10 Articles found

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  • White Paper - Introduction to atmospheric visibility estimation

    White Paper - Introduction to atmospheric visibility estimation

    Visibiity is usually referred to as the maximum horizontal distance through the atmosphere that objects can be seen by the unaided eye. Visibility will depend upon several factors, for example: The size and colour of the object to be observed ...

    Alec Bennett

  • White Paper - Differences between the BTD-300 and an electric field mill

    White Paper - Differences between the BTD-300 and an electric field mill

    The Biral Thunderstorm Detector BTD-300 provides real-time detection and ranging of thunderstorm activity within 83 km (51 miles). The sensor bases thunderstorm warnings on the detection and range of lightning flashes, as well as the presence of ...

    Alec Bennett

  • The importance of including the natural variability of lightning strength in assessment of thunderstorm range uncertainty

    The importance of including the natural variability of lightning strength in assessment of thunderstorm range uncertainty

    A method of estimating lightning distance from a single-site lightning detector is to measure the change in electrostatic field produced by the lightning strike. This can be measured directly using slow-response antennas or indirectly by identifying ...

    Alec Bennett

  • The B O B E R (Better Observation for Better Environmental Response) Project - Slovenia

    The B O B E R (Better Observation for Better Environmental Response) Project - Slovenia

    The B O B E R (Better Observation for Better Environmental Response - Boljše Opazovanje za Boljše Ekološke Rešitve) Project, Slovenia  The BOBER project was completed in 2015 and it is the largest project for ...

    Nathan Neal B.Sc (Hons);Nathan Neal

  • White Paper - Forward Scatter Visibility Meters (FSM)

    White Paper - Forward Scatter Visibility Meters (FSM)

    The use of Biral Forward Scatter Visibility Meters in the presence of haze, smoke and sandstorms The performance of forward scatter meters (FSM) in the presence of haze, smoke and dust is sometimes questioned as the fundamental operation of such ...

    Alec Bennett

  • CAT III Runway Visual Range System at Newcastle Airport

    CAT III Runway Visual Range System at Newcastle Airport

    Newcastle International Airport recently became the first airport in the UK to achieve Category III status for the use of forward scatter meter runway visual range equipment.  This significant achievement was made by NATS and AGI Ltd using ...

    Paul Smith CEng MIET

  • Updates to CAP 437 Standards for Offshore Helicopter Landing Areas - New Requirements to Monitor Lightning

    Updates to CAP 437 Standards for Offshore Helicopter Landing Areas - New Requirements to Monitor Lightning

    We have conducted a technical review of the latest CAP 437 guidance for helipads. The following sections have recently been updated and now include the need for the monitoring and reporting of the threat (or presence) of thunderstorms and lightning. ...

    Dr Alec Bennett PhD MinstP FRMetS CMet

  • Application Note - BTD-300 for Aviation

    Application Note - BTD-300 for Aviation

    Thunderstorms are reported in US Federal Aviation standard according to the location of lightning. For automatic reports, the distances are in nautical miles. Thunderstorms producing lightning within 5 nautical miles (9 km) of the site are ...

    Dr Alec Bennett PhD MInstP FRMetS CMet

  • White Paper - BTD-300: Principle of Operation

    White Paper - BTD-300: Principle of Operation

    The Biral Thunderstorm Detector BTD-300 provides real-time detection and ranging of thunderstorm activity within 83 km (51 miles). The sensor bases thunderstorm warnings on the detection and range of lightning flashes, as well as the presence of ...

    Alec Bennett

  • Hazards from the Sky - The Thunderstorm

    Hazards from the Sky - The Thunderstorm

    ALL YOU NEED TO KNOW ABOUT THUNDERSTORM  What`s thunderstorm? "A thunderstorm is a storm with lightning and thunder. It is produced when warm, moist air is rapidly lifted to form towering clouds extending several kilometres high. These ...