Wednesday, December 26, 2012

Storm Bianca-Euclid: Late Evening Update

Snow overspread the Berkshires between 7:00 and 8:15, which was right on schedule. Temps are down a little, so we might not see as much mixed precipitation as we originally thought. Despite the certainty from the models leading up to this storm, it still is a complex system with forecasters predicting anywhere from 3" to 12" for the Berks.

Some of that bifurcation we talked about could impact our area, which explains this wild-looking map:


We've been studying the radar and we think that this map is slightly off. The center of the storm appears to be more toward the west, which will bring the brunt of the moisture through the Berkshires. The slot of lower snow totals you see in the map above (to the west of the Berkshires) will move even more to the west, bringing the sliver of heavier snow more directly over the Berkshires.

What this means is that we at GSD think that we'll be on the high end of the predictions: more toward 6 and 7" in the South County and upwards of 10" in North County.

Because we didn't have much practice last season--and we've made more hurricane day predictions than snow day predictions this season--we are treating this storm as if it were a true snow day scenario in the home office of GSD. Our prediction would be a 95% chance of snow day tomorrow, with the bifurcation of the two surface lows the only thing holding us back from offering up the whole enchilada with a 100% guarantee.

We'll check in tomorrow morning with some early snow measurements. Enjoy the storm!

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