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Misc Winter Whamby 2020, a New Decade

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NoSnowATL said:
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Happy to have been able to use my new snow shovel this year!


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So you found video of @Jimmy Hypocracy 4 bourbons deep without his thinking cap on? Cool
 
Snowless & Grumpy said:
Wow! Must be true then! GSO must have just been unlucky. GSP had 3.8 in Jan 91. Only a trace in 91-92 so I don't count that. Panovich counts a trace as measurable snow in CLT.
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Even CAE had 0.4 in 90/91 and 0.8 in 91/92! So it seems to have been a stretch of bad luck for Greensboro. But we definitely have a board wide shutout going now for almost 14 months and counting!
 
WxWatch said:
What happens when a short wave trough phases with a long wave trough? The storm system will become stronger right?
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It depends, if it can phase at the right time, then it can get stronger. However, if the tilt is messed up, the wave moves along it too quickly and shears up.
 
Ollie Williams said:
It depends, if it can phase at the right time, then it can get stronger. However, if the tilt is messed up, the wave moves along it too quickly and shears up.
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During the winter, will a phase with a short wave and a long wave trough have implications with temps? surface and upper air? What I'm trying to ask is, will cold air advection happen at a greater rate with a phase?
 
SD said:
Didn't Raleigh just have 2 normal to above normal snowfall winters?
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It only takes one storm and that Dec 2018 was a mess with rain on top of snow which is not normal for this area. It’s usually snow to sleet or freezing drizzle as the dgz loses saturation. We haven’t got anything frozen or freezing in a long time which is very unusual. It’s like all or nothing nowadays. We can have super cold air aloft and be sitting in the 40s with cold rain. It also doesn’t get as cold at night either.


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WxWatch said:
During the winter, will a phase with a short wave and a long wave trough have implications with temps? surface and upper air? What I'm trying to ask is, will cold air advection happen at a greater rate with a phase?
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It really depends on the source of the phase. We need a good source from the northern stream. CAA essentially is by definition cold air moving into a warmer area. By phasing you get cold air being pulled into a suppressed system. If you remember, last December we saw rain from that huge ULL, that was because of the lack of N/S energy. The only real exception to that would be is if the low was so strong, and had a lot of lift in the atmosphere, the ULL could try to propagate cold air down to the surface, but that's not easy to do.
 
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