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Central PA - Winter 2020/2021 Part 2


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20 minutes ago, paweather said:

12z NAM just keeps filling back in.

 

Go to the NE region view and start at hour 4 by going forward one panel at a time.  There are what appears to be 6 slp's that come up the coast over the next 24-36 hours.  Like a clown car.  Really gets lower MD with heavy snow tomorrow evening. 

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I just woke up after a long day/night yesterday and am kind of "out of it". What can I expect up here in Schuylkill? At first glance, while it's snowing, albeit with small flakes) it just looks like it'll probably just shut off up this way by noon or 1pm. I was really thinking I might get a "snow day", but if it stops by the time my shift starts, I'll definitely be expected to srive tonight.

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If one looks at 12z NAM, you can see a warm layer "trapped" and thats why the sleet is likely happening.  Good news is that as coastal takes shape, that layer quickly gets scoured out and column cools, so IMO sleet may be around but I think by afternoon, its back to a snow event (this is based of NAM which does pretty well wrt temp profiles).

 

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2 minutes ago, pasnownut said:

If one looks at 12z NAM, you can see a warm layer "trapped" and thats why the sleet is likely happening.  Good news is that as coastal takes shape, that layer quickly gets scoured out and column cools, so IMO sleet may be around but I think by afternoon, its back to a snow event (this is based of NAM which does pretty well wrt temp profiles).

 

Your right and as I said OBS in VA that turned to sleet some are already back to SN. 

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4 minutes ago, FHS said:

Coronal hole faces Earth

Thursday, 18 February 2021 - 13:19 UTC

Coronal hole faces Earth

It's that time of the solar cycle again where coronal holes become more apparent at lower latitudes! Less than a week ago we already had a similar coronal hole facing our planet. The solar wind stream from that coronal hole caused active geomagnetic conditions on Tuesday. Right now we have yet another northward extension of the southern hemisphere polar coronal hole facing our planet today.

Does this mean this is the last day on Earth? I just want to know so I can have my favorite meal and drink before it. :D

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Morning all.  Just caught up on the 119 messages that were waiting for me.

In Carlisle it is 24.4 degrees with moderate fine snow falling.  I've had periods of larger flakes to the point where it was briefly heavy.  Not sure when it started but I'm up to 1.7" of snow as of 9:20am.  No sleet.  Wonder how far north that line goes?

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1 minute ago, CarlislePaWx said:

Morning all.  Just caught up on the 119 messages that were waiting for me.

In Carlisle it is 24.4 degrees with moderate fine snow falling.  I've had periods of larger flakes to the point where it was briefly heavy.  Not sure when it started but I'm up to 1.7" of snow as of 9:20am.  No sleet.  Wonder how far north that line goes?

Good morning! I don't think there's a traditional mix line with this event - I have sleet mixing in now, but there are reports of snow (mostly sleet, but some are snowing) well to my south across MD and VA. Some of it might be intensity driven, but it's not all of it. I think nut had a good explanation earlier. 

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