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Technical description of version 4.5 of the Community Land Model (CLM)
The purpose of this technical note is to describe the biogeophysical and biogeochemical parameterizations and numerical implementation of version 4.5 of the Community Land Model...- publication PDF
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Does ocean coupling matter for the northern extratropical response to...
The question of whether ocean coupling matters for the extratropical Northern Hemisphere atmospheric response to projected late 21st century Arctic sea ice loss is addressed...- publication PDF
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A climatology of hurricane eye formation
This paper presents a climatology of the initial eye formations of a broad set of Atlantic tropical cyclones (TCs) during 1989 - 2008. A new dataset of structure and intensity...- publication PDF
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A comparison of model-based ionospheric and ocean tidal magnetic signals...
Observed tidal geomagnetic field variations are due to a combination of electric currents in the ionosphere, ocean, and their induced counterparts. Using these variations to...- publication PDF
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Boundary value problems for the shallow water equations with topography
Nonviscous shallow water equations with topography are considered in one spatial dimension. The aim is to find boundary conditions which are physically suitable; that is, they...- publication PDF
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Comparison of precipitable water observations in the near tropics by GPS,...
The sensing of precipitable water (PW) using the Global Positioning System (GPS) in the near Tropics is investigated. GPS data acquired from the Central Weather Bureau's Taipei...- publication PDF
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Sensitivity of tropical rainfall to Banda Sea Diffusivity in the Community...
Several observational studies suggest that the vertical diffusivity in the Indonesian marginal seas is an order of magnitude larger than in the open ocean and what is used in...- publication PDF
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Challenges of Operational Weather Forecast Verification and Evaluation
Operational agencies face significant challenges related to the verification and evaluation of weather forecasts. These challenges were investigated in a series of online...- publication PDF
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Validation of OMPS Suomi NPP and OMPS NOAA-20 formaldehyde total columns...
We validate formaldehyde (HCHO) vertical column densities (VCDs) from Ozone Mapping and Profiler Suite Nadir Mapper (OMPS-NM) instruments onboard the Suomi National Polar-...- publication PDF
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On the value of time-lag-ensemble averaging to improve numerical model...
The High-Resolution Rapid Refresh (HRRR) model with its hourly updating cycles provides multiple weather forecasts valid at any given time. A logical combination of these...- publication PDF
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Quantifying the role of internal climate variability in future climate trends
Internal variability in the climate system gives rise to large uncertainty in projections of future climate. The uncertainty in future climate due to internal climate...- publication PDF
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Characterization of the long-term radiosonde temperature biases in the upper...
Radiosonde observations (RAOBs) have provided the only long-term global in situ temperature measurements in the troposphere and lower stratosphere since 1958. In this study, we...- publication PDF
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Quantifying the risk of extreme events under climate change
We are all familiar with the proverbial "100-year flood," a concept instrumental in engineering design for water resources management. This concept, generally termed a "return...- publication PDF
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The intraseasonal and interannual variability of Arctic temperature and...
Temperature and humidity inversions are common in the Arctic's lower troposphere, and are a crucial component of the Arctic's climate system. In this study, we quantify the...- publication PDF
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Global changes in terrestrial vegetation and continental climate during the...
Most studies of the response of terrestrial vegetation to climate change during the Paleocene-Eocene Thermal Maximum (PETM) have focused on individual sites and sections. To get...- publication PDF
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A probabilistic climatology-based analogue intensity forecast scheme for...
In this article, we develop an objective probabilistic climatology-based intensity forecast (PCIF) scheme for tropical cyclones (TCs) over the northwestern Pacific region based...- publication PDF
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Balance of the background-error variances in the ensemble assimilation...
This paper quantifies the linear mass wind field balance and its temporal variability in the global data assimilation system Data Assimilation Research Testbed/Community...- publication PDF
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A real-time model-observation comparison of F2 peak electron densities...
The first-principles, time-dependent Thermosphere-Ionosphere Nested Grid (TING) Model has been run automatically in real time to support the Upper Atmospheric Research...- publication PDF
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The consequences of surface-exchange coefficient uncertainty on an otherwise...
In addition to initial conditions, uncertainty in model physics can also influence the practical predictability of tropical cyclones. In this study, the influence that various...- publication PDF
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Long-lived mesoscale systems in a low-convective inhibition environment....
Part II of this study of long-lived convective systems in a tropical environment focuses on forward-tilted, downshear-propagating systems that emerge spontaneously from...- publication PDF