Coronal Hole Solar Wind Forecast §

Based on Empirical Space Weather Forecast Tool by University of Graz.
SDO image courtesy of NASA/SDO and the AIA, EVE, and HMI science teams.

Version 1.0

SDO 193 Å EUV Image

NOAA SWPC Syntopic Map

DunedinAurora.NZ computer generated CH Map



Linear approximation is: Predicted windspeed = 364.70 + 480.63 * coronal hole area on meridian
Pearsons correlation |r| = 0.5254
Average Windspeed is 408.1km/s
Space weather transit time is 4.2 days