18 citations · 18 across the 3 of their papers we have counts for
3 papers
The Extreme Space Weather Event of 1872 February: Sunspots, Magnetic Disturbance, and Auroral Displays
Hisashi Hayakawa, Edward W. Cliver, Frédéric Clette +19
We review observations of solar activity, geomagnetic variation, and auroral visibility for the extreme geomagnetic storm on 1872 February 4. The extreme storm (referred to here as…
Relationship between TIGRE solar S-index and USET Ca II K full disk images
G. Vanden Broeck, S. Bechet, F. Clette +3
Full disk observations of the solar chromosphere in the Ca II K line represent a valuable dataset for studies of solar magnetic activity. The S-index is widely used to investigate…
The McNish and Lincoln Solar Activity Predictions: The Method and its Performance
Frédéric Clette, Shantanu Jain, Tatiana Podladchikova
The McNish and Lincoln (ML) method, introduced in 1949, was one of the first attempts to produce mid-term forecasts of solar activity, up to 12 months ahead. However, it has been p…