Snow !!!

I woke up this morning to find 6″ of snow on the ground and I do have to say that I have never seen snow so deep and after the “look it’s snowing lets go out and play” feelings had worn off I started looking around and found out that today’s weather could be here to stay. For a few days at least

The Arctic Oscilation (AO) is a pattern of changes in sea level pressure in the Arctic and over the Azores. During positive fluctuations there is low pressure over the Arctic and high pressure over the Azores causing droughts in the Med, warmer than average temperatures over much of europe along with rain in northern parts of the UK and Scandanavia. Durring negative fluctuations however there is high pressure over the Arctic and Low pressure over the Azores bringning cold arctic air to northern europe, drier conditions to the UK and cold arctic air reaches southerly latitudes in the US & Canada.

Take a look at the graph below. This graph shows a 3 month moving average for the AO and you can see at the end of 2009 there is a large negative fluctuation.

This is then corroborated by what we are see. Heavy snow falls have blighted the UK for the best part of a month now. In new york, Washington and Phillidelphia places have been inundated with more than 2 foot of snow in places.

The thing is though no one knows how long it is going to last. From the sites that I have read to gather this information they recon that they snow could be here for anywhere between 1 week to 2 but looking at the BBC weather forcast simulation it shows that the country could start warming up again by the weekend.

In the mean time we’ll all just have fun in the snow.