7-10 days time will see PV disruption, trouble is at the moment the PV is too close to Greenland and is fairly strong, meaning that the only way that the cold spell can continue is through the blocking being centred to our northeast. IF the block stays in place for long enough and retains enough strength, once the PV moves or weakens, pressure is likely to rise over Greenland again. That is why it is important that we see the models continue to extend this cold period with the block to the northeast. IF the PV plays ball and we get the block to hold long enough, you can bank on the next round to be just as severe as the one are encountering now, maybe even more disruptive. That's all pie in the sky at the moment though. Watch the models extend the cold spell over the next few days. No mild spell for at least 2 weeks; that's my take on proceedings anyway. Aaron