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Self-organized criticality and homeostasis in atmospheric convective organiza...
Atmospheric convection has a tendency to organize on a hierarchy of scales ranging from the mesoscale to the planetary scales, with the latter especially manifested by the...- publication PDF
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Response of surface ultraviolet and visible radiation to stratospheric SO2 in...
Climate modification by stratospheric SO2 injections, to form sulfate aerosols, may alter the spectral and angular distributions of the solar ultraviolet and visible radiation...- publication PDF
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Constraining a 3DVAR radar data assimilation system with large-scale analysis...
It is known from previous studies that radar data assimilation can improve short-range forecasts of precipitation, mainly when radial wind and reflectivity are available....- publication PDF
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Advancements, measurement uncertainties, and recent comparisons of the NOAA f...
The NOAA frost point hygrometer (FPH) is a balloon-borne instrument flown monthly at three sites to measure water vapor profiles up to 28 km. The FPH record from Boulder,...- publication PDF
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A multiscale alignment method for ensemble filtering with displacement errors
High-resolution models nowadays simulate phenomena across many scales and pose challenges to the design of efficient data assimilation methods that reduce errors at all scales....- publication PDF
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Error analysis of Abel retrieved electron density profiles from radio occulta...
This letter reports for the first time the simulated error distribution of radio occultation (RO) electron density profiles (EDPs) from the Abel inversion in a systematic way....- publication PDF
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Meridional circulation dynamics in a cyclic convective dynamo
Surface observations indicate that the speed of the solar meridional circulation in the photosphere varies in anti-phase with the solar cycle. The current explanation for the...- publication PDF
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The Ice Particle and Aggregate Simulator (IPAS). Part II: Analysis of a datab...
Bulk ice-microphysical models parameterize the dynamic evolution of ice particles from advection, collection, and sedimentation through a cloud layer to the surface. Frozen...- publication PDF
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Digitized Global Monthly Mean Ocean Surface Temperatures
Monthly means of the global sea surface temperature have been produced in the form of composite charts for use with the NCAR general circulation model. These monthly charts are...- publication PDF
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The press and pulse of climate change: Extreme events in the Colorado River B...
Extremes in temperature and precipitation are associated with damaging floods, prolonged drought, destructive wildfires, agricultural challenges, compromised human health,...- publication PDF
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Improving coastal storm evacuation messages
Evacuation before severe coastal storms is a critical tool for keeping coastal residents safe. Effective messaging of evacuations could help save lives, but there is little...- publication PDF
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Aircraft measurements of BrO, IO, glyoxal, NO₂, H₂O, O₂-O₂ and aerosol extinc...
Tropospheric chemistry of halogens and organic carbon over tropical oceans modifies ozone and atmospheric aerosols, yet atmospheric models remain largely untested for lack of...- publication PDF
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Reactive nitrogen, ozone and ozone production in the Arctic troposphere and t...
We use aircraft observations obtained during the Arctic Research of the Composition of the Troposphere from Aircraft and Satellites (ARCTAS) mission to examine the distributions...- publication PDF
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A two-ejecta event associated with a two-step geomagnetic storm
A new view on how large disturbances in the magnetosphere may be prolonged and intensified further emerges from a recently discovered interplanetary process: the...- publication PDF
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Biomass burning markers and residential burning in the WINTER Aircraft Campaign
As part of the WINTER (Wintertime Investigation of Transport, Emissions, and Reactivity) campaign, a Particle-into-Liquid Sampler with a fraction collector was flown aboard the...- publication PDF
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Southern ocean overturning compensation in an eddy-resolving climate simulation
The Southern Ocean’s Antarctic Circumpolar Current (ACC) and meridional overturning circulation (MOC) response to increasing zonal wind stress is, for the first time, analyzed...- publication PDF
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Patterns and frequency of projected future tropical cyclone genesis are gover...
Potential future changes in the genesis frequency and distribution of tropical cyclones are important for society, yet uncertain. Confidence in the model projections largely...- publication PDF
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Evaluation and improvement of tail behaviour in the cumulative distribution f...
The cumulative distribution function transform (CDFt) downscaling method has been used widely to provide local-scale information and bias correction to output from physical...- publication PDF
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Response of the mesosphere-thermosphere-ionosphere system to global change: C...
Long-term trends in the mesosphere, thermosphere, and ionosphere are areas of research of increasing importance both because they are sensitive indicators of climatic change and...- publication PDF
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Diagnosing model errors from time-averaged tendencies in the Weather Research...
Accurate predictions in numerical weather models depend on the ability to accurately represent physical processes across a wide range of scales. This paper evaluates the utility...- publication PDF