23,193 resources found

Volcanic sulfate aerosols in the stratosphere produce significant long-term solar and infrared radiative perturbations in the Earth's atmosphere and at the surface, which cause...

Over the 21st century changes in both tropospheric and stratospheric ozone are likely to have important consequences for the Earth's radiative balance. In this study, we...

The NCAR Whole Atmosphere Community Climate Model, version 3 (WACCM3), is used to study the atmospheric response from the surface to the lower thermosphere to changes in solar...

The Tibetan Plateau (TP) region experiences strong land-atmosphere interactions, and as an elevated heating source, significantly influences the formation of the Asian monsoon....

Aerosol particles undergo physical and chemical changes during cloud processes. In this work, we quantified the changes in aerosol mixing state using a particle-resolved model....

As climate change increases the frequency and severity of extreme weather events, communities are facing growing vulnerability. Addressing this urgent challenge requires...

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In the U.S., over 38,000 fatalities occur every year due to automotive accidents where 24% of these accidents are attributable to inclement weather. Automated driving systems...

The impacts of assimilating meteorological observations on source emissions estimate and chemical simulations are investigated. Using 6-hr Global Forecast System (GFS) analyses...

Four model-error schemes for probabilistic forecasts over the contiguous United States with the WRF-ARW mesoscale ensemble system are evaluated in regard to performance....

Historically, time-split schemes for numerically integrating the nonhydrostatic compressible equations of motion have not formally conserved mass and other first-order flux...

We have derived an analytic form of the thickness redistribution function, Psi, and compressive strength of sea ice using variational principles. By using the technique of...

Land surface models (LSMs) predict how terrestrial fluxes of carbon, water, and energy change with abiotic drivers to inform the other components of Earth system models. Here,...

Extraordinary heat extremes occurred in the 1930s in areas of the Northern Hemisphere far from the record setting heat over the US associated with the Great Plains Dust Bowl...

In this work, an attempt is made to systematically evaluate the effect of convective scale downdrafts on the model-simulated rainfall, in both aqua- and actual-planet...

Remaining carbon budget specifies the cap on global cumulative CO(2)emissions from the present-day onwards that would be in line with limiting global warming to a specific...

Low-altitude radar reflectivity measurements of tornadoes sometimes reveal a donut-shaped signature (low-reflectivity eye surrounded by a high-reflectivity annulus) and at other...

Hybrid variational ensemble data assimilation (hybrid DA) is widely used in research and operational systems, and it is considered the current state of the art for the...

The global positioning system (GPS) radio occultation (RO) technique has demonstrated the ability to precisely probe earth's atmosphere globally with high vertical resolution....

The microphysical processes that lead to the development of precipitation in small, warm cumulus are examined using data from the Small Cumulus Microphysics Study near Cape...