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The reanalysis for the Global Ensemble Forecast System, version 12
NOAA has created a global reanalysis dataset, intended primarily for initialization of reforecasts for its Global Ensemble Forecast System, version 12 (GEFSv12), which provides...- publication PDF
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Far-ranging impact of mountain waves excited over Greenland on stratospheric...
In situ observations of reduced stratospheric water vapor combined with those of ice particle formation are rarely conducted. On the one hand, they are essential to broaden our...- publication PDF
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A hybrid nudging-ensemble Kalman filter approach to data assimilation. Part...
A hybrid data assimilation approach combining nudging and the ensemble Kalman filter (EnKF) for dynamic analysis and numerical weather prediction is explored here using the non-...- publication PDF
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Improved hurricane track and intensity forecast using single field-of-view...
Hyperspectral infrared sounders such as the AIRS and IASI provide unprecedented global atmospheric temperature and moisture soundings with high vertical resolution and accuracy....- publication PDF
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How large are temporal representativeness errors in paleoclimatology?
Ongoing work in paleoclimate reconstruction prioritizes understanding the origins and magnitudes of errors that arise when comparing models and data. One class of such errors...- publication PDF
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Decomposing cloud radiative feedbacks by cloud-top phase
Changes in cloud scattering properties and emissivity that arise from atmospheric warming cause substantial radiative feedbacks in model projections of anthropogenic climate...- publication PDF
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Separating the influences of low-latitude warming and sea ice loss on...
Analyzing a multimodel ensemble of coupled climate model simulations forced with Arctic sea ice loss using a two-parameter pattern-scaling technique to remove the cross-coupling...- publication PDF
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Sensing climate change using the Global Positioning System
Using simulated atmospheric data from the National Center for Atmospheric Research (NCAR) community climate model (CCM), we test the hypothesis that the global positioning...- publication PDF
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Interpretation of rank histograms for verifying ensemble forecasts
Rank histograms are a tool for evaluating ensemble forecasts. They are useful for determining the reliability of ensemble forecasts and for diagnosing errors in its mean and...- publication PDF
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Measurements of CHâOâNOâ in the upper troposphere
Methyl peroxy nitrate (CHâOâNOâ) is a non-acyl peroxy nitrate that is important for photochemistry at low temperatures characteristic of the upper troposphere. We report...- publication PDF
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An aircraft-based upper troposphere lower stratosphere Oâ, CO, and HâO...
We present a climatology of Oâ, CO, and HâO for the upper troposphere and lower stratosphere (UTLS), based on a large collection of high-resolution research aircraft data...- publication PDF
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Role of the atmospheric mean state on the initiation of the Madden-Julian...
Tropical channel models, defined as models that are global in the zonal direction but bounded in the meridional direction, are particularly useful for simulating the Madden-...- publication PDF
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Dynamics of tilted atmospheric vortices under asymmetric diabatic heating
Paschke et al. (J Fluid Mech, 2012) studied the nonlinear dynamics of strongly tilted vortices subject to asymmetric diabatic heating by asymptotic methods. They found, inter...- publication PDF
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ICOADS Release 2.5: Extensions and enhancements to the surface marine...
Release 2.5 of the International Comprehensive Ocean-Atmosphere Data Set (ICOADS) is a major update (covering 1662-2007) of the world's most extensive surface marine...- publication PDF
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A supercell storm simulation using a nonhydrostatic cloud-resolving model...
A three-dimensional simulation of a supercell storm is performed with a nonhydrostatic model based on a hybrid isentropic-sigma vertical coordinate. The coordinate is a terrain-...- publication PDF
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Combined winds and turbulence prediction system for automated air-traffic...
A time-lagged ensemble of energy dissipation rate (EDR)-scale turbulence metrics is evaluated against in situ EDR observations from commercial aircraft over the contiguous...- publication PDF
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Large-scale ionospheric disturbances during the 17 March 2015 storm: A...
This paper presents a detailed model-data comparative study of the 17 March 2015 geomagnetic storm using the high-resolution version of the thermosphere-ionosphere-...- publication PDF
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Proceedings of the 8th International Workshop on Climate Informatics: CI 2018
Climate informatics is an emerging research area that combines the fields of climate science and data science (specifically machine learning, data mining and statistics) to...- publication PDF
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The Central Amazon biomass sink under current and future atmospheric CO2:...
There is large uncertainty whether Amazon forests will remain a carbon sink as atmospheric CO2 increases. Hence, we simulated an old-growth tropical forest using six versions of...- publication PDF
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Comparisons of snowfall measurements in complex terrain made during the 2010...
Solid precipitation (SP) intensity ( Rs ) using four automatic gauges, Pluvio, PARSIVEL (PArticle, SIze and VELocity), FD12P and POSS, and radar reflectivity factor ( Z ) using...- publication PDF