Data sources

Natural Hazards

• Earthquakes — Global seismic activity monitoring(USGS)
• Active Fires — Satellite-detected fire hotspots(NASA FIRMS)
• Global Disasters — Multi-hazard disaster alerts(GDACS)
• Weather Warnings — Official meteorological alerts for Portugal(IPMA)

Weather & Atmosphere

• Weather Tiles — Real-time weather radar and satellite imagery(OpenWeatherMap)
• GFS Weather Forecast — NOAA global weather predictions(NOAA GFS)
• Wind Flow Animation — Animated global wind patterns(NOAA GFS)
• Rainfall Observations — Weather station precipitation data for Portugal(IPMA)

Environment

• Air Quality — Global PM2.5 pollution monitoring(WAQI)
• UV Index — Solar ultraviolet radiation levels(TEMIS)
• Aurora Forecast — Northern and Southern Lights visibility(NOAA SWPC)

Ocean & Marine

• Ocean Waves — Significant wave height forecasts(NOAA WaveWatch III)
• Ocean Currents — Surface current flow visualization(NOAA OSCAR)
• Sea Surface Temperature — Ocean surface temperature analysis(NOAA OISST)

Radio & Tracking

• Aircraft Tracking — Real-time flight positions via ADS-B(OpenSky Network)
• Lightning Detection — Real-time lightning strike locations(Blitzortung)
• KiwiSDR Network — Web-accessible software-defined radios(KiwiSDR)
• APRS Network — Amateur radio position reporting(APRS-IS)

Space Weather

• Ionosphere & Space Weather — Solar activity and radio propagation conditions(NOAA SWPC)

Attribution & Terms

Sentinela aggregates data from multiple open sources. Each data source has its own terms of use and attribution requirements. We are grateful to all the organizations that make their data publicly available for emergency awareness and research purposes.

Data providers: USGS, NOAA, NASA, IPMA, OpenWeatherMap, OpenSky Network, Blitzortung, GDACS, WAQI, TEMIS, KiwiSDR, and APRS-IS.