Coronal Holes:


A solar wind stream flowing from the indicated coronal hole should reach Earth on or about Jan. 25th or 26th. Credit: SOHO Extreme UV Telescope
Geomagnetic Storms:
Probabilities for significant disturbances in Earth's magnetic field are given for three activity levels: active, minor storm, severe storm
Updated at: 2009 Jan 22 2201 UTC
Mid-latitudes 0-24 hr 24-48 hr
ACTIVE 01 % 01 %
MINOR 01 % 01 %
SEVERE 01 % 01 %
High latitudes 0-24 hr 24-48 hr
ACTIVE 05 % 05 %
MINOR 01 % 01 %
SEVERE 01 % 01 %