Identification of the mechanisms responsible for anomalies in the tropical lower thermosphere/ionosphere caused by the January 2009 sudden stratospheric warming | Journal of Space Weather and Space Climate

Open Access

Fig. 1

Day-to-day variability of zonal mean neutral temperature anomalies during January 2009 above the northern polar cap (70°–90° N, left panels) and above the tropics (20° S–20° N, right panels) obtained using MIPAS observational data (top) and EAGLE model results (bottom). Vertical lines indicate the onset (dotted) and peak (solid) of the 2009 SSW.

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