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Whole Atmosphere Community Climate Model

temperature perturbations
Feb 14, 2023

Thermospheric and Ionospheric Effects by Gravity Waves from the Lower Atmosphere

Latitude-longitude distribution and NmF2 simulation
Oct 18, 2022

Investigation of the Post-Sunset Extra Electron Density Peak Poleward of the Equatorial Ionization Anomaly Southern Crest

Daily averaged TEC
Sep 2, 2022

On the variability of total electron content over Europe during the 2009 and 2019 Northern Hemisphere SSWs

Longitude-latitude maps of NmF2 from the NR (first column) and the difference of NmF2 between OSSEs and NR (second to fourth columns) at six different times.
Mar 3, 2022

Impact of Thermospheric Wind Data Assimilation on Ionospheric Electrodynamics using a Coupled Whole Atmosphere Data Assimilation System

Differences in the monthly mean temperature from the long-term average over three WACCM realizations
Nov 18, 2021

Interhemispheric Coupling Mechanisms in the Middle Atmosphere of WACCM6

SW2 amplitude in neutral temperature
Nov 18, 2021

On the importance of interactive ozone chemistry in Earth-System models for studying MLT tidal changes during sudden stratospheric warmings

Local-time and seasonal variations of day-to-day variability of vertical E×B drift
Nov 18, 2021

Quiet-time Day-to-day Variability of Equatorial Vertical E×B Drift from Atmosphere Perturbations at Dawn

Comparison of 135.6 nm emissions from the SAMI3/WACCM-X simulation for the March case (left and middle panels) and GOLD emission data (right panel) observed from geosynchronous orbit [Eastes et al., 2019]
Nov 17, 2021

Global Modeling of Equatorial Spread F with SAMI3/WACCM-X

(a) Root mean square error and (b) bias in WACCMX+DART experiments compared to ground-based Global Navigation Satellite System (GNSS) total electron content observations for the 1 hr forecast (F) and analysis (A)
Nov 16, 2021

Assimilation of Ionosphere Observations in the Whole Atmosphere Community Climate Model with thermosphere-ionosphere eXtension (WACCMX)

Comparison of the whole atmosphere temperature profiles from the true state, lower atmosphere only assimilation (LA), and lower-atmosphere plus GOLD assimilation (LA+GOLD) for 14 UT (left column) and 18 UT (right column) at different locations inside the GOLD field of view (top) and for the zonal mean (bottom)
Nov 16, 2021

Impact of GOLD Retrieved Thermospheric Temperatures on a Whole Atmosphere Data Assimilation Model

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This material is based upon work supported by the National Center for Atmospheric Research, a major facility sponsored by the National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the National Science Foundation.