Monday, January 17, 2011

Snow on the way...


But it's not going to be anything like the storm on January 9th. In that case the cold air was already solidly in place before the precipitation started. On Thursday, precipitation will start as rain as a weak area of low pressure passes to our South. An arctic cold front will approach form the North and bring in air cold enough for a changeover to snow by late in the day. However, the low pressure system will already be moving away at that time and the snow will quickly shift away from Arkansas. This will limit any snowfall accumulations to generally an inch or less across Central Arkansas. An important difference to note between this snow and the last one is that temperatures will be ABOVE freezing when the snow starts, so the road conditions will not deteriorate so quickly as they did on the 9th.
Above is our computer model output for snowfall accumulations on Thursday. Note it shows only 0.1" for Little Rock, which wouldn't even be enough to cover the ground.

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