I don't know if anyone posted this already but Space Weather has another warning for a potential 6 Kp



Space Weather Message Code: WARK06
Serial Number: 203
Issue Time: 2012 Jul 15 1703 UTC

WARNING: Geomagnetic K-Index of 6 expected
Valid From: 2012 Jul 15 1705 UTC
Valid To: 2012 Jul 15 2100 UTC
Warning Condition: Persistence
NOAA Scale: G2 - Moderate
Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.

[link to www.swpc.noaa.gov]