Monday, February 18, 2013

Weather It Is (The Ups and Downs)

Good Evening:

My impression is that the weather was a bit chilly this morning.  It wasn't cold, but it was still chilly. Yet, we're under the influence of high pressure, and temperatures should moderate nicely upwards by the end of the week.

By the end of the week a storm will approach us and we'll have another bout of light to moderate rain, and temperatures will head down again, only to head up again on the tail end of the storm.

Looking at the GFS ensemble forecast, we don't see anything really interesting on the horizon.  But, looking at the GFS "deterministic" forecast shows high pressure moving into Central Europe and extremely cold air associated with a trough of low pressure pressing southward (very late February).  At the same time, a storm begins to move under (south of) the high, and one gets a hint that this system will merge with the northern trough.  These are the ingredients of a late winter (winter) storm that might impact our area very late February or early March.  If not, it might just be on to spring!

Barry Lynn

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