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  3. South African Weather Service - Wikipedia

    en.wikipedia.org/wiki/South_African_Weather_Service

    The South African Weather Service (SAWS) is the meteorological service under the South African government's Department of Environmental Affairs and Tourism. SAWS is a member of the World Meteorological Organization. The SAWS traces its lineage to the Cape of Good Hope Meteorological Commission, established in October 1860.

  4. Climate of South Africa - Wikipedia

    en.wikipedia.org/wiki/Climate_of_South_Africa

    South Africa is a sunny country, averaging 8–10 daily sunshine hours in most regions. [2] The average annual rainfall for South Africa is about 464 mm (compared to a global average of 786 mm [3]) but large and unpredictable variations are common. Overall, rainfall is greatest in the east and gradually decreases westward, with some semi-desert ...

  5. Nowcasting (meteorology) - Wikipedia

    en.wikipedia.org/wiki/Nowcasting_(meteorology)

    Data extrapolation, including development or dissipation, can be used to find the likely location of a moving weather system. The intensity of rainfall from a particular cloud or group of clouds can be estimated, giving a very good indication as to whether to expect flooding, the swelling of a river etc. Depending on the area of built-up space, drainage and land-use in general, a forecast ...

  6. Prognostic chart - Wikipedia

    en.wikipedia.org/wiki/Prognostic_chart

    Surface weather prognostic charts for mariners indicate the positions of high and low pressure areas, as well as frontal zones, up to five days into the future. Surface wind direction and speed is also forecast on this type of chart. Wave prognostic charts show the expected sea state at some future time. [2]

  7. Tropical storm forecast to bring strong winds and heavy rain ...

    www.aol.com/news/tropical-storm-forecast-bring...

    A tropical storm is expected to deliver strong winds and heavy rain to Hawaii this weekend, particularly to the Big Island and Maui, as it passes south of the island chain. The National Weather ...

  8. Surface weather observation - Wikipedia

    en.wikipedia.org/wiki/Surface_weather_observation

    Surface weather observations are the fundamental data used for safety as well as climatological reasons to forecast weather and issue warnings worldwide. [1] They can be taken manually, by a weather observer, by computer through the use of automated weather stations , or in a hybrid scheme using weather observers to augment the otherwise ...

  9. SIGWX - Wikipedia

    en.wikipedia.org/wiki/SIGWX

    SIGWX is a Significant Weather Chart defined by ICAO. Weather charts [1] being issued by World Area Forecast Centres [2] (from meteorological offices in London and Washington), presenting the most important meteorological phenomena relevant especially for air traffic transport. WAFC publishes them in two formats BUFR code; PNG images; Charts ...

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