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were the 4th highest for August in a series from 1919, with 132% of average. 1st to 4th Cloud over the Midlands and south-east cleared away to leave sunshine for all for a time on the 1st, but cloud increased with rain, occasionally heavy, spreading from the west into central and northern areas from

of the properties of convective clouds have been made by international field studies, such BOMEX, RICO, TOGA-COARE and TWP-ICE.  But it is challenging to get enough detail from these data to study the small-scale processes often responsible for initiating convection.  Further insight can be gained

Areas of expertise Clouds, water vapour and radiation. Use of satellite data for climate studies. Climate model development and evaluation. Current activities Mark manages the Climate sensitivity and feedbacks group which is part of Understanding Climate Change. The team seeks to understand

to be a cycling instructor - so I’m often out and about. Since getting more into photography, I also tend to use those activities as an opportunity to take photographs. I can spend an hour or more waiting for the sky to change to capture sunsets and sunrises, different cloud formations and for colours to emerge

those who adopt a more conservative approach. Unlike the SQI more than one category threshold is used by the GSS (see table 1). The Met Office assess all the TAF cloud base and visibility categories defined by ICAO. At the time of writing, the following categories are used for TAF assessment: Surface

those who adopt a more conservative approach. Unlike the SQI more than one category threshold is used by the GSS (see table 1). The Met Office assess all the TAF cloud base and visibility categories defined by ICAO. At the time of writing, the following categories are used for TAF assessment: Surface

who adopt a more conservative approach. Unlike the SQI more than one category threshold is used by the GSS (see table 1). The Met Office assess all the TAF cloud base and visibility categories defined by ICAO. At the time of writing, the following categories are used for TAF assessment: Surface

who adopt a more conservative approach. Unlike the SQI more than one category threshold is used by the GSS (see table 1). The Met Office assess all the TAF cloud base and visibility categories defined by ICAO. At the time of writing, the following categories are used for TAF assessment: Surface

) - - Integrated Diffuse Downward SW radiation kJ/m2 Hourly to T+360 (6) - - Instantaneous SW is the power (per unit area); integrated SW is the energy (per unit area) over the previous hour, commonly expressed as kWh (1kWh = 3600kJ) Cloud Cloud Amount < 200feet oktas Hourly to T+360 - - Low cloud amount

widely from late morning onwards. After another bright, cold start on the 2nd, with isolated showers over northern counties and locally along the south coast, cloud increased by midday with showers occurring quite widely. All areas were cloudy and windy on the 3rd, with rain already in the west