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January 12-13th Cold Smoke Obs and Nowcast


Bob Chill
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2 minutes ago, knglover said:

I have lived in Montclair for 14 years. It is an awesome neighborhood.  Hoping that the overnight Namming is accurate for MBY. Currently 29/20 

It’s a great neighborhood. We moved here in 2016 in the summer so we really haven’t had decent snowstorm since we’ve been here. Some smallish events but nothing Warming level. Looking forward into it!

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1 minute ago, jayyy said:

6z Euro looks good. QPF bump  HRRR /SREF are juicy as well  ICON GFS Euro all agree on approaching warning snowfall, if not exceeding it.

Alright, time for a 12z NAM’ing!

NAM can’t be better than 6z was.  That was porn in HD

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Cannot show the graphic because it's in house only, but WPC Super Ensemble has around 6" mean for snow at DCA for the event, which is right in line with a lot of numerical model guidance. When you remove the 3 highest and lowest outliers, it's right at 6" still, so the prospects for warning level snowfall is above average for the DC metro. IAD is running a mean of around 6.3" which is still in line with WSW criteria. BWI is at 5", so right on the borderline of WSW criteria, but longevity of snowfall to achieve the amount will likely place BWI on the outside looking in for an initial WSW, but will likely maintain advisory and adjust up if necessary.

Other areas of interest and mean snowfall forecast are as followed:

OKV: 6.4"

MRB: 5.4"

FDK: 5"

HGR: 4.3"

APG: 3.7"

OPL: 7.3"

EZF: 7.4"

CHO: 7.2"

SHD: 8.2"

NHK: 6.3"

SBY: 4.1"

GED: 5.3"

 

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2 minutes ago, MillvilleWx said:

Cannot show the graphic because it's in house only, but WPC Super Ensemble has around 6" mean for snow at DCA for the event, which is right in line with a lot of numerical model guidance. When you remove the 3 highest and lowest outliers, it's right at 6" still, so the prospects for warning level snowfall is above average for the DC metro. IAD is running a mean of around 6.3" which is still in line with WSW criteria. BWI is at 5", so right on the borderline of WSW criteria, but longevity of snowfall to achieve the amount will likely place BWI on the outside looking in for an initial WSW, but will likely maintain advisory and adjust up if necessary.

Other areas of interest and mean snowfall forecast are as followed:

OKV: 6.4"

MRB: 5.4"

FDK: 5"

HGR: 4.3"

APG: 3.7"

OPL: 7.3"

EZF: 7.4"

CHO: 7.2"

SHD: 8.2"

NHK: 6.3"

SBY: 4.1"

GED: 5.3"

 

Tremendous stuff, thank you @MillvilleWx hope we get a nice storm when you are in town.

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