Evergreen explainers
HazardNow Learn
Plain-language explainers for weather alerts, wildfire smoke, air quality, outages, infrastructure stress, and situational awareness.
Informational only: Learn pages explain public signals. They do not replace official alerts, warnings, evacuation orders, NWS, FEMA/IPAWS, state or local emergency agencies, or official instructions.
Topic
Weather Alerts
4 explainers
Weather alertsLearn what weather watches, warnings, advisories, and statements mean and how to scan them with broader situational awareness context.Read explainer →Severe thunderstorm warningUnderstand severe thunderstorm warnings, what signals to watch, and how HazardNow places them in broader weather and outage context.Read explainer →Tornado watch vs warningLearn the difference between a tornado watch and tornado warning and how to interpret them safely with official sources.Read explainer →Red flag warningLearn what a red flag warning means for fire weather, wildfire risk, wind, humidity, and situational awareness.Read explainer →
Topic
Wildfire, Smoke & Air Quality
4 explainers
Wildfire smokePlain-language guide to wildfire smoke, why it can travel far from fires, and what public signals to watch.Read explainer →Air Quality IndexLearn how AQI categories summarize air pollution and wildfire smoke conditions for public awareness.Read explainer →PM2.5Understand PM2.5, why fine particles matter during wildfire smoke and pollution events, and what to watch.Read explainer →Fire weatherLearn how wind, humidity, temperature, dry fuels, and drought combine to create fire-weather concern.Read explainer →
Topic
Power Grid & Outages
3 explainers
Grid stressLearn what power grid stress means, why it matters, what signals to watch, and how HazardNow summarizes public grid and outage context.Read explainer →Power outage mapUnderstand what outage maps can and cannot tell you about electric service disruptions and restoration context.Read explainer →Rolling blackoutLearn what rolling blackouts are, why grid operators may use them, and what public signals to monitor.Read explainer →
Topic
Emergency Alerts & Preparedness
4 explainers
IPAWS alertsLearn how FEMA IPAWS supports public emergency alerts and how HazardNow treats alerts as official-source context.Read explainer →Emergency alertsUnderstand official emergency alerts, why they matter, and how to use HazardNow without replacing official instructions.Read explainer →Situational awarenessLearn what situational awareness means in plain language and how to scan public signals calmly.Read explainer →5-minute checkA calm, practical scan routine for weather, outages, smoke, travel, fuel, communications, and official alerts.Read explainer →
Topic
Aviation & Transportation
3 explainers
Ground stopLearn what ground stop means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →Airport delay programLearn what airport delay program means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →Travel disruption monitoringLearn what travel disruption monitoring means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →
Topic
Fuel, Energy & Supply Chain
3 explainers
Fuel supplyLearn what fuel supply means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →Refinery utilizationLearn what refinery utilization means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →Supply chain congestionLearn what supply chain congestion means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →
Topic
Water Stress & Drought
3 explainers
U.S. Drought MonitorLearn what u.s. drought monitor means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →Drought levelsLearn what drought levels means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →StreamflowLearn what streamflow means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →
Topic
Space Weather
3 explainers
Geomagnetic stormLearn what geomagnetic storm means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →Kp indexLearn what kp index means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →Radio blackoutLearn what radio blackout means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →
Topic
Internet, Cyber & Communications
3 explainers
Internet outageLearn what internet outage means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →Cyber threat tempoLearn what cyber threat tempo means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →Telecom disruptionLearn what telecom disruption means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →
Topic
Economic & Global Stability Signals
2 explainers
Economic stressLearn what economic stress means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →Global stability signalsLearn what global stability signals means, why it matters, what public signals to watch, and how HazardNow uses it for situational awareness.Read explainer →