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Misc 2020/21 Fall and Winter Whamby Thread

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That March 2009 map is wrong.

I didn't see one flake of snow from that storm.

In fact, I'm pretty sure it overdid it in at least my county (flakes did fly west of me, but I'm pretty sure there was no accumulation anywhere) and at least up to Evans north of me (I vaguely remember my grandma talking about seeing a little snow involving this, but she also saw no accumulation).

13 year old me hated that system.

2010 ended up making up for it in a big way though.
 
GeorgiaGirl said:
That March 2009 map is wrong.

I didn't see one flake of snow from that storm.

In fact, I'm pretty sure it overdid it in at least my county (flakes did fly west of me, but I'm pretty sure there was no accumulation anywhere) and at least up to Evans north of me (I vaguely remember my grandma talking about seeing a little snow involving this, but she also saw no accumulation).

13 year old me hated that system.

2010 ended up making up for it in a big way though.
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Yeah, the 25° ERA5 snow totals are really bad for specifics. I would plot the more high resolution one if I had the time.
 
March 2009 was a great storm IMBY in Greensboro. One of my favorites. My first big storm since joining the weather forums, too. It was a beautiful heavy, wet snow. We had advantageous timing with that one unlike our friends further S/W since it rolled in after dark and we got all our snow in during the overnight hours without the March sun angle and marginal surface temps fouling things up (like happened in parts of GA). Of course, it being March, it melted fast, but you can’t win ‘em all.

C520E6C4-1AC3-41FC-8AAA-4963EF8DDFB8.jpeg
 
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Ollie Williams said:
Yeah, the 25° ERA5 snow totals are really bad for specifics. I would plot the more high resolution one if I had the time.
Click to expand...

That storm was also kind of deceptive in GA since it fell during the day there with above freezing BL temps, and so the total snowfall was often significantly higher than the maximum snow depth. You had the trifecta of harsh sun angle, warm BL temps, and fairly warm soil temps in GA, only salvaged by the heavy rates. In NC it came in after dark and BL temps were near to slightly below freezing for most of the storm, so that helped accumulations a lot more up here.

There were still parts of GA that made out well with it, but that really killed accumulations in the ATL metro since I recall the rates being more spotty there, and so accumulations were severely limited by the aforementioned factors.
 
superjames1992 said:
That storm was also kind of deceptive in GA since it fell during the day there with above freezing BL temps, and so the total snowfall was often significantly higher than the maximum snow depth. You had the trifecta of harsh sun angle, warm BL temps, and fairly warm soil temps in GA, only salvaged by the heavy rates. In NC it came in after dark and BL temps were near to slightly below freezing for most of the storm, so that helped accumulations a lot more up here.

There were still parts of GA that made out well with it, but that really killed accumulations in the ATL metro since I recall the rates being more spotty there, and so accumulations were severely limited by the aforementioned factors.
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Yeah it feel during the day in West Georgia. I remember the ground would get covered with a heavy burst of snow hit, and then it would melt a lot until the next burst of snow. I'm sure 2 or 3" accumulated in total, but it was never that deep at any time. Maybe 1/2" or so was the most I measured.
 
superjames1992 said:
March 2009 was a great storm IMBY in Greensboro. One of my favorites. My first big storm since joining the weather forums, too. It was a beautiful heavy, wet snow. We had advantageous timing with that one unlike our friends further S/W since it rolled in after dark and we got all our snow in during the overnight hours without the March sun angle and marginal surface temps fouling things up (like happened in parts of GA). Of course, it being March, it melted fast, but you can’t win ‘em all.

View attachment 55293
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Great storm in Simpsonville SC as well! It turned to snow at about 3pm, we picked up 7-8” of cement! It was great!
 
These March 2009 snowfall total maps are way off for Atlanta. KATL (airport) measured 4.2 inches. I remember this because it was apparently the most snow measured since January 2-3, 2002 when they got 5 inches. Personally this is one of my top 5 winterstorms of all time. It was probably the fastest transition I've ever seen going from rain to sleet to snow. It literally happened within less than 10 minutes. It's also the first and only storm I witnessed thundersnow. I was alive during the Superstorm 93' event but too young I was only 4 months old. Edit: The PDF attached shows the snowfall total documented for March 1, 2009.
 

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