"Dr Simon Lee, an atmospheric researcher at the University of St Andrews, says Storm Amy will reduce the boiling point of our kettles. As any tea enthusiast will know, water usually boils at 100°C (212°F). But as Storm Amy hits on Friday evening and into Saturday, this threshold could fall to 'below 98°C' (208°F). Such a temperature does not extract the full flavour from tea leaves, so tea may taste a bit weak - no matter how long the teabag is left in for."
"Unfortunately for tea lovers, the lower the pressure of the surrounding air, the lower the boiling point of water. Essentially, the boiling point of a liquid is reached when the vapour pressure of the liquid matches the surrounding air pressure. So when air pressure is lower (as it is expected to be this weekend) kettles will boil faster but at a lower temperature - 98°C or perhaps even lower."
Storm Amy is a deep area of low pressure developing in the Atlantic and may undergo explosive cyclogenesis, qualifying as a weather bomb with rapid intensification. The storm will bring especially violent winds, heavy rain and flooding. Pressure around the north west of Scotland will likely reach record lows for the time of year. Lower atmospheric pressure reduces the boiling point of water because the boiling point occurs when a liquid's vapour pressure matches surrounding air pressure. Kettles will boil faster but at lower temperatures, potentially below 98°C, which may prevent full flavour extraction from black tea.
Read at Mail Online
Unable to calculate read time
Collection
[
|
...
]