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Feb 13-14 snowstorm/nor’easter potential


George001
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Just now, 40/70 Benchmark said:

I wish one of the dogs would onto your keyboard

On mobile at work. Let's do this. Liking the structural changes in modeling today. Hope it continues until go time. Would make  part of this winter a winner if we can score another foot. Need about 15 to get to normal. Hate the thaws though. Had a beautiful 3/4 days of deep classic winter look. 

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Since 6Z only goes out to 90 hours. If you go out even further in the run the differences are even more dramatic Let's take a look at H5 and compare it to 00Z at 105 hours and 111 hours, 4pm Sunday and 10pm Sunday respectively. The 12Z run is significantly different than the last big run at 00Z and much more what you want to see for rapid east coast cyclogenesis running up the coast. We are still quite a way out for this potential event but the afternoon runs overall are trending in the right direction.

 

ecmwf_z500_vort_us_fh105_trend.thumb.gif.a884c533c09437c7cda18cc63c5bc83a.gif

ecmwf_z500_vort_us_fh111_trend.thumb.gif.b2af424fe649e9b17bb81b7665690c71.gif

The EPS is not a great look overall at this range we are going to want to see an improvement at 00Z. Very few members are hits. Heres the mean SLP/QPF and member SLP.

ecmwf-ensemble-avg-east-mslp_with_low_locs-4775200.thumb.png.c60ee0a159415dc2f86c8063ef02d9c6.pngecmwf-ensemble-avg-east-t850_mslp_prcp6hr-4775200.thumb.png.da43eae464b01fff780faa0bf8cac796.png

 

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