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Space Weather Message Code: WARK04
Serial Number: 1688
Issue Time: 2011 Feb 04 0223 UTC
WARNING: Geomagnetic K-index of 4 expected
Valid From: 2011 Feb 04 0300 UTC
Valid To: 2011 Feb 04 0900 UTC
Warning Condition: Onset
WEAK IMPACT: Arriving a little later than expected, a CME hit Earth's magnetic field on Feb. 4th around 0200 UT. Although the impact was weak, conditions are now favorable for high-latitude auroras.