Monday, May 9, 2011

The Week Ahead

It's beginning to feel a lot like summertime. Look for this to continue for a few more days. Highs will generally stay in the 80's, perhaps 87-88 degrees on a couple of those days.

Models seem to indicate rain chances here by tomorrow morning lasting for a little bit. This will be along the edge of a building ridge that will park itself over the region for a few days. Look for those summertime readings until a sharp cold front advances east.

Once the front moves in by no later than Friday, precip chances may tend to linger and temps will be noticeably cooler. Highs may struggle to reach the mid 60's. Some indications are pointing toward a series of disturbances moving down from the northwest  thanks to a nearly cutoff low in the Great Lakes region. This will keep us in a cool fetch with numerous shower chances.

That's what Spring is all about this time of year, trying to make that transition to warmer air. Since the PNA will be going positive, that will allow the cooler air to flow down from the northwest while impressive ridging builds in the west. The NAO is somewhat negative but is forecast to be nearly neutral by the end of the week. Still, the cooler air will be with us and may be with us for a few days for this upcoming weekend and the first part of next week.

MS

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