When the Telegraph Gathered the Weather

Written by Studio AM.

Before rapid communication, a weather observer mainly had local conditions to work with. Reports from distant coasts arrived too late to show a storm moving across a region. The electric telegraph changed that limitation by carrying short messages faster than the weather itself traveled.

In 1860, observers around the British and Irish coasts began sending daily readings to the Meteorological Office in London. They sent readings such as pressure, temperature, wind, and cloud at an agreed time. Sea conditions were added as the network developed. Staff could place these separate observations side by side and see a broad pattern rather than isolated local events. Robert FitzRoy used the network to develop storm warnings, and the first warning was issued in February 1861. Signals displayed at ports then carried the message to ships near shore.

Early forecasts were imperfect and debated, but the method introduced a lasting idea. Weather becomes easier to understand when many places observe it in a consistent way at nearly the same time. The telegraph did not measure wind or pressure itself. Its contribution was connection: it turned scattered instruments and observers into a network, making a moving system visible.

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  1. Question 1 of 4

    What is the passage mainly about?

  2. Question 2 of 4

    Why was rapid communication essential to the new method?

  3. Question 3 of 4

    What does "contribution" mean in the final paragraph?

  4. Question 4 of 4

    What conditions did the coastal observers report?

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