| Term / Device | Definition |
| Air Quality Index (AQI) | A scaled index that converts pollutant concentrations into a simple score indicating overall air quality. |
| Anemometer | Instrument used to measure wind speed. |
| Atmospheric Pressure (mb) | The force exerted by the atmosphere, measured in millibars. |
| Average Wind Speed (mph) | Wind speed averaged over a defined time period. |
| Barometric Pressure Sensor | Sensor that measures atmospheric pressure. |
| Barometric Trend | The rate and direction of atmospheric pressure change over time. |
| Beaufort Scale | A standardised scale that classifies wind speed based on observed conditions and effects on land or sea. |
| Cloud Base (ft) | The height above ground level of the lowest cloud layer. |
| Cloud Ceiling (ft) | The height of the lowest cloud layer reported as broken or overcast. |
| Cloud Thickness (ft) | The vertical depth of a cloud layer. |
| Daily Air Quality Index | AQI calculated from current particulate concentrations over a day. |
| Dew Point (°C) | The temperature at which air becomes saturated and condensation forms. |
| Humidity (%) | The amount of moisture in the air relative to the maximum possible. |
| Humidity Sensor | Instrument that measures relative humidity. |
| Industrial Anemometer | Heavy-duty anemometer built for continuous operation in industrial or high-wind conditions. |
| Intrinsically Safe Anemometer | Wind measurement instrument designed for operation in hazardous or explosive environments. |
| Lightning Detector | Sensor that detects and reports lightning strikes or electrical storm activity. |
| Lightning Strike Count | Total number of detected lightning events within a defined area and time period. |
| Marine Anemometer | Corrosion-resistant anemometer designed for maritime and offshore environments. |
| Multi-Parameter Weather Station | Integrated station measuring multiple meteorological variables from a single installation. |
| Outside Temperature (°C) | Ambient air temperature measured at the monitoring location. |
| Particulate Matter Sensor | Sensor that measures airborne particulate concentrations. |
| PM1 (µg/m³) | Concentration of particulate matter smaller than 1 micron. |
| PM10 (µg/m³) | Concentration of particulate matter smaller than 10 microns. |
| PM2.5 (µg/m³) | Concentration of particulate matter smaller than 2.5 microns. |
| Precipitation (mm) | The amount of rainfall collected over a defined period. |
| QFE | Atmospheric pressure measured at station elevation. |
| QNH | Atmospheric pressure reduced to mean sea level. |
| Rain Gauge | Instrument that measures rainfall accumulation. |
| Regional QNH | Averaged sea-level pressure across a defined region. |
| Soil Moisture Sensor | Sensor measuring water content within the soil. |
| Soil Temperature Sensor | Sensor measuring subsurface soil temperature. |
| Solar Radiation (W/m²) | The intensity of solar energy reaching the surface. |
| Solar Radiation Sensor | Instrument that measures incoming solar energy. |
| Sunrise | The time at which the sun rises above the horizon. |
| Sunset | The time at which the sun sets below the horizon. |
| Temperature Sensor | Instrument that measures ambient air temperature. |
| Ultrasonic Anemometer | An anemometer that measures wind speed and direction using ultrasonic sound waves with no moving parts. |
| UV Index | Scale indicating the intensity of ultraviolet radiation. |
| Vertical Visibility (ft) | The vertical distance visible when clouds obscure the sky. |
| Visibility (km) | The maximum distance at which objects can be clearly seen. |
| Visibility Sensor | Instrument that measures atmospheric clarity using optical or laser-based methods. |
| Weather Station Hub / Data Logger | Central unit that collects, stores, and transmits sensor data. |
| Wind Alarm | System that triggers alerts when wind speed or gust thresholds are exceeded. |
| Wind Components (mph) | Breakdown of wind speed relative to runway or reference direction. |
| Wind Direction (° / Cardinal) | The direction from which the wind is blowing. |
| Wind Display | Visual display unit showing real-time wind speed and/or direction data. |
| Wind Gust (mph) | The highest short-duration increase in wind speed over a specified time interval. |
| Wind Profiling System | Remote sensing system that measures wind speed and direction at multiple heights above ground. |
| Wind Sock | Fabric cone used to visually indicate wind direction and approximate speed. |
| Wind Speed (mph) | The rate at which air moves past a point. |
| Wind Vane | Instrument that identifies wind direction. |
