All‐sky satellite data assimilation at operational weather forecasting centres
AJ Geer, K Lonitz, P Weston… - Quarterly Journal of …, 2018 - Wiley Online Library
This article reviews developments towards assimilating cloud‐and precipitation‐affected
satellite radiances at operational forecasting centres. Satellite data assimilation is moving …
satellite radiances at operational forecasting centres. Satellite data assimilation is moving …
The growing impact of satellite observations sensitive to humidity, cloud and precipitation
AJ Geer, F Baordo, N Bormann… - Quarterly Journal of …, 2017 - Wiley Online Library
Ten years ago, humidity observations were thought to give little benefit to global weather
forecasts. Nowadays, at the European Centre for Medium‐range Weather Forecasts …
forecasts. Nowadays, at the European Centre for Medium‐range Weather Forecasts …
Use and impact of Arctic observations in the ECMWF Numerical Weather Prediction system
This paper presents an assessment of the usage of Arctic atmospheric observations in the
Numerical Weather Prediction (NWP) system of the European Centre for Medium‐Range …
Numerical Weather Prediction (NWP) system of the European Centre for Medium‐Range …
[HTML][HTML] Future observing system simulation experiments
RN Hoffman, R Atlas - Bulletin of the American Meteorological …, 2016 - journals.ametsoc.org
As operational forecast and data assimilation (DA) systems evolve, observing system
simulation experiment (OSSE) systems must evolve in parallel. Expected development of …
simulation experiment (OSSE) systems must evolve in parallel. Expected development of …
Enhancing the impact of IASI observations through an updated observation‐error covariance matrix
N Bormann, M Bonavita, R Dragani… - Quarterly Journal of …, 2016 - Wiley Online Library
This article investigates the use of an updated observation‐error covariance matrix for the
Infrared Atmospheric Sounding Interferometer (IASI) in the European Centre for Medium …
Infrared Atmospheric Sounding Interferometer (IASI) in the European Centre for Medium …
[HTML][HTML] All-sky assimilation of infrared radiances sensitive to mid-and upper-tropospheric moisture and cloud
AJ Geer, S Migliorini, M Matricardi - Atmospheric Measurement …, 2019 - amt.copernicus.org
All-sky assimilation of infrared (IR) radiances has not yet become operational at any weather
forecasting centre, but it promises to bring new observations in sensitive areas and avoid the …
forecasting centre, but it promises to bring new observations in sensitive areas and avoid the …
Wind profile satellite observation requirements and capabilities
A Stoffelen, A Benedetti, R Borde… - Bulletin of the …, 2020 - journals.ametsoc.org
The Aeolus mission objectives are to improve numerical weather prediction (NWP) and
enhance the understanding and modeling of atmospheric dynamics on global and regional …
enhance the understanding and modeling of atmospheric dynamics on global and regional …
Assimilation of AMSU-A in all-sky conditions
Radiances from microwave temperature sounders have been assimilated operationally at
ECMWF for two decades, but observations significantly affected by clouds and precipitation …
ECMWF for two decades, but observations significantly affected by clouds and precipitation …
Calculating the millimetre‐wave scattering phase function of snowflakes using the self‐similar Rayleigh–Gans Approximation
RJ Hogan, R Honeyager, J Tyynelä… - Quarterly Journal of the …, 2017 - Wiley Online Library
Exploitation of millimetre‐wave radiometer and radar observations of ice clouds and snow
requires the ability to model the scattering properties of snowflakes. This article extends the …
requires the ability to model the scattering properties of snowflakes. This article extends the …
Significance of changes in medium-range forecast scores
AJ Geer - Tellus A: Dynamic Meteorology and Oceanography, 2016 - Taylor & Francis
The impact of developments in weather forecasting is measured using forecast verification,
but many developments, though useful, have impacts of less than 0.5% on medium-range …
but many developments, though useful, have impacts of less than 0.5% on medium-range …