visibility range


Also found in: Dictionary.

visibility range

The horizontal distance (in miles or kilometers) at which a large dark object can just be seen against the horizon in daylight.
References in periodicals archive ?
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.
Mode Visibility Visibility range grade (m) Mode 1 0 500 < V Mode 2 1 200 < V [less than or equal to] 500 Mode 3 2 100 < V [less than or equal to] 200 Mode 4 3 50 < V [less than or equal to] 100 Mode 5 4 V [less than or equal to] 50
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.
The distance [S.sub.p], travelled by the pedestrian, when he was in the way of the motor vehicle or posed a threat to traffic safety, while being in the driver's visibility range before reaching the hitting location, is usually determined as the distance covered by the pedestrian from the moment of entering the roadway to the moment of reaching the hitting location, identified based on the findings of the investigation.
In Ghana, not including KIA, at a certain visibility range only Air Force flights can manage to land at Takoradi, Kumasi, Sunyani, or Tamale airports.
In a statement it issued today, the National Metrological and Seismic Centre (NMSC) said visibility range is 100 metres in Al Ain and 200 metres in Jebel Ali.
Some areas such as Al Ain are expected to experience low visibility range of 2,000 to 3,000 metres.