These charts of surface pressure, from analysis (T+0) to the 84-hour forecast (T+84) are produced daily around 0730 UTC.
A weak cold front lies across Scotland and the Irish Sea,
with cooler air lying to the northwest of the front.
Broadly spaced isobars across the UK indicate generally
light to moderate northerly winds. Elsewhere low pressure
lies over Scandinavia and northern Europe, bringing heavy
and thundery showers to these areas.
Updated: 0730 UTC on Tue 21 May 2013