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Air-sea enthalpy and momentum exchange at major hurricane wind speeds...
Quantifying air-sea exchanges of enthalpy and momentum is important for understanding and skillfully predicting tropical cyclone intensity, but the magnitude of the...- publication PDF
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Response time characteristics of the fast-2D optical array probe detector board
Two-dimensional optical array probes are commonly used for imaging raindrops and ice particles on research aircraft. The ability of these probes to accurately measure particle...- publication PDF
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Atmospheric GNSS RO 1D-Var in use at UCAR: Description and validation
This paper describes, along with some validation results, the one-dimensional variational method (1D-Var) that is in use at the University Corporation for Atmospheric Research...- publication PDF
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Observed versus simulated OH reactivity during KORUS-AQ campaign:...
We present a holistic examination of tropospheric OH reactivity (OHR) in South Korea using comprehensive NASA DC-8 airborne measurements collected during the Korea–United States...- publication PDF
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Robustness of proxy-based climate field reconstruction methods
We present results from continued investigations into the fidelity of covariance-based climate field reconstruction (CFR) approaches used in proxy-based climate reconstruction....- publication PDF
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On the occurrence of postmidnight equatorial F region irregularities during...
Postmidnight equatorial F region irregularities (EFIs) are known to develop mainly during the solstitial months. However, it is not well understood whether they occur at all...- publication PDF
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Seasonal forecasts of major hurricanes and landfalling tropical cyclones...
Skillful seasonal forecasting of tropical cyclone (TC; wind speed >= 17.5 m s(-1)) activity is challenging, even more so when the focus is on major hurricanes (wind speed...- publication PDF
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Improving the representation of supercooled liquid water in the...
A realistic representation of mixed-phase clouds in weather and climate models is essential to accurately simulate the model's radiative balance and water cycle. In addition, it...- publication PDF
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Real-time Forecasts for WISP-91 Using the Penn State/NCAR Mesoscale Model
This technical report describes the experience gained from operational use of the model for the Winter Icing and Storms Project (WISP-91). The operational MM4 forecasts are...- publication PDF
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Eruptive event generator based on the Gibson-Low magnetic configuration
Coronal mass ejections (CMEs), a kind of energetic solar eruptions, are an integral subject of space weather research. Numerical magnetohydrodynamic (MHD) modeling, which...- publication PDF
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Development of the upgraded tangent linear and adjoint of the weather...
The authors propose a new technique for parallelizations of tangent linear and adjoint codes, which were applied in the redevelopment for the Weather Research and Forecasting...- publication PDF
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Survey of Mozambique Public on Weather, Water, and Climate Information
The 24 million people of Mozambique in southeast Africa face extreme hydro-meteorological events including floods, droughts, and tropical cyclones as well as considerable...- publication PDF
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Direct estimates of biomass burning NOx emissions and lifetimes using daily...
Biomass burning emits an estimated 25 % of global annual nitrogen oxides (NOx), an important constituent that participates in the oxidative chemistry of the atmosphere....- publication PDF
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Subseasonal Earth system prediction with CESM2
Prediction systems to enable Earth system predictability research on the subseasonal time scale have been developed with the Community Earth System Model, version 2 (CESM2)...- publication PDF
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Dependence of turbulent velocities on wind speed and stratification
We examine the dependence of several turbulence quantities on the wind speed and stability using nocturnal data from the Shallow Cold Pool Experiment. The turbulent quantities...- publication PDF
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First daytime thermospheric wind observation from a balloon-borne...
HIWIND (High altitude Interferometer WIND Observation) is the first balloon Fabry-Perot interferometer (FPI) to achieve successful thermospheric wind measurement for both day...- publication PDF
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A GPS/MET sounding through an intense upper-level front
A Global Positioning System Meteorology (GPS/MET) proof-of-concept experiment became a reality on 3 April 1995. A small satellite carrying a modified GPS receiver was launched...- publication PDF
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Evaluation of the new CNDV option of the Community Land Model: Effects of...
The Community Land Model, version 4 (CLM4) includes the option to run the prognostic carbon-nitrogen (CN) model with dynamic vegetation (CNDV). CNDV, which simulates unmanaged...- publication PDF
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Establishing Lagrangian connections between observations within air masses...
The ITCT-Lagrangian-2K4 (Intercontinental Transport and Chemical Transformation) experiment was conceived with an aim to quantify the effects of photochemistry and mixing on the...- publication PDF
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Evaluation of some distributional downscaling methods as applied to daily...
Statistical downscaling (SD) methods used to refine future climate change projections produced by physical models have been applied to a variety of variables. We evaluate four...- publication PDF