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Parameter estimation using data assimilation in an atmospheric general...
This study explores the viability of parameter estimation in the comprehensive general circulation model ECHAM6 using ensemble Kalman filter data assimilation techniques. Four...- publication PDF
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Predictable variations of the carbon sinks and atmospheric CO2 growth in a...
Inter-annual to decadal variability in the strength of the land and ocean carbon sinks impede accurate predictions of year-to-year atmospheric carbon dioxide (CO2) growth rate....- publication PDF
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LSTM-based data integration to improve Snow Water Equivalent prediction and...
Accurate prediction of snow water equivalent (SWE) can be valuable for water resource managers. Re-cently, deep learning methods such as long short-term memory (LSTM) have...- publication PDF
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A case study of the cutoff process and latent heating effect in an...
Using observational data and model sensitivity test, the present study diagnosed the evolution of an upper-level trough over 2-7 May 1998 during the mei-yu season in East Asia,...- publication PDF
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Climate model large ensembles as test beds for applied compound event research
Some of the most impactful climate and weather events result from compounding drivers. To robustly assess the current and future risk from such compound events, a better...- publication PDF
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Generalized additive modelling of daily precipitation extremes and their...
Detection of changes in climate responses is essential to facilitate appropriate adaptation actions to be taken by decision makers, particularly where changes in the arrival...- publication PDF
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Critical appraisal of data used to infer record UVI in the tropical Andes
When the data sets that suggested record high UVI values at Mt Licancabur, and Laguna Blanca, Bolivia are reviewed in full, we find that the reported peak values are incorrect,...- publication PDF
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The NCAR Local Network
This document is in two sections. The first is intended for the general user of the NCAR Local Network. It describes in "cookbook" fashion the operation of the Network. A...- publication PDF
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Canopy structure modulates the sensitivity of subalpine forest stands to...
A declining spring snowpack is expected to have widespread effects on montane and subalpine forests in western North America and across the globe. The way that tree water...- publication PDF
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Vertical motions in orographic cloud systems over the Payette River Basin....
This paper examines the controls on supercooled liquid water content (SLWC) and drop number concenExperiment (SNOWIE) campaign. During SNOWIE, 27.4% of 1-Hz in situ cloud...- publication PDF
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The Mean Circulation of the Tropical and Subtropical Atmosphere-July
The purpose of this atlas is to provide a long-term data set to describe the mean structure of the tropical atmosphere straddling the equator for the period of the northern...- publication PDF
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Composition changes after the "Halloween" solar proton event: The High...
We have compared composition changes of NO, NO₂, H₂O₂, O₃, N₂O, HNO₃, N₂O₅, HNO₄, ClO, HOCl, and ClONO₂ as observed by the Michelson Interferometer for Passive Atmospheric...- publication PDF
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Assessing the demographics of the 2021 and 2022 CEDAR workshop
The Coupling, Energetics and Dynamics of Atmospheric Regions (CEDAR) community is made of engineers, scientists, physicists, and students with a mission to understand the...- publication PDF
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Identification of the tropical tropopause transition layer using the...
We present a method of identifying the tropical tropopause transition layer (TTL) using chemical tracer-tracer relationships. Coincident ozone (O₃) and water vapor (H₂O)...- publication PDF
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An intercomparative study of the effects of aircraft emissions on surface air quality
This study intercompares, among five global models, the potential impacts of all commercial aircraft emissions worldwide on surface ozone and particulate matter (PM2.5). The...- publication PDF
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On the role of atmospheric simulations horizontal grid spacing for flood modeling
Our study focuses on the hydrologic implications of resolving and modeling atmospheric processes at different spatial scales. Here we use heavy precipitation events from an...- publication PDF
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A numerical investigation of boundary layer quasi-equilibrium
Despite the large energy input from surface evaporation, the moist static energy (MSE) of the tropical boundary layer remains relatively constant on large spatial and temporal...- publication PDF
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Tropical temperature variability in the UTLS: New insights from GPS radio...
Global positioning system (GPS) radio occultation (RO) observations, first made of Earth's atmosphere in 1995, have contributed in new ways to the understanding of the thermal...- publication PDF
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Absence of high frequency echoes from ionosondes during the 23–25 April 2023...
We report an unusual event on absence of high frequency (HF) echoes in ionosonde observations from the ionospheric F2 region during the geomagnetic storm of 23-25 April 2023....- publication PDF
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U.S. Weather Research Program, Hurricane Landfall Workshop Report
This report contains the results of workshop participants who prioritized research and observational opportunities to achieve pre-landfall track forecast gains of this track-...- publication PDF
