Pre-storm <I>Nm</I>F2 enhancements at middle latitudes: delusion or reality?

A critical analysis of recent publications devoted to the <I>Nm</I>F2 pre-storm enhancements is performed. There are no convincing arguments that the observed cases of <I>Nm</I>F2 enhancements at middle and sub-auroral latitudes bear a relation to the following magnetic st...

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Bibliographic Details
Main Authors: A. V. Mikhailov, L. Perrone
Format: Article
Language:English
Published: Copernicus Publications 2009-03-01
Series:Annales Geophysicae
Online Access:https://www.ann-geophys.net/27/1321/2009/angeo-27-1321-2009.pdf