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Hybrid frisbee storm - December 31-January 2


snowstormcanuck

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The 6z GFS seems to bring us some light snows on Thursday. With the cold temperatures, won't the ratios be good to maybe give us 2-4"?

 

Cold temps don't automatically equal good ratios. You need strong dynamics and a deep dendritic growth zone. From my experience when we get fringed and it's very cold, the snow tends to be of a very fine, sandy quality. Sometimes as inefficient as 10:1 ratios.

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Actual QPF for YYZ may not improve that much but some good signs to be taken. If the other 12z models come in with a slower and stronger ul trough like the 12z NAM did, there's a chance to salvage this storm. 

If that Vort max does not dip south of TN then we have a chance.  Right now the models just dip that thing a bit to far south.  The better model runs a few days ago (for the our areas) had the Vort Max going north of Memphis to Nashville (lifting a bit by Nashville). 

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snow being reported in Cedar Rapids....is this a little early?  not extrapolating/implying anything from it....just wondering

 

 

seems like the trend with the fgen snows has been quicker but i'm not sure. Band shouldn't starting getting more organized for a while though.

 

nice to hear about the GGEM, baby step in the right direction?

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RGEM has a 1011 low into southeast OH at 48 hours...and that's that. We'll have to see when the color total QPF become available, but it seemed like a better run for N IL, S WI, N IN, N OH, and S MI.

 

 

just nice to hear we've stopped the bleeding from some of yesterday's 12z runs. The floor for this one still looks like my best event since 2011.

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