visibility range


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visibility range

The horizontal distance (in kilometers or miles) at which a large dark object can just be seen against the horizon sky in daylight.
References in periodicals archive ?
The digital imaging system includes visible and IR (infra-red) visibility range along with Doppler radar to provide adequate redundancy in all weather conditions
Road accidents owing to low visibility range caused by prevailing foggy weather conditions in most parts of Punjab on Friday morning left a score of people injured, reported NNI.
Dense fog enveloped most of Punjab plains on Thursday morning, affecting the visibility range and causing problems for normal life.
The visibility range in the city and outskirts was less than 100 meters, while the power supply also suspended, police said.
Tenders are invited for Purchase meter visibility range (transmissometer monotonous) with a nephelometer type LT31, with the translation table meteorologicheyskoy optical range (MOR), measuring devices, a visual range runway (RVR) or equivalent
The most common empirical model is based on visibility range estimate.
A few metres away, even in the zero visibility range, I could see the signboard that read, Ram Babu Paranthe Wale.
Su-25 is Russia's strike fighter, designed for providing round the clock support to ground troops hitting objectives within the visibility range, as well as for attacking target-point facilities in any weather conditions.
Previously, the fleets have also conducted all-weather drills, beyond visibility range training and low-altitude, high-speed exercises to hammer their pilots into shape, the article said.
The visibility at Motorway M1 dropped to 20 meters whereas visibility range at Motorway M2 was recorded as 10 to 30 meters from Islamabad to Chakri Interchange, Radio Pakistan reported.
BMW's data on laser headlamps also produce same results, having two times the visibility range compared to LEDs.
A reduction in the visibility range due to smoke is in many cases the first risk factor for humans during a fire, even before its thermal impact commences.