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Global Climate [in "State of the Climate in 2019"]
Global Climate is one chapter from the State of the Climate in 2019 annual report. Compiled by NOAA’s National Centers for Environmental Information, State of the Climate in...- publication PDF
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Preliminary impact studies using Global Positioning System radio occultation...
Following the successful launch of the Constellation Observing System for Meteorology, Ionosphere and Climate (COSMIC) satellites in April 2006, NCEP's Environmental Modeling...- publication PDF
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Whistler mode waves in the compressional boundary of foreshock transients
Earth's foreshock is filled with backstreaming particles that can generate a variety of waves and foreshock transients. According to recent studies, these particles can be...- publication PDF
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Community-wide validation of geospace model ground magnetic field...
In this paper we continue the community-wide rigorous modern space weather model validation efforts carried out within GEM, CEDAR and SHINE programs. In this particular effort,...- publication PDF
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Air Motions in a Rotating Spheroidal Shell
This report comprises translations of three papers by Max Margules on atmospheric oscillations, namely "Luftbewegungen in einer rotierenden Spharoidschale bei zonaler...- publication PDF
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Internal variability in projections of twenty-first-century arctic sea ice...
Internal variability in twenty-first-century summer Arctic sea ice loss and its relationship to the large-scale atmospheric circulation is investigated in a 39-member Community...- publication PDF
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Observational constraints on the chemistry of isoprene nitrates over the...
The formation of organic nitrates during the oxidation of the biogenic hydrocarbon isoprene can strongly affect boundary layer concentrations of ozone and nitrogen oxides (NOx =...- publication PDF
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Interannual fires as a source for subarctic summer decadal climate...
Climate model simulations run under the Coupled Model Intercomparison Project Phase 6 (CMIP6) use an inhomogeneous biomass burning aerosol (BBA) emission dataset, which exhibits...- publication PDF
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Northern Hemisphere vegetation change drives a Holocene thermal maximum
The Holocene thermal maximum, a period of global warmth evident in early to mid-Holocene proxy reconstructions, is controversial. Most model simulations of the Holocene have not...- publication PDF
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Modeling of cloud microphysics: Can we do better?
Representation of cloud microphysics is a key aspect of simulating clouds. From the early days of cloud modeling, numerical models have relied on an Eulerian approach for all...- publication PDF
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Thermospheric neutral density variation during the "SpaceX" storm:...
The Starlink satellites launched on 3 February 2022 were lost before they fully arrived in their designated orbits. The loss was attributed to two moderate geomagnetic storms...- publication PDF
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Projections of future summertime ozone over the U.S.
We use a regional coupled chemistry-transport model to assess changes in surface ozone over the summertime U.S. between present and a 2050 future time period at high spatial...- publication PDF
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Decadal relationship between European blocking and the North Atlantic...
Both the positive and negative phases of the North Atlantic Oscillation (NAO⁺ and NAO⁻, respectively) and atmospheric blocking in the Euro-Atlantic sector reflect synoptic...- publication PDF
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Data-constrained MHD simulation for the eruption of a filament-sigmoid...
The separation of a filament and sigmoid is observed during an X1.4 flare on 2012 July 12 in solar active region 11520, but the corresponding change in magnetic field is not...- publication PDF
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Regional modeling of carbonaceous aerosols over Europe--focus on secondary...
In this study, an improved and complete secondary organic aerosols (SOA) chemistry scheme was implemented in the CHIMERE model. The implementation of isoprene chemistry for SOA...- publication PDF
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Ice fog in Arctic during FRAM-Ice Fog Project: Aviation and nowcasting applications
Ice fog and frost occur commonly (at least 26% of the time) in the northern latitudes and Arctic regions during winter at temperatures usually less than about –15°C. Ice fog is...- publication PDF
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Saharan dust, convective lofting, aerosol enhancement zones, and potential...
Dry aerosol size distributions and scattering coefficients were measured on 10 flights in 32 clear-air regions adjacent to tropical storm anvils over the eastern Atlantic Ocean....- publication PDF
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Assimilating vortex position with an ensemble Kalman filter
Observations of hurricane position, which in practice might be available from satellite or radar imagery, can be easily assimilated with an ensemble Kalman filter (EnKF) given...- publication PDF
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The inherent uncertainty of precipitation variability, trends, and extremes...
The approximately century-long instrumental record of precipitation over land reflects a single sampling of internal variability. Thus, the spatiotemporal evolution of the...- publication PDF
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A mixed integer genetic algorithm used in chem-bio defense applications
There are many problems in security and defense that require a robust optimization technique, including those that involve the release of a chemical or biological contaminant....- publication PDF
