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Aerosols, clouds and climate feedbacks in the Southern Ocean Highlights from New Zealand’s Deep South National Science Challenge Catherine Hardacre Laura Revell, Olaf Morgenstern, Yusuf Bhatti, Nick Edkins, Felix Goddard, Cameron McErlich, Abhi Venugopal, and Jonny Williams Seamless Modelling

On Monday, cloud dominates the morning across northern and northeastern areas, bringing patches of drizzle. A central band of the country could see isolated showers, but as the day progresses, cloud cover breaks to reveal sunny spells. These brighter conditions are short-lived in some areas

While some areas will start off cloudy, particularly in the east, conditions are expected to improve as the days progress, offering ideal weather for outdoor events and activities. Saturday will begin with widespread cloud cover across Scotland, England, and eastern Wales, accompanied by hill fog

Kwinten is a research scientist at the Met Office working on large-scale cloud parametrizations.

Areas of expertise Cloud parametrization Cloud microphysics Radiative transfer in cloudy atmospheres Model evaluation Publications by Kwinten Current activities Kwinten is a visiting scientist within the Atmospheric Processes and Parametrizations team. Currently Kwinten investigates how to improve

temperatures are expected to reach between 27°C and 29°C quite widely, with some locations in southern England potentially peaking at 30°C or 31°C. Further north, conditions will remain largely dry and warm, although there will be more cloud, particularly along North Sea coasts. A few isolated showers

in the morning, which will be heavy at times. Turning drier through the afternoon but staying overcast with spots of drizzle on upslopes. Strong southeasterly winds. Feeling cold. Chance of cloud-free hill tops above 800m: Nil, perhaps 10% later with the odd break. Low Cloud and visibility

Weather: Early morning rain will clear around dawn, cloud will slowly lift but remaining persistent in the east. During the day there is a chance of some brighter spells towards western hill cloudier in the east, cloud may thicken enough in the east for some drizzle but otherwise mainly dry. Chance

with a planetary surface. m [YYYYMMDD]T[hhmm]Z-PT[nnnn]H[mm]M-boundary_layer_depth.nc Hourly (1-126) Instantaneous cloud amount below 1000ft ASL Fraction of horizontal grid square occupied by cloud below 1000 feet above sea level. 1 [YYYYMMDD]T[hhmm]Z-PT[nnnn]H[mm]M-cloud_ amount_below_1000ft_ASL.nc Hourly

with a planetary surface. m [YYYYMMDD]T[hhmm]Z-PT[nnnn]H[mm] M-boundary_layer_depth.nc Hourly (0-54) 3-hourly (51-120) Instantaneous cloud amount below 1000ft ASL Fraction of horizontal grid square occupied by cloud below 1000 feet above sea level. 1 [YYYYMMDD]T[hhmm]Z-PT[nnnn]H[mm] M

and characteristic • Visibility • Amount of cloud • Type of cloud identified by observer • Height of cloud base • Present and past weather • Duration of sunshine • Short wave solar radiation intensity • State of ground and of concrete slab identified by observer The measurement of almost all