Overview: quasi-Lagrangian observations of Arctic air mass transformations – introduction and initial results of the HALO–() aircraft campaign

M Wendisch, S Crewell, A Ehrlich… - Atmospheric …, 2024 - acp.copernicus.org
Global warming is amplified in the Arctic. However, numerical models struggle to represent
key processes that determine Arctic weather and climate. To collect data that help to …

Characterisation of low-base and mid-base clouds and their thermodynamic phase over the Southern Ocean and Arctic marine regions

B Dietel, O Sourdeval, C Hoose - Atmospheric Chemistry and …, 2024 - acp.copernicus.org
The thermodynamic phase of clouds in low and middle levels over the Southern Ocean and
the Arctic marine regions is poorly known, leading to uncertainties in the radiation budget in …

The Year of Polar Prediction site Model Intercomparison Project (YOPPsiteMIP) phase 1: project overview and Arctic winter forecast evaluation

JJ Day, G Svensson, B Casati, T Uttal… - Geoscientific Model …, 2024 - gmd.copernicus.org
Although the quality of weather forecasts in the polar regions is improving, forecast skill
there still lags behind lower latitudes. So far there have been relatively few efforts to …

Variations in boundary layer stability across Antarctica: a comparison between coastal and interior sites

MJ Dice, JJ Cassano, GC Jozef… - Weather and Climate …, 2023 - wcd.copernicus.org
The range of boundary layer stability profiles, from the surface to 500 m agl (above ground
level), present in radiosonde observations from two continental-interior (South Pole Station …

[HTML][HTML] Shortwave and longwave components of the surface radiation budget measured at the Thule High Arctic Atmospheric Observatory, Northern Greenland

D Meloni, F Calì Quaglia, V Ciardini… - Earth System …, 2024 - essd.copernicus.org
The Arctic climate is influenced by the interaction of shortwave (SW) and longwave (LW)
radiation with the atmosphere and the surface. The comprehensive evolution of the Surface …

Evaluation of methods to determine the surface mixing layer height of the atmospheric boundary layer in the central Arctic during polar night and transition to polar day …

EF Akansu, S Dahlke, H Siebert… - … Chemistry and Physics, 2023 - acp.copernicus.org
This study evaluates methods to derive the surface mixing layer (SML) height of the Arctic
atmospheric boundary layer (ABL) using in situ measurements inside the Arctic ABL during …

Comparison of selected surface level ERA5 variables against in‐situ observations in the continental Arctic

JB Pernov, J Gros‐Daillon… - Quarterly Journal of the …, 2024 - Wiley Online Library
In this study, data from 17 ground‐based, continental Arctic observatories are used to
evaluate the performance of the European Centre for Medium‐Range Weather Forecasts …

[HTML][HTML] Tethered balloon-borne observations of thermal-infrared irradiance and cooling rate profiles in the Arctic atmospheric boundary layer

M Lonardi, EF Akansu, A Ehrlich… - Atmospheric …, 2024 - acp.copernicus.org
Clouds play an important role in controlling the radiative energy budget of the Arctic
atmospheric boundary layer. To quantify the impact of clouds on the radiative heating or …

Warm air intrusions reaching the MOSAiC expedition in April 2020—The YOPP targeted observing period (TOP)

G Svensson, S Murto, MD Shupe… - Elementa: Science of …, 2023 - online.ucpress.edu
In the spring period of the Multidisciplinary drifting Observatory for the Study of Arctic Climate
(MOSAiC) expedition, an initiative was in place to increase the radiosounding frequency …

[HTML][HTML] Sea ice cover in the Copernicus Arctic Regional Reanalysis

Y Batrak, B Cheng, V Kallio-Myers - The Cryosphere, 2024 - tc.copernicus.org
Abstract The Copernicus Arctic Regional Reanalysis (CARRA) is a novel regional high-
resolution atmospheric reanalysis product that covers a considerable part of the European …