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【Data Scraping Field】Lightning Count (events/time period)

Lightning Count (events/time period) refers to the total number of lightning occurrences recorded within a specified time interval, such as per minute, hour, day, or during a single weather event. This metric is used to reflect the frequency and variation of lightning activity and is widely applied in meteorological monitoring, disaster prevention, power system protection, aviation operations, and outdoor safety management.

2026-05-28 17:24:55
【Data Scraping Field】Fog Duration (minutes or hours)

2026-05-28 17:20:37
【Data Scraping Field】Thunderstorm Frequency (times/hour)

Thunderstorm Frequency (times/hour) refers to the number of thunderstorm occurrences observed in a given area within a unit of time, usually per hour. It is used to describe the activity level and temporal-spatial distribution of thunderstorms. This metric is commonly applied in meteorological monitoring, hazard warning, power system protection, and aviation safety assessment, and serves as an important reference for evaluating convective weather activity.

2026-05-27 17:04:34
【Data Scraping Field】Sky Brightness

Sky Brightness refers to the apparent brightness of the sky background as observed from the ground.

2026-05-26 16:56:43
【Data Scraping Field】Visibility

Visibility refers to the maximum horizontal distance at which an observer can discern the outline of a target object in the atmosphere.

2026-04-30 13:34:57
【Data Scraping Field】Solar Altitude Angle

Solar altitude angle refers to the angle between the sun's rays and the horizontal plane of the Earth's surface.

2026-04-29 13:28:17
【Data Scraping Field】Cloud height (radar-measured)

Cloud height (radar-measured) refers to cloud top height and cloud base height information derived from electromagnetic wave pulses emitted by meteorological radar (such as weather radar or cloud radar) by receiving backscatter signals from hydrometeors (cloud droplets, raindrops, ice crystals, etc.) inside clouds.

2026-04-29 13:17:29
【Data Scraping Field】Cloud Base Height

Cloud Base Height refers to the vertical distance from the ground to the bottom of a cloud layer.

2026-04-28 20:16:20
【Data Scraping Field】Soil Heat Flux

Soil Heat Flux refers to the amount of heat exchanged per unit time through a unit area of the soil interface, typically expressed in watts per square meter (W/m²).

2026-03-27 15:53:44
【Data Scraping Field】Albedo

Albedo is an indicator of how much incident radiation, such as sunlight, is reflected by the Earth's surface or the surface of an object. It is typically expressed as a dimensionless value between 0 and 1, or as a percentage (%), where higher values indicate higher reflectivity and lower values indicate greater absorption of energy. For example, fresh snow has a very high albedo, reflecting most sunlight. In contrast, forests, oceans, and asphalt pavements have relatively low albedo, absorbing more energy. Albedo is a key physical quantity significantly involved in Earth's energy balance and climate system, and is utilized in many fields including climate science, environmental research, remote sensing, and urban climatology.

2026-03-27 07:42:00