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Present (and Past) Weather Sensor

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There are two instruments used widely in the synoptic surface network for the measurement of present weather; one is essentially a forward scattering visibility sensor and the other a sensor for detecting the presence of recent precipitation. Output from these two instruments together with measurements of air temperature, relative humidity and rainfall rate are analysed to derive the present weather code that best fits the data.

Abbreviation: Not defined
Keywords: Not defined

instrumentType:      Met Sensor
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More Information (under review)

The Met Office Fact-sheet #17 – Weather Observations on Land describes the instrumentation further and includes diagrams of the apparatus set-up.

For more information on which instruments are used to collect measurements within specific station networks, the Met Office Surface Data Users Guide, describes the meteorological surface data and how it is obtained in the Met Office Database - MIDAS.

The World Meteorological Organisation have a list of the internationally agreed present weather codes.

Who to contact

If you have queries about these pages or about obtaining the Met Office surface stations data from the BADC then you should contact CEDA Support. Your query should be answered within one working day. When follow-up work is required, the CEDA support will carry out the work as quickly and efficiently as possible, and in any case, the user will be kept informed of progress.

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