HAO

NCAR High Altitude Observatory

About the Mauna Loa Solar Observatory

The Mauna Loa Solar Observatory (MLSO) occupies part of the NOAA Mauna Loa research site located on the flank of Mauna Loa at an elevation of 3440 meters on the island of Hawaii. It is operated by the High Altitude Observatory, a division of the National Center for Atmospheric Research, which is located in Boulder, Colorado.

Sreelakshmi Jayaraman

Sreelakshmi Jayaraman is a Ph.D. student at the Indian Institute of Geomagnetism, India, under the supervision of Dr. Geeta Vichare. She has been a visiting scholar at the High Altitude Observatory of the National Center for Atmospheric Research since 2020 in collaboration with Dr. Astrid Maute.

Damon Burke

Damon is a cross-discipline engineer in the HAO Instrumentation Group, covering a broad spectrum encompassing electronics and computer interfacing.

Haonan Wu

Haonan Wu is a graduate student in the Department of Physics and Astronomy at Clemson University. His research focuses on the ionosphere-thermosphere interactions during magnetic storm time using numerical models.

Lower thermospheric material transport via Lagrangian coherent structures

Lagrangian coherent structures (LCSs) are indicating regions of material transport
Thursday, May 5, 2022

Lagrangian coherent structures (LCSs), indicating regions of material transport, are derived from models of the lower thermosphere for five space shuttle water vapor plume events.

The effects of IMF By on the middle thermosphere during a geomagnetically “quiet” period at solar minimum

Colorful sphere-shaped comparison between TIE-GCM and GOLD
Thursday, May 5, 2022

Numerical simulations using the National Center for Atmospheric Research (NCAR) thermosphere-ionosphere-electrodynamics general circulation model (TIE-GCM) are performed to elucidate the effects of the interplanetary magnetic field (IMF) on the middle thermosphere composition during a “geomagneti

The Multiscale Atmosphere-Geospace Environment (MAGE) model

Center for Geospace Storms: Transforming the understanding and predictability of space weather. Image: APL

NCAR is a leading partner in the development of a model simulation that will transform scientists’ ability to model the impacts of space weather storms, which can disrupt radio communications, damage satellites, endanger astronauts, and down electrical grids.

2022 UCAR/NCAR Summer Programs: Space Weather & Heliophysics

A giant solar flare erupting from the sun

Join us for two excellent opportunities to broaden and deepen your understanding of Space Weather and Heliophysics, and to connect with the broader space physics community—the Boulder Space Weather Summer School and the Heliophysics Summer School.

Impacts of Different Causes on the Inter–Hemispheric Asymmetry of Ionosphere–Thermosphere System at Mid– and High–Latitudes: GITM Simulations

Multiple circular diagrams comparing aligned dipole with IGRG
Tuesday, March 29, 2022

There are significant differences between the Earth’s two hemispheres such as the Earth's magnetic field and the intensity of solar radiation due to Earth's tilt of the rotation axis with respect to the Sun.

Magnetic fields in the solar convection zone (major update)

Colorful swirling magnetic field lines
Tuesday, March 29, 2022

It has been a prevailing picture that active regions on the solar surface originate from a strong toroidal magnetic field stored in the overshoot region at the base of the solar convection zone, generated by a deep seated solar dynamo mechanism.

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