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A generalization of Lorenz's model for the predictability of flows with many...
In a seminal paper, E. N. Lorenz proposed that flows with many scales of motion in which smaller-scale error spreads to larger scales and in which the error-doubling time...- publication PDF
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The Airborne Infrared Spectrometer: Development, characterization, and the...
On 2017 August 21, the Airborne Infrared Spectrometer (AIR-Spec) observed the total solar eclipse at an altitude of 14 km from aboard the NSF/NCAR Gulfstream V research...- publication PDF
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New model ensemble reveals how forcing uncertainty and model structure alter...
Climate simulation uncertainties arise from internal variability, model structure, and external forcings. Model intercomparisons (such as the Coupled Model Intercomparison...- publication PDF
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Morphological properties of slender Ca II H fibrils observed by Sunrise II
We use seeing-free high spatial resolution Ca II H data obtained by the SUNRISE observatory to determine properties of slender fibrils in the lower solar chromosphere. In this...- publication PDF
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Diagnosing observed stratospheric water vapor relationships to the cold...
Dehydration at the tropical cold point tropopause primarily controls the entry value of water vapor to the stratosphere, with additional (uncertain) contributions from...- publication PDF
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A characterization of the present-day arctic atmosphere in CCSM4
Simulation of key features of the Arctic atmosphere in the Community Climate System Model, version 4 (CCSM4) is evaluated against observational and reanalysis datasets for the...- publication PDF
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Proceedings of the 2020 Improving Scientific Software Conference
The Software Engineering Assembly (SEA) is a loosely structured group of software engineers and scientists who write scientific software, mostly but not only at NCAR and mostly...- publication PDF
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Proceedings of the 6th International Workshop on Climate Informatics: CI 2016
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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Coronal plasma diagnostics from ground-based observations
In this paper we discuss the potential of ground-based visible observations of the solar corona to address the key open problems in the physics of the solar atmosphere and of...- publication PDF
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Science fiction, science fact and society: Meteorology in recent popular...
This article does not have an abstract or article summary.- publication PDF
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Whistler mode waves in the compressional boundary of foreshock transients
Earth's foreshock is filled with backstreaming particles that can generate a variety of waves and foreshock transients. According to recent studies, these particles can be...- publication PDF
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Modeling, error analysis and evaluation of dual polarization variables...
In this two-part paper the biases of polarimetric variables from simultaneous horizontally and vertically transmitted (SHV) data are investigated. Here, in Part I, a radar-...- publication PDF
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The impact of volatile chemical products, other VOCs, and NOx on peak ozone...
High concentrations of ozone along the coastline of Lake Michigan are a persistent air quality management challenge. Complementing observations during the 2017 Lake Michigan...- publication PDF
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The potential benefits of handling mixture statistics via a bi-Gaussian...
The meteorological characteristics of cloudy atmospheric columns can be very different from their clear counterparts. Thus, when a forecast ensemble is uncertain about the...- publication PDF
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Errors in Wind Measurements Derived From Omega Signals
This report is a further investigation of wind measurement errors using the 13.6 kHz Omega signals, and is based on assumptions that are either "reasonable" or cautious enough...- publication PDF
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Structure and dynamics of axisymmetric tornado-like vortices simulated with...
No-slip boundary conditions are often employed in idealized axisymmetric models to study tornadoes. These boundary conditions result in a poor representation of near-ground...- publication PDF
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1.5 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
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The abuse of popular performance metrics in hydrologic modeling
The goal of this commentary is to critically evaluate the use of popular performance metrics in hydrologic modeling. We focus on the Nash-Sutcliffe Efficiency (NSE) and the...- publication PDF
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The Maunder minimum and the Little Ice Age: An update from recent...
The Maunder minimum (MM) was a period of extremely low solar activity from approximately AD 1650 to 1715. In the solar physics literature, the MM is sometimes associated with a...- publication PDF
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Performance of the new NCAR CAM3.5 in east Asian summer monsoon Simulations:...
The performance of an interim version of the NCAR Community Atmospheric Model (CAM3.5) in simulating the East Asian summer monsoon (EASM) is assessed by comparing model results...- publication PDF
