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December 16-17, 2020 Storm Observations and Nowcast


wdrag
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There should be a few more periods of moderate to heavy snow/sleet move through, but on this side (east) of the mid-level lows the precipitation is moving through quickly.  You never know what could happen tomorrow morning, but we're not really in a great position with respect to the 700mb low progression.

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1 minute ago, JoshSnow said:

This storm is far from over as the low starts pivoting due east, the ratios will come back and CCB will kick in. We could get another 4-6 inches just from that. You guys give up too quick! watch the radar fill in the next hour or so! Any sleet you guys are getting will turn to snow

Agree... this was literally exactly as predicted; in fact the dry slot doesn't look nearly as bad as I thought it would!

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Wantage NJ 8 s of High Point NJ. Here we're at 740'MSL  845 PM 5.3" Blowing and drifting. small to moderately sized flakes, densely filling the air. 18F Next report around 4am I hope. Cleaned my deck and large spot in the driveway to remeasure at 4A. Took at least a dozen measurements to come up with this answer. 

 

On-line til ~10P.  

 

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Just now, JoshSnow said:

This storm is far from over as the low starts pivoting due east, the ratios will come back and CCB will kick in. We could get another 4-6 inches just from that. You guys give up too quick! watch the radar fill in the next hour or so! Any sleet you guys are getting will turn to snow

I haven't checked the guidance since yesterday, but from what was modeled previously this storm probably won't have a mature CCB since the mid-level lows aren't that strong and wrapped up.  The strongest lift near 700mb was forecast to swing through this evening and then lift north and northwestward.  The precipitation on the west side of the mid-level lows (already far NW) is likely to steadily decay is it swings eastward tomorrow.

I hope there are some positive surprises but I'm not optimistic about huge totals.  Regardless, this evening has already been fun!

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