sabato 8 marzo 2008

ALERT: Geomagnetic K-index of 4

Space Weather Message Code: ALTK04
Serial Number: 1341
Issue Time: 2008 Mar 08 1309 UTC

ALERT: Geomagnetic K-index of 4
Threshold Reached: 2008 Mar 08 1308 UTC
Synoptic Period: 1200-1500 UTC
Station: Boulder
Active Warning: Yes

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

(via Nicolas Eramo)