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Wintry 1/20 - 1/23 Winter Storm

It's a single operational run of a global model less than 30 hours out. It's like yesterday when the 18z NAM went out to sea and people were cancelling the event.

Forecasting is not using 1 model. It is looking at multiple models over a span of days and objectively seeking consistencies and formulating a guess. 1 Euro op run doesnt change the big picture of this event at all.
It doesn't. I don't think anyone is tossing the baby out with the Euro's bath water. But it's still a higher quality model than most others, and it doesn't do poorly close to events just because it's a global model. You'll find that most NWS offices use it up to the event taking place. I'm certainly not cancelling the event because of one run of the Euro. The point I was making is that it would have been better if it would have trended in the same direction with the rest of the models with its depiction of precipitation. It may mean nothing in the end, but that would have been better.
 
I don't understand the pessimism for some here. First off, this is an Eastern NC storm and IF you are lucky enough to see something to the West, that's a win.

h500 looks better across virtually all modeling. The precipitation field is expanding overall across all guidance.. forcing looks better, 700mb, etc. This is 24+ or so hours away on the back end for the Western areas (after 7am tomorrow) if you were to even get it...

Surface maps aren't gospel and me thinks the radar and nowcasts will show that .......
 
The HRRR going a little ham with this arctic front.....

View attachment 108795
I mean if the HRRR has a wheelhouse this is it, it has not wavered on the anafront precip and actually is doubling down. Seeing those early mPING reports are very promising as well
 
5C2E3373-F266-4BC9-BAA7-ADA3FCE99616.jpeg15z MMFS -
Freezing rain zone slightly expanded in southern area
Snow accums look about the same
Winter impacts still heaviest in NC, likely due to lower ground temps there.

I’ll fire up the 18z run as soon as that data is available.



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