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 = 363.60 + 415.46 * coronal hole area on meridian
Pearsons correlation |r| = 0.3840
Average Windspeed is 405.9km/s
Space weather transit time is 4.3 days