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Chemical and dynamical discontinuity at the extratropical tropopause based...
Using isentropic trace gas gradients of O3 and CO, the discontinuity in the chemical composition of the upper troposphere (UT) and lower stratosphere (LS) is examined on middle...- publication PDF
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Airborne and ground-based observations of a weekend effect in ozone,...
Airborne and ground-based measurements during the CalNex (California Research at the Nexus of Air Quality and Climate Change) field study in May/June 2010 show a weekend effect...- publication PDF
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Spiral rainbands in a numerical simulation of Hurricane Bill (2009). Part I:...
This study examines spiral rainbands in a numerical simulation of Hurricane Bill (2009). This paper, the first part of the study, evaluates the structures of spiral rainbands...- publication PDF
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Atlantic multidecadal variability and North Atlantic jet: A multimodel view...
The influence of the Atlantic multidecadal variability (AMV) on the North Atlantic storm track and eddy-driven jet in the winter season is assessed via a coordinated analysis of...- publication PDF
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Physical processes controlling ice concentrations in synoptically forced,...
Numerical simulations and airborne measurements are used to evaluate the impact of physical processes on synoptically forced, midlatitude cirrus ice concentrations. The...- publication PDF
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Statistical study of foreshock transients in the midtail foreshock
In the dayside foreshock, many foreshock transients have been observed and simulated. Because of their strong dynamic pressure perturbations, foreshock transients can disturb...- publication PDF
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An evaluation of IASI-NH₃ with ground-based Fourier transform infrared...
Global distributions of atmospheric ammonia (NH3) measured with satellite instruments such as the Infrared Atmospheric Sounding Interferometer (IASI) contain valuable...- publication PDF
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Supergradient winds in simulated tropical cyclones
In a previous paper a formula was derived for the maximum potential intensity of the tangential wind in a tropical cyclone called PI+. The formula, PI+2 = EPI2 + alpha...- publication PDF
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Boreal forest fire emissions in fresh Canadian smoke plumes: C1-C10 volatile...
Boreal regions comprise about 17 % of the global land area, and they both affect and are influenced by climate change. To better understand boreal forest fire emissions and...- publication PDF
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Overview of the Focused Isoprene eXperiment at the California Institute of...
The Focused Isoprene eXperiment at the California Institute of Technology (FIXCIT) was a collaborative atmospheric chamber campaign that occurred during January 2014. FIXCIT is...- publication PDF
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Preindustrial to present-day changes in tropospheric hydroxyl radical and...
We have analysed time-slice simulations from 17 global models, participating in the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP), to explore changes...- publication PDF
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Effects of dust aerosols on tropospheric chemistry during a typical...
This study examines the effect of a typical pre-monsoon season dust storm on tropospheric chemistry through a case study in northern India. Dust can alter photolysis rates by...- publication PDF
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Forecasting of SYMH and ASYH indices for geomagnetic storms of solar cycle...
Artificial Neural Network (ANN) has proven to be very successful in forecasting a variety of irregular magnetospheric/ionospheric processes like geomagnetic storms and...- publication PDF
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Evaluating seasonal orographic precipitation in the interior Western United...
There are several high-resolution (1-12 km) gridded precipitation datasets covering the interior western United States. This study cross validates seasonal orographic...- publication PDF
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The microphysical structure and evolution of Hawaiian rainband clouds. Part...
Radar reflectivity factors exceeding 60 dBZ are documented within shallow (<3 km), warm (>0°C), summertime tropical rainbands offshore of the island of Hawaii. Dual-...- publication PDF
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Limitations of assuming internal mixing between different aerosol species: A...
Simulating the complex aerosol microphysical processes in a comprehensive Earth system model can be very computationally intensive; therefore many models utilize a modal...- publication PDF
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Community support and transition of research to operations for the Hurricane...
The Hurricane Weather Research and Forecasting Model (HWRF) is an operational model used to provide numerical guidance in support of tropical cyclone forecasting at the National...- publication PDF
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Examination of mixed-phase precipitation forecasts from the High-Resolution...
Accurate prediction of mixed-phase precipitation remains challenging for numerical weather prediction models even at high resolution and with a sophisticated explicit...- publication PDF
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Verifying forecasts spatially
Numerous new methods have been proposed for using spatial information to better quantify and diagnose forecast performance when forecasts and observations are both available on...- publication PDF
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Impact assessment of simulated Doppler wind lidars with a multivariate...
This paper deals with the dynamical aspect of variational data assimilation in the tropics and the role of the background-error covariances in the observing system simulation...- publication PDF
