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DTSTART;TZID=Europe/London:20220316T150000
DTEND;TZID=Europe/London:20220316T163000
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UID:23646-1647442800-1647448200@research.reading.ac.uk
SUMMARY:Royal Meteorological Society Masterclass: Extracting Causal Information from Climate Data
DESCRIPTION:Speaker: Dr Marlene Kretschmer\, University of Reading \nThere are large uncertainties when it comes to predicting extreme regional weather and climate events. A limited causal understanding of the physical drivers of extremes – such as connections to the North Atlantic Oscillation or Madden-Julian Oscillation – compounds the issue when interpreting climate model forecasts. Yet\, to justify taking critical actions in the light of uncertainty\, explanations are crucial because they provide decision-makers with a level of plausibility. \nTherefore\, weather and climate forecasting progress strongly depend on an improved causal understanding of the climate system by analysing the large data sets from observations and climate models. A physical knowledge of the underlying mechanisms and different statistical techniques is needed. \nIn this talk\, Dr Kretschmer will show how recent causality research advancements can help reconcile the two. A causal approach requires explicitly including expert knowledge in the statistical analysis\, allowing for quantitative conclusions. This session will illustrate some of the key concepts of this theory with concrete examples of well-known atmospheric teleconnections and will discuss the particular challenges and advantages these imply for climate science. \nAbout RMetS and University of Reading Meteorological Masterclasses \nContinuing our online Meteorological Masterclasses in partnership with the University of Reading\, we are pleased to announce a new Masterclass series in “Advances in weather and climate forecasting”. \nDuring this series\, three leading experts from the University of Reading will discuss the latest scientific advances for understanding and predicting weather\, climate and its impacts. Topics to be covered include data assimilation and machine learning; identification of causal pathways in atmospheric teleconnections; and modelling advances in resolution and parameterization for weather forecasting. \nThese masterclasses are intended to provide support for professionals working in Meteorology and Climate Science\, and its operational applications who wish to remain up to date on recent scientific developments in the field. \nMasterclasses will run weekly on Wednesday’s 16th\, 23rd and 30th March 2022 from 3 pm to 4.30 pm (UTC)\, consisting of a presentation followed by the opportunity for questions and discussion with the speaker. Whilst the webinars are part of a series\, attendance at all three events is not compulsory.
URL:https://research.reading.ac.uk/research-blog/event/royal-meteorological-society-masterclass-extracting-causal-information-from-climate-data/
LOCATION:Online event
CATEGORIES:Environment
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BEGIN:VEVENT
DTSTART;TZID=Europe/London:20220323T150000
DTEND;TZID=Europe/London:20220323T163000
DTSTAMP:20260421T070031
CREATED:20220302T153420Z
LAST-MODIFIED:20220302T153420Z
UID:23648-1648047600-1648053000@research.reading.ac.uk
SUMMARY:Royal Meteorological Society Masterclass: How do we use the "Weather" in "Numerical Weather Prediction"?
