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Wintry February 19-21, 2020 Winter Storm

Here are some soundings3C90258A-1BE3-4225-821E-6A6FA27021A6.pngAB42949D-B265-4EBC-8496-423F11E70A0C.pngeven has soundings supportive of wet heavy snow that far south 8F09A61F-C746-423D-B1A1-3DAA99490EAE.png
 
But it is not the almighty Euro. Plus, the Euro is still the most conservative solution, so we have to go with that one and not even present other possibilities and trends from the rest of the models. .

Correct. We need the Euro on board, soon.
 
Curious how the NAM’s setup is going to play into this? I’m assuming the GFS is underestimating low level FGEN/WAA. That could potentially increase precip early on before the system transfers leading to much higher totals.
 
GFS is so close for my backyard at hour 69 ? . This is during heavy precip too.

2020021800_GFS_069_33.75,-83.88_severe_ml.png
 
NAM is doing much better than usual. Going to review it more when winter is over and weigh it more possibly. I think the euro is gonna come to the party soon with the gfs being late esp on thermals.
 
Those in the upstate don’t worry about what the surface says. The soundings support snow from the beginning and never get above 37-38 degrees which is likely 2-4 degrees too warm at the surface. The column supports snow all the way. That would likely have been a 3-6 incher all across the upstate East towards Charlotte and I95.
 
NAM is doing much better than usual. Going to review it more when winter is over and weigh it more possibly. I think the euro is gonna come to the party soon with the gfs being late esp on thermals.

The 60 hour 3KM NAM was already running 1-2 degrees lower @ 850 than the 12KM, so tomorrow should be a good time as everything comes into range for it.
 
GFS is so close for my backyard at hour 69 ? . This is during heavy precip too.

2020021800_GFS_069_33.75,-83.88_severe_ml.png
I have a feeling metro ATL will see some decent snow at least on the back end. I’ve seen this type set up many a times and it always trends better. We still have three days to get this on our side, plenty of time. I bet by this time tomorrow the NAM will have thrown us a bone.
 
I wonder with all the precip we have had in NC since November which model has done the best with getting the amount of precip here correct with the systems that have been through.
 
Safe to say some folks gonna end up on the plus side of 6 inches with this event. Gotta keep your sounding isothermal throughout while you smell the rain and hit/exceed climo.
I've thought for a while that the area that can overlap the initial shot of moisture and the late coastal/upper level enhancement had a shot at 6+. I'd really like to see the euro/uk on board now
 
You might end up right under one of those deform bands and just north of the mixing zone. Definitely in a better spot than Dec 2018.


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Yeah if there's a setup that favors cold rain, kylo, and myself its something like this

Edit..errr rain cold
 
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