RV: ALERT: Geomagnetic K-index of 4

Space Weather Message Code: ALTK04

Serial Number: 1437

Issue Time: 2010 Mar 28 0537 UTC

ALERT: Geomagnetic K-index of 4

Threshold Reached: 2010 Mar 28 0536 UTC

Synoptic Period: 0300-0600 UTC

Station: Boulder

Active Warning: No

NOAA Space Weather Scale descriptions can be found at

www.swpc.noaa.gov/NOAAscales