-
Mixed-phase direct numerical simulation: ice growth in cloud-top generating cells
In this study, a state-of-the-art microphysical model using a Lagrangian-particle-based direct numerical simulation framework is presented to examine the growth of ice particles...- publication PDF
-
Thermal chains and entrainment in cumulus updrafts. Part I: Theoretical description
Recent studies have shown that cumulus updrafts often consist of a succession of discrete rising thermals with spherical vortex-like circulations. In this paper, a theory is...- publication PDF
-
Comparison of cumulus parameterizations and entrainment using domain-mean...
Several different cumulus parameterizations are compared in a 10-day regional model simulation over the tropical Americas in northern summer. A simple bulk diagnostic test is...- publication PDF
-
Atmospheric oxidation in the presence of clouds during the Deep Convective...
Deep convective clouds are critically important to the distribution of atmospheric constituents throughout the troposphere but are difficult environments to study. The Deep...- publication PDF
-
A geostationary thermal infrared sensor to monitor the lowermost...
This paper describes the capabilities of a nadir thermal infrared (TIR) sensor proposed for deployment onboard a geostationary platform to monitor ozone (Oâ) and carbon...- publication PDF
-
Processes regulating short-lived species in the tropical tropopause layer
A one-dimensional model of vertical transport in the tropical tropopause layer (TTL) is developed. The model uses vertical advection, a convective source, and a chemical sink to...- publication PDF
-
The Amundsen Sea Low: Variability, change, and impact on Antarctic climate
The Amundsen Sea low (ASL) is a climatological low pressure center that exerts considerable influence on the climate of West Antarctica. Its potential to explain important...- publication PDF
-
Impacts of climate change and emissions on atmospheric oxidized nitrogen...
A multi-model ensemble of Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) simulations is used to study the atmospheric oxidized nitrogen (NOy)...- publication PDF
-
Quantifying the potential predictability of Arctic marine primary production
Phytoplankton in the Arctic Ocean and sub‐Arctic seas support a rich marine food web that sustains Indigenous communities as well as some of the world's largest fisheries....- publication PDF
-
Earth system reanalysis in support of climate model improvements
Improving Climate Models and Projections Using Observations Workshop 2023 What: : More than 70 experts from research and operational centers came together in a hybrid meeting...- publication PDF
-
Temporal and spatial structure of multi-millennial temperature changes at...
The Last Interglacial (LIG, 129-116 thousand of years BP, ka) represents a test bed for climate model feedbacks in warmer-than-present high latitude regions. However, mainly...- publication PDF
-
COSMIC GPS radio occultation temperature profiles in clouds
Thermodynamic states in clouds are closely related to physical processes such as phase changes of water and longwave and shortwave radiation. Global Positioning System (GPS)...- publication PDF
-
Ms. Hisako Koyama: From Amateur Astronomer to Long-Term Solar Observer
The path to science for a girl of any nationality born in the early twentieth century was formidable-to-nonexistent. Yet paths were forged by a few. We present the little-known...- publication PDF
-
Changes in tropospheric air quality related to the protection of...
Ultraviolet (UV) radiation drives the net production of tropospheric ozone (O-3) and a large fraction of particulate matter (PM) including sulfate, nitrate, and secondary...- publication PDF
-
MAPR wind profiler observations of tropical storms for the Clouds and...
The National Center for Atmospheric Research (NCAR) operated an Integrated Sounding System (ISS) in Miami, Florida, for the CPS (Clouds and Precipitation Study) in late summer...- publication PDF
-
Implementation of a silver iodide cloud-seeding parameterization in WRF....
A silver iodide (AgI) cloud-seeding parameterization has been implemented into the Thompson microphysics scheme of the Weather Research and Forecasting model to investigate...- publication PDF
-
1.5Â years of TROPOMI CO measurements: Comparisons to MOPITT and ATom
We have analyzed TROPOspheric Monitoring Instrument (TROPOMI) carbon monoxide (CO) data acquired between November 2017 and March 2019 with respect to other satellite (MOPITT,...- publication PDF
-
An objective analysis of the QBO in ERA-Interim and the Community Atmosphere...
The quasi-biennial oscillation (QBO) is the dominant mode of variability in the tropical stratosphere, which is in large part driven by upward propagating atmospheric waves. For...- publication PDF
-
Recent advances in seasonal and multi-annual tropical cyclone forecasting
Seasonal tropical cyclone (TC) forecasting has evolved substantially since its commencement in the early 1980s. However, present operational seasonal TC forecasting services...- publication PDF
-
The role of clouds in modulating global aerosol direct radiative effects in...
Observational benchmarks of global and regional aerosol direct radiative effects, over all surfaces and all sky conditions, are generated using CloudSat's new multisensor...- publication PDF
