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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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Mesoanalysis of the interactions of precipitating convection and the boundary layer
The Oklahoma Mesonet surface wind data and the Arkansas Basin River Forecast Center (ABRFC) gridded hourly precipitation data from May to August, 1997, were used to demonstrate...- publication PDF
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HEPPA-II model-measurement intercomparison project: EPP indirect effects...
We compare simulations from three high-top (with upper lid above 120â¯km) and five medium-top (with upper lid around 80km) atmospheric models with observations of odd nitrogen...- publication PDF
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A verification framework for interannual-to-decadal predictions experiments
Decadal predictions have a high profile in the climate science community and beyond, yet very little is known about their skill. Nor is there any agreed protocol for estimating...- publication PDF
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A Three-demiensional Variational (3DVAR) Data Assimilation System for Use With MM5
This report describes the three-dimensional variational (3DVAR) data assimilation system designed and built in the MMM Division of NCAR for use with the MM5 modeling system....- publication PDF
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Distributed Evaluation of Local Sensitivity Analysis (DELSA), with...
This paper presents a hybrid local-global sensitivity analysis method termed the Distributed Evaluation of Local Sensitivity Analysis (DELSA), which is used here to identify...- publication PDF
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Improved simulations of tropical Pacific annual-mean climate in the GFDL...
The National Oceanic and Atmospheric Administration's Geophysical Fluid Dynamics Laboratory has recently developed two global coupled general circulation models, the Forecast-...- publication PDF
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Potential impact of stratospheric aerosol geoengineering on sea surface...
Stratospheric aerosol geoengineering (SAG), which is based on the injection of sulfur dioxide into the stratosphere, is one of the methods proposed to mitigate the effects of...- publication PDF
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Conceptualizing confidence: A multisited qualitative analysis in a severe...
Confidence is a concept important to weather prediction, shaping how risk information is created, shared, understood, and acted upon. For forecasters in the National Weather...- publication PDF
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High-resolution tropospheric carbon monoxide profiles retrieved from CrIS and TROPOMI
The Measurements of Pollution in the Troposphere (MOPITT) instrument is the only satellite-borne sensor in operation that uses both thermal (TIR) and near-infrared (NIR)...- publication PDF
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Hemispheric asymmetry of ionospheric Poynting flux during geomagnetically...
Using a large database containing DMSP F13 observations under geomagnetically quiet conditions from 1998 to 2009, the hemispheric asymmetries of the distribution of the Poynting...- publication PDF
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Developing high-quality field program sounding datasets
A general procedure for creating research-quality field program sounding datasets is described. Software tools needed to implement this procedure are provided. Enormous...- publication PDF
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Numerical simulations of the formation of Hurricane Gabrielle (2001)
This study examines the formation of Hurricane Gabrielle (2001), focusing on whether an initial disturbance and vertical wind shear were favorable for development. This...- publication PDF
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Water Year 2021 Compound Precipitation and Temperature Extremes in...
Anthropogenically forced-warming and La Nina forced-precipitation deficits caused at least a sixfold risk increase for compound extreme low precipitation and high temperature in...- publication PDF
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High-resolution gridded soil moisture and soil temperature datasets for the...
High-resolution soil moisture/temperature (SM/ST) are critical components of the growing demand for fine-scale products over the Indian monsoon region (IMR) which has diverse...- publication PDF
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Aviation applications for satellite-based observations of cloud properties,...
Advanced Satellite Aviation Weather Products (ASAP) was jointly initiated by the NASA Applied Sciences Program and the NASA Aviation Safety and Security Program in 2002. The...- publication PDF
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Does increased horizontal resolution Improve hurricane wind forecasts?
The representation of tropical cyclone track, intensity, and structure in a set of 69 parallel forecasts performed at each of two horizontal grid increments with the Advanced...- publication PDF
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Statistical assessment of tropical convection-permitting model simulations...
This study presents a method for comparing convection-permitting model simulations to radar observations using an innovative object-based approach. The method uses the automated...- publication PDF
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The topology and behavior of magnetic fields emerging at the solar photosphere
The nature of flux emerging through the surface layers of the Sun is examined in the light of new high-resolution magnetic field observations from the Hinode space mission. The...- publication PDF
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Effects of mesoscale surface thermal heterogeneity on low-level horizontal...
Using large-eddy simulation, we investigate characteristics of horizontal wind speed at 100 m above the ground, with surface heat-flux variations that are sinusoidal with...- publication PDF