Thermospheric winds

Control of ionospheric plasma velocities by thermospheric winds

A three-dimensional diagram ICON observations Indicating In-situ Ion Drift
Friday, October 22, 2021

Earth’s equatorial ionosphere exhibits significant and unpredictable day-to-day variations in density and morphology. This presents difficulties in preparing for adverse impacts on technological systems even 24 hours in advance.

HIWIND Observation of Summer Season Polar Cap Thermospheric Winds

Graphic image of HIWIND thermospheric winds
Wednesday, February 5, 2020

HIWIND (High altitude Interferometer WIND experiment) is a balloon borne Fabry Perot interferometer (FPI) for daytime thermospheric wind observations.

New 2018 HIWIND Thermospheric Wind Observations

Graphs depicting 2018 HIWIND Thermospheric Wind Observations
Thursday, June 13, 2019

Daytime thermospheric winds observed by the balloon-borne instrument HIWIND (High altitude Interferometer WIND experiment) during two flights in June 2011 and 2018 from Kiruna (68°N, 20°E), along with simultaneous EISCAT (European Incoherent SCATter radar) ion drift data, are analyzed.

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