The June Solstice

The Science Geek

The June solstice, which for most of the world will fall on June 21 this year, is the longest day in the northern hemisphere and the day when the Sun is at its highest in the midday sky (see note). The origin of the word solstice is from the Latin words sol, which means Sun, and sistere, to stand still, because around the time of the solstice the Sun stops getting higher, appears to stand still at the same height for a few days and then gets lower in the midday sky.

The graph below show the maximum height, or elevation, of the Sun, measured in degrees above the horizon, during the month of June. The graph is for a place 50 degrees in latitude North, roughly the same latitude of the southern tip of the British Isle,  It shows how slowly the elevation of the Sun changes around the solstice.

Sun height June

The fact that the Sun’s…

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My work background is in operational meteorology and in my career I have been involved in forecasting for everything from bananas to jumbo jets.I joined the Met Office 1974 as an observer at Glasgow Airport. After training as a forecaster, I worked as an Operational aviation forecaster at various defence sites and airports. In 1982, I moved to Glasgow Weather Centre as a forecaster and STV broadcaster till 1988. He then took up a post as Senior Forecaster London Weather Centre, then Senior Forecaster ITV where I qualified as a trainer in presentation techniques for the ITV Association. After being diagnosed with MS, he moved into management and became Head of London Weather Centre in 1997 followed by a period of front-line management for Southern England and Europe covering London and Cardiff Weather Centres and the Met Offices on defence stations from Akrotiri in Cyprus to St Mawgan in Cornwall. He took up the post of Met Office Chief Advisor for Scotland & Northern Ireland in March 2008 and moved to Edinburgh. I retired in September 2014. My one claim to fame is once performed a comedy sketch on TV with Manuel (Andrew Sachs) from Fawlty Towers in support of Comic Relief.

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