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Introduction

Radar chain, satellite observations and modelling of Nov 2004 storm I

A number of superstorms have been studied in the last five years including the Bastille Day and Halloween events. The November 2004 event is unique in that World Day operations occurred in the last half of the storm. Strong evidence exists for periods of over and under-shielding as well as a disturbance dynamo (DD) at the Jicamarca location. A number of effects on generation of equatorial spread F can be related to these electric field variations which included record upward drifs (<120 m/s). Satellite data indicate very low equatorial densities and molecular ions at high altitudes. These and other factors will be compared to models such as the TIMEGCM and the AFRL spread F predictions. Researchers familiar with other storms are very welcome to participate.

Be sure to catch the second part of this session, S: Radar chain, satellite observations and modelling of Nov 2004 storm II, at 16:00.