Jeff Bartlett
EF0
Here are another couple of examples from the Feb. 10th Central Oklahoma event:
Greenage (Conditions leading To)
- Thread starter Dustin Wilcox
- Start date
Jason Foster
OK, now that you guys have posted photos, I see the shade you talking about (more of a blue-teal-green). Funny thing is, around here, it's typical, even with weak storms. I don't know if I associate that color with tornadoes or severe supercells.
I'm glad Chris posted the picture he did, because that is the shade/tint I was thinking of, more grassy or olive green, which is what I associate hail conditions with. I've never been able to photograph it, because the shade never seems to show up on the photos. It often is when I'm in a brighter area, under the rain free base, looking right into the core. It is exactly as Chris described, although I've never had it to that extent, but it's like a light green filter over the area. I also tend to notice the sun is typically directly behind the core. This is what lead me to think about the prism factor of hail versus rain. I figured the light scatter might be altered slightly since we all know hail looks different and filters light more than rain. I so think something (if not already) could be done in a lab situation to test this. I don't know the point of it really, but would be cool to test.
Add: One other thought, just on photos, is that sometimes it is rather easy to get the bluish hues. That's why I love to have a white balance on my camera equipment. It can be a real issue in snow shots sometimes.
I'm glad Chris posted the picture he did, because that is the shade/tint I was thinking of, more grassy or olive green, which is what I associate hail conditions with. I've never been able to photograph it, because the shade never seems to show up on the photos. It often is when I'm in a brighter area, under the rain free base, looking right into the core. It is exactly as Chris described, although I've never had it to that extent, but it's like a light green filter over the area. I also tend to notice the sun is typically directly behind the core. This is what lead me to think about the prism factor of hail versus rain. I figured the light scatter might be altered slightly since we all know hail looks different and filters light more than rain. I so think something (if not already) could be done in a lab situation to test this. I don't know the point of it really, but would be cool to test.
Add: One other thought, just on photos, is that sometimes it is rather easy to get the bluish hues. That's why I love to have a white balance on my camera equipment. It can be a real issue in snow shots sometimes.
Sam Barricklow
EF1
"Greenage"
The blue-green part of the visible light spectrum is "conducted" by the precipitation column, while other colors are more effectively scattered. It's the same reason the military uses blue-green lasers to communicate with subs. Big storms, with tall updrafts, cast darker shadows, allowing the blue-green color to become more easily seen.
The blue-green part of the visible light spectrum is "conducted" by the precipitation column, while other colors are more effectively scattered. It's the same reason the military uses blue-green lasers to communicate with subs. Big storms, with tall updrafts, cast darker shadows, allowing the blue-green color to become more easily seen.
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