4 papers
"Corotating Interaction Regions (CIRs)", "Interaction Regions (IRs)" and "Stream Interaction Regions (SIRs)", which term should be used?
Bruce T. Tsurutani, Rajkumar Hajra, Gurbax S. Lakhina
We discuss the early history of quasiperiodic ~27-day recurrent geomagnetic activity starting with Maunder (1904, 1905), Chree (1913) and Bartels (1932, 1934), and the Bartels term…
The April 2023 SYM-H = -233 nT Geomagnetic Storm: A Classical Event
Rajkumar Hajra, Bruce Tsatnam Tsurutani, Quanming Lu +8
The 23-24 April 2023 double-peak (SYM-H intensities of -179 and -233 nT) intense geomagnetic storm was caused by interplanetary magnetic field southward component Bs associated wit…
Review of the August 1972 and March 1989 Space Weather Events: Can We Learn Anything New From Them?
Bruce T. Tsurutani, Abhijit Sen, Rajkumar Hajra +3
Updated summaries of the August 1972 and March 1989 space weather events have been constructed. The features of these two events are compared to the Carrington 1859 event and a few…
Interplanetary Causes and Impacts of the 2024 May Superstorm on the Geosphere: An Overview
Rajkumar Hajra, Bruce Tsatnam Tsurutani, Gurbax Singh Lakhina +2
The recent superstorm of 2024 May 10-11 is the second largest geomagnetic storm in the space age and the only one that has simultaneous interplanetary data (there were no interplan…