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2-7-21 Sunday 8-12 hour nor'easter snowstorm roughly 5A-5P


wdrag
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51 minutes ago, donsutherland1 said:

It has been a very snowy period. It will be interesting to see how things stack up over a 2- or 3-week period, as there may be some additional snowfall opportunities.

I agree 100%  Need to think Feb 1-17 and max amount there. Also some science on snow loads if anyone has it. 

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3 hours ago, wdrag said:

By the 13th I do...  my guess is 3-6 for you Sunday, T-1" if snow Tuesday,, then next Thu possibly several inches, then ice Friday and end as snow early Sat. That latter uncertain on amounts of the ptypes.  Definitely safe mitigation considerations... no science on my part but based on your report, melt damming in gutters and where SAFELY-SAFELY possible, ease snow loads on roofs. Definitely not worth a broken leg, concussion or worse. There's another behind this the 16th-17th ish I think. All of this is modeling based. 

'

thanks. Nam12K at noon model run indicates 6+ now for us in Macungie.

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52 minutes ago, uncle W said:

its missing Jan 2016 

I just ran this using a CPK data set I pulled right before the new year.

Here's what I get as the periods in front of us we can pass

 

image.png.923ce26ff910da1b3b623556d2aae0ac.png

 

Interestingly, I also calculated 15 day totals and they are not much higher. Jan 6, 1948 is tops at 32.1

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2 minutes ago, hooralph said:

I just ran this using a CPK data set I pulled right before the new year.

Here's what I get as the periods in front of us we can pass

 

image.png.923ce26ff910da1b3b623556d2aae0ac.png

 

Interestingly, I also calculated 15 day totals and they are not much higher. Jan 6, 1948 is tops at 32.1

Here’s the top 10 on XMACIS:

Maximum 8-Day Total Snowfall 
for New York-Central Park Area, NY (ThreadEx)
Click column heading to sort ascending, click again to sort descending.
Rank
Value
Ending Date
Missing Days
Last value also occurred in one or more previous years.
Period of record: 1869-01-01 to 2021-02-05
1 29.2 1947-12-30 0
- 29.2 1947-12-29 0
- 29.2 1947-12-28 0
4 28.9 1947-12-27 0
5 28.6 1947-12-26 0
6 27.9 2016-01-24 0
- 27.9 2016-01-23 0
8 27.5 2016-01-29 0
- 27.5 2016-01-28 0
- 27.5 2016-01-27 0
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5 minutes ago, donsutherland1 said:

Here’s the top 10 on XMACIS:

Maximum 8-Day Total Snowfall 
for New York-Central Park Area, NY (ThreadEx)
Click column heading to sort ascending, click again to sort descending.
Rank
Value
Ending Date
Missing Days
Last value also occurred in one or more previous years.
Period of record: 1869-01-01 to 2021-02-05
1 29.2 1947-12-30 0
- 29.2 1947-12-29 0
- 29.2 1947-12-28 0
4 28.9 1947-12-27 0
5 28.6 1947-12-26 0
6 27.9 2016-01-24 0
- 27.9 2016-01-23 0
8 27.5 2016-01-29 0
- 27.5 2016-01-28 0
- 27.5 2016-01-27 0

I pulled out the unique maxes from the different periods since most all are driven by single storms.

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1 minute ago, HVSnowLover said:

It’s only 6 hours of precipitation and half of it SE of the city is not snow 

It’s more like 9 hours, and more like Suffolk County has the severe mixing issues verbatim on the RGEM for the first 2 hours

Once the heavier precip moves in it flips everyone at the coast to snow. Problem is there’s not a ton of heavy precip around at all on the RGEM. Ugly run for sure

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1 minute ago, weatherbear5 said:

It’s more like 9 hours, and more like Suffolk County has the severe mixing issues verbatim on the RGEM for the first 2 hours

Once the heavier precip moves in it flips everyone at the coast to snow. Problem is there’s not a ton of heavy precip around at all on the RGEM. Ugly run for sure

Less than .5 qpf for most 

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25 minutes ago, Brasiluvsnow said:

off topic and yes I could google but bear with me but help me out where the heck is Macungie ? In keeping with the thread love that the models are coming in moister this morning 

Macungie is approx. 5 or 6  miles Southwest of Allentown, Pa.  It's a small town, but it's actually where almost all Mack trucks are built.

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