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Investigating biases in the representation of the Pacific sub-tropical jet stream and associated teleconnections (a UGROW sub-project)

Frédéric Vitart, Rebecca Emerton, Mark Rodwell, Magdalena Alonso-Balmaseda, Thomas Haiden, Stephanie Johnson, L. Magnusson, Christopher D. Roberts, Irina Sandu
2022, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

20281-investigating-biases-representation-pacific-sub-tropical-jet-stream-and-associated.pdf
Notes on shallow water extension of Miles Theory

Peter A. E. M. Janssen
2022, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

20286-notes-shallow-water-extension-miles-theory.pdf
Validation of IFS+RTTOV/MFASIS solar reflectances against GOES-16 ABI obs

Philippe Lopez, Marco Matricardi, Mark Fielding
2022, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

20332-validation-ifsrttovmfasis-solar-reflectances-against-goes-16-abi-obs.pdf
Improved surface treatment for all-sky microwave observations

Alan J. Geer, Katrin Lonitz, David Duncan, Niels Bormann
2022, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

20337-improved-surface-treatment-all-sky-microwave-observations.pdf
Calculating the Cosine of the Solar Zenith Angle for Thermal Comfort Indices

Chloe Brimicombe, Tiago Quintino, Simon Smart, Claudia Di Napoli, Robin Hogan, Hannah L. Cloke [ORCID iD: 0000-0002-1472-868X], Florian Pappenberger
2022, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

20336-calculating-cosine-solar-zenith-angle-thermal-comfort-indices.pdf
Evaluation and optimizaton of orographic drag in the IFS

Takafumi Kanehama, Irina Sandu, Anton Beljaars, Annelize van Niekerk, Nils Wedi, Souhail Boussetta, Simon Lang, Stephanie Johnson, Linus Magnusson
2022, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

20333-evaluation-and-optimizaton-orographic-drag-ifs.pdf
Statistical modelling of 2m temperature and 10m wind speed forecast errors

Zied Ben-Bouallegue, Fenwick Cooper, Matthew Chantry, Peter Düben, Peter Bechtold, Irina Sandu
2022, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

20342-statistical-modelling-2m-temperature-and-10m-wind-speed-forecast-errors.pdf
Summary of the UGROW subproject on tropospheric temperature bias during JJA over the Northern Hemisphere

Linus Magnusson, Magdalena Alonso-Balmaseda, Mohamed Dahoui, Richard Forbes, Thomas Haiden, David Lavers, Irina Sandu, Steffen Tietsche
2022, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

20356-summary-ugrow-subproject-tropospheric-temperature-bias-during-jja-over-northern-hemisphere.pdf
Experimenting with a Clear Air Turbulence (CAT) Index from the IFS

Peter Bechtold, M Bramberger, A. Dörnbrack, L. Isaksen, Martin Leutbecher
2021, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

19870-experimenting-clean-air-turbulence-cat-index-ifs.pdf
Stratospheric modelling and assimilation

Inna Polichtchouk, Peter Bechtold, Massimo Bonavita, Richard Forbes, Sean Healy, Robin Hogan, Patrick Laloyaux, Michael Rennie, Tim Stockdale, Nils Wedi, Michail Diamantakis, Johannes Flemming, Stephen English, Lars Isaksen, Filip Vána, Sonja Gisinger, Nicholas Byrne
2021, ECMWF Technical Memoranda, Technical memorandum, ECMWF.

19875-stratospheric-modelling-and-assimilation.pdf

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