Synoptic analysis

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    Key signals

    Rule-based reading from one station. Air mass labels assume UK / NW Europe.

    Buys Ballot

    Met Office surface pressure chart

    Met Office surface pressure chart
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    Outlook

    What would change this

    Live signs of the next change. ✓ means it is happening now.

    How we got here

    Events

      Phases

        Night Rain falling Warm front Cold front L / H pressure turn
        Outlook checks (this browser)

        Each hour's outlook is saved in this browser and scored once the data is in: rain in the next 3 h, and the overnight minimum.

        Hourly table

        Previous version: synoptic analysis v1