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.

BETA Test Edition

SDO 193 Å EUV Image

NOAA SWPC Syntopic Map

DunedinAurora.NZ computer generated CH Map



Linear approximation is: Predicted windspeed = 345.75 + 685.78 * coronal hole area on meridian
Pearsons correlation |r| = 0.6239
Average Windspeed is 417.4km/s
Space weather transit time is 4.1 days