Spectacular low- and mid-latitude electrical fields and neutral winds during a superstorm

Michael C. Kelley, Ronald R. Ilma, Michael Nicolls, Philip Erickson, Larisa Goncharenko, Jorge L. Chau, Nestor Aponte, Janet U. Kozyra

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)


In November 2004, a major magnetic storm occurred, a lengthy portion of which was recorded by the Upper Atmospheric Radar Chain. On the 9th and 10th, the Jicamarca Radar detected the highest magnitude penetrating electric fields (±3 mV/m) and vertical drifts (±120 m/s) ever seen at this premiere facility. These large and variable drifts were highly correlated with the interplanetary magnetic and electric fields and created a double F layer on the dayside and unusual TEC behavior throughout the low-latitude zone. These solar wind-induced drifts both suppressed and generated irregularities at the magnetic equator at different times. Large-scale thermospheric disturbances were generated by high-latitude heating and tracked through the middle- to low-latitude zones where both parallel and perpendicular plasma drifts created major ionospheric changes. The auroral oval was located at a magnetic L shell of about three for many hours.

Original languageEnglish
Pages (from-to)285-291
Number of pages7
JournalJournal of Atmospheric and Solar-Terrestrial Physics
Issue number4
Publication statusPublished - Mar 2010

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Atmospheric Science
  • Space and Planetary Science


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