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Improving the analog ensemble wind speed forecasts for rare events
An analog-based ensemble technique, the analog ensemble (AnEn), has been applied successfully to generate probabilistic predictions of meteorological variables, wind and solar...- publication PDF
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Precise orbit determination for the FORMOSAT-3/COSMIC satellite mission using GPS
The joint Taiwan-US mission FORMOSAT-3/ COSMIC (COSMIC) was launched on April 17, 2006. Each of the six satellites is equipped with two POD antennas. The orbits of the six...- publication PDF
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Investigation of liquid cloud microphysical properties of deep convective...
To investigate liquid-phase (T>3 degrees C) cloud and precipitation microphysical properties within Deep Convective Systems (DCSs), eight DCS cases sampled by the University...- publication PDF
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Satellite all-sky infrared radiance assimilation: Recent progress and future...
Satellite infrared (IR) sounder and imager measurements have become one of the main sources of data used by data assimilation systems to generate initial conditions for...- publication PDF
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Assessing the influence of microphysical and environmental parameter...
Microphysical (MP) schemes contain parameters whose values can impact the amount and location of forecasted precipitation, and sensitivity is typically explored by perturbing...- publication PDF
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Integrating plant physiology into simulation of fire behavior and effects
Wildfires are a global crisis, but current fire models fail to capture vegetation response to changing climate. With drought and elevated temperature increasing the importance...- publication PDF
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Arctic mercury depletion and its quantitative link with halogens
Gas phase elemental mercury (Hg°) was measured aboard the NASA DC-8 research aircraft during the Arctic Research of the Composition of the Troposphere from Aircraft and...- publication PDF
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Limitations of one-dimensional mesoscale PBL parameterizations in...
Mesoscale models are considered to be the state of the art in modeling mountain-wave flows. Herein, the authors investigate the role and accuracy of planetary boundary layer...- publication PDF
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Total column water vapor, [In "States of the Climate in 2014"]
Most of the dozens of essential climate variables monitored each year in this report continued to follow their long-term trends in 2014, with several setting new records. Carbon...- publication PDF
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Validation of GOME-2/MetOp-A total water vapour column using reference...
The main goal of this paper is to validate the total water vapour column (TWVC) measured by the Global Ozone Monitoring Experiment-2 (GOME-2) satellite sensor and generated...- publication PDF
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Testing the tests: What are the impacts of incorrect assumptions when...
Which of two competing continuous forecasts is better? This question is often asked in forecast verification, as well as climate model evaluation. Traditional statistical tests...- publication PDF
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Assimilation of GNSS PWV with NCAR-RTFDDA to improve prediction of a landfall typhoon
Precipitable water vapor (PWV) retrieved from ground-based global navigation satellite system (GNSS) stations acquisition signal of a navigation satellite system provides high...- publication PDF
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Comparison of the economic impact of different wind power forecast systems...
Deterministic forecasts of wind production for the next 72 h at a single wind farm or at the regional level are among the main end-users requirement. However, for an optimal...- publication PDF
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ENSO impact on surface radiative fluxes as observed from space
We investigate the impact of El Nino-Southern Oscillation (ENSO) on surface radiative fluxes over the tropical Pacific using satellite observations and fluxes derived from...- publication PDF
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Global observing needs in the deep ocean
The deep ocean below 200 m water depth is the least observed, but largest habitat on our planet by volume and area. Over 150 years of exploration has revealed that this dynamic...- publication PDF
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Extending ensemble Kalman filter algorithms to assimilate observations with...
Data assimilation (DA), the statistical combination ofcomputer models with measurements, is applied in a variety of scientificfields involving forecasting of dynamical systems,...- publication PDF
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Documentation of NCAR CCM0B Program Modules
This report describes the program modules (main program, subroutines, functions, and common blocks) included in the NCAR Community Climate Model CCMOB library, except those...- publication PDF
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Modeled IMF By effects on the polar ionosphere and thermosphere coupling
There is still an inadequate understanding of how the interplanetary magnetic field (IMF) east-west component (B-y) affects thermospheric composition, and other ionospheric and...- publication PDF
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NCAR GPS Dropsonde Humidity Dry Bias
A dry bias in the RD94, mini dropsonde (NRD94) and Driftsonde MIST sonde humidity measurements has been discovered, which has existed since 2008. This document describes the...- publication PDF
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Tropical Cloud Cluster Environments and Their Importance for Tropical...
This study uses a nonhierarchical cluster analysis to identify the major environmental circulation patterns associated with tropical cloud cluster (TCC) formation in the western...- publication PDF
