WATCH: Geomagnetic A-index of 20 or greater predicted

WATCH: Geomagnetic A-index of 20 or greater predicted
NOAA Scale: Periods reaching the G1 (Minor) Level Likely
Valid for UTC Day: 2012 Apr 26

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/NOAAscales

Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.

Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.

Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.