_TIME}
  Expiration: {EXPIRATION_TIME}
  Additional Info: {WEBSITE_LINK} | {HOTLINE_NUMBER}

• Key Placeholders and Examples