DESCRIPTION:Speaker: Professor Peter Clark\, University of Reading \nWe have been forecasting using computer models for well over 50 years. However\, while we soon became used to the idea that so-called ‘NWP’ (Numerical Weather Prediction) models predict the synoptic-scale meteorology\, such as the position and strength of low- or high-pressure regions\, they still lacked the resolution or sufficiently sophisticated representation of physical processes to forecast the ‘weather’ such as rain\, cloud\, fog without additional help from some post-processing or interpretation by meteorologists. \nVast increases in computer power have led\, in part at least\, to increases in model resolution and sophistication\, pioneered in regional models to the extent that they now represent much of the ‘weather’ directly. Model horizontal grid lengths of 1-2 km are now standard\, and some centres are investigating resolutions 10 times higher\, such that some of the motions we would label as ‘turbulence’ are explicitly simulated. This has contributed to considerable improvements in forecasting\, but\, paradoxically\, smaller scales are less predictable than larger scales\, so we are faced with a real dilemma over what we can believe in models and how we extract the best information. \nThis talk and discussion will highlight these issues and discuss some of the work that is happening to help us make the best use of these advances. \nAbout RMetS and University of Reading Meteorological Masterclasses \nContinuing our online Meteorological Masterclasses in partnership with the University of Reading\, we are pleased to announce a new Masterclass series in “Advances in weather and climate forecasting”. \nDuring this series\, three leading experts from the University of Reading will discuss the latest scientific advances for understanding and predicting weather\, climate and its impacts. Topics to be covered include data assimilation and machine learning; identification of causal pathways in atmospheric teleconnections; and modelling advances in resolution and parameterization for weather forecasting. \nThese masterclasses are intended to provide support for professionals working in Meteorology and Climate Science\, and its operational applications who wish to remain up to date on recent scientific developments in the field. \nMasterclasses will run weekly on Wednesday’s 16th\, 23rd and 30th March 2022 from 3 pm to 4.30 pm (UTC)\, consisting of a presentation followed by the opportunity for questions and discussion with the speaker. Whilst the webinars are part of a series\, attendance at all three events is not compulsory.
URL:https://research.reading.ac.uk/research-blog/event/royal-meteorological-society-masterclass-how-do-we-use-the-weather-in-numerical-weather-prediction/
LOCATION:Online event
CATEGORIES:Environment
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/London:20220330T150000
DTEND;TZID=Europe/London:20220330T163000
DTSTAMP:20260421T070031
CREATED:20220302T153721Z
LAST-MODIFIED:20220302T153721Z
UID:23650-1648652400-1648657800@research.reading.ac.uk
SUMMARY:Royal Meteorological Society Masterclass: Data Assimilation and Crowdsourced Observations in Numerical Weather
DESCRIPTION:Speaker: Professor Sarah Dance\, University of Reading \nWeather forecasts are obtained by combining weather observations with computational predictions using a data assimilation process. Forecast accuracy relies on accurate estimates of the uncertainty in these weather observations. Professor Dance will introduce data assimilation\, the observations used in numerical weather prediction and how observation uncertainty is dealt with in the data assimilation process. \nNew\, inexpensive crowdsourced observations are being investigated for numerical weather prediction to fill gaps in existing scientific observing networks. However\, the uncertainty comparisons between crowdsourced observations and numerical model predictions are not well understood. For example\, the measurements will be affected by their local environment (e.g. a temperature measurement in a sheltered street will give a different reading to one made on the top of a skyscraper). Therefore\, data assimilation algorithms must take account of the discrepancy in space and time scales represented by the model and those observed in the actual process. \nExamples will be given from recent research\, including temperature and wind observations from air traffic control reports and temperature observations from private cars. This talk will also discuss how modern deep learning techniques could be used alongside these datasets to improve numerical weather predictions in the future. \nAbout RMetS and University of Reading Meteorological Masterclasses \nContinuing our online Meteorological Masterclasses in partnership with the University of Reading\, we are pleased to announce a new Masterclass series in “Advances in weather and climate forecasting”. \nDuring this series\, three leading experts from the University of Reading will discuss the latest scientific advances for understanding and predicting weather\, climate and its impacts. Topics to be covered include data assimilation and machine learning; identification of causal pathways in atmospheric teleconnections; and modelling advances in resolution and parameterization for weather forecasting. \nThese masterclasses are intended to provide support for professionals working in Meteorology and Climate Science\, and its operational applications who wish to remain up to date on recent scientific developments in the field. \nMasterclasses will run weekly on Wednesday’s 16th\, 23rd and 30th March 2022 from 3 pm to 4.30 pm (UTC)\, consisting of a presentation followed by the opportunity for questions and discussion with the speaker. Whilst the webinars are part of a series\, attendance at all three events is not compulsory.
URL:https://research.reading.ac.uk/research-blog/event/royal-meteorological-society-masterclass-data-assimilation-and-crowdsourced-observations-in-numerical-weather/
LOCATION:Online event
CATEGORIES:Environment
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