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Spacecraft and Ground Anomalies Related to the October-November 2003 Solar Activity
Webb, David; Allen, Joe
During two weeks in late October and early November 2003, a series of large solar events led to high levels of energetic particles in geospace and produced overlapping large geomagnetic storms on 28-30 October. These storms caused effects ranging from power grid failures to satellite shutdowns. A Japanese satellite was lost completely, the U. S. F…
Correlation between speeds of coronal mass ejections and the intensity of geomagnetic storms
Wang, Haimin; Yurchyshyn, Vasyl; Abramenko, Valentyna
We studied the relationship between the projected speed of coronal mass ejections (CMEs), determined from a sequence of Solar and Heliospheric Observatory/Large Angle and Spectrometric Coronagraph Experiment (SOHO/LASCO) images, and the hourly averaged magnitude of the Bz component of the magnetic field in an interplanetary ejecta, as m…
October-November 2003's space weather and operations lessons learned
Barbieri, L. P.; Mahmot, R. E.
The Sun-Earth space weather related to sunspots NOAA 484, 486, and 488 affected a number of NASA spacecraft and instruments between mid-October and early November 2003. Information available from Earth and space science missions indicate that about 59% of the spacecraft and about 18% of the instrument groups experienced some effect from the solar …
Prediction performance of space weather forecast centers following the extreme events of October and November 2003
Oler, Cary
A review and analysis of the five strongest interplanetary coronal mass ejection (ICME) events of late October and early November 2003 (the strongest events of the "Halloween" epoch) are studied with respect to the prediction performance of five space weather forecast centers. Accurate time-of-arrival predictions and rapid responses to the upstrea…
Suprathermal ions ahead of interplanetary shocks: New observations and critical instrumentation required for future space weather monitoring
Galvin, A. B.; McComas, D. J.; Schwadron, N. A. +2 more
We report new findings on the low-energy ion population associated with interplanetary (IP) shocks based on Wind/Suprathermal Ion Composition Spectrometer (STICS) observations. Suprathermal ions (6-200 keV) are present in the upstream region of most (86%) IP shocks at 1 AU. These foreshock ions are characterized by (1) median energy >25 keV, th…