Weather

Oct 23, 2012 4:43 PM by Rob Perillo

Coolest of the Season This weekend

A dome of high pressure over the Yukon is expected to surge southeastward over 4-5 days delivering the chilliest temperatures of the fall season to Acadiana this weekend.

Meanwhile all East Coast eyes will be on Tropical Storm Sandy as the interaction of this storm with the the large dome of high pressure could create "Perfect Storm" conditions in the North Atlantic and perhaps portions of New England.

The two systems in tandem should draw the coolest temperatures southeastward towrd the Gulf States and eventually US East Coast.

For Acadiana this means that a front, possibly producing a few showers, will approach late Friday.

Temperatures this weekend will drop into the upper 60s to near 70 while overnight lows will likely drop into the mid-40s. Computer models are even indicating there may be some readings in the mid-upper 30s across Northern Louisiana (Shreveport and Monroe) by Sunday morning.

Sandy will be the weather headline-maker this week and into the weekend even if the storm generally stays offshore and remains a tropical storm. Snady will have a very large circulation and the interactions with the polar jet-stream could give it large hurricane characteristics similar to that of the "Perfect Storm"/Hurricane Grace of 1991.

Conditions for portions of Long Island and New England will be at the very least windy with large surf and significant beach erosion possible.

Saturday Surface Features Forecast:

Sunday Morning Computer Forecast Temperatures:

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