Spring Thread 2017: Northern Hemisphere (snow, warm, temperatures, days)
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What?? Now I see why you're debating it.... Road??? blacktop??? Come on, you're comparing apples to oranges now. OF COURSE sun on road will melt if temps in 20s. I'm talking about a snowpack.. without pavement, salt or vehicle factors. (Grass where we do our measurements)
Jan 8th 4 inches of snow melted in 3 days.
March 14th 8 inches of snow taking over 7 days.
Guess why even though its middle of March and sun is higher, the temps were in the 40s and 50s January 10 & 11 and there was no sleet/ice layer involved.
March 15th 8.2"
March 16th 7.8". Guess why it didn't melt...IN SUN... Temps stayed in the 20s and there was a layer of sleet on top.
SUN IS NOT THE BIGGEST FACTOR. People need to stop saying that.
You're right but the sun is a factor if it can melt snow on blacktop even when below freezing or speed up the melting process when the temperature is above freezing.
The low was 64F here last night with light NE winds. 70F and partly cloudy now at 11:00 A.M with a dew point of 51F, the forecast high is 73F.
To date we're 0.3F above average for the month of March and will probably end up above average thanks to a extended period of warmer than normal temperatures forecast to begin late this week.
It Took 3 days to melt 4" in January. This spot gets full March sun and yet it took 7 days to melt 4". Gee, I wonder why. lol. Sun not a big factor. Still 4" left.
Now if you wanna talk about the composite of the pack and location differences elsewhere, lets do that. but to sit there and say the Sun is the reason, you are giving false information. Surface air temps matter more.
What?? Now I see why you're debating it.... Road??? blacktop??? Come on, you're comparing apples to oranges now. OF COURSE sun on road will melt if temps in 20s. I'm talking about a snowpack.. without pavement, salt or vehicle factors. (Grass where we do our measurements)
Jan 8th 4 inches of snow melted in 3 days.
March 14th 8 inches of snow taking over 7 days.
Guess why even though its middle of March and sun is higher, the temps were in the 40s and 50s January 10 & 11 and there was no sleet/ice layer involved.
March 15th 8.2"
March 16th 7.8". Guess why it didn't melt...IN SUN... Temps stayed in the 20s and there was a layer of sleet on top.
SUN IS NOT THE BIGGEST FACTOR. People need to stop saying that.
Cambium, you need to read what I said versus what you think I'm saying. Clearly, you missed the part where I said this (pay attention to the bolded part) :
Quote:
Originally Posted by antinimby
I know you got into a debate about this but I believe the sun does make a difference. Obviously temperature is most important but sun also plays a part.
I notice that even if it is below freezing, sometimes even in the mid-20's (° F) if there is a strong late morning to early afternoon sun, there will be some melting.
This is because, even though the ambient air temperature may be below freezing, the surface (road, sidewalk, car, roof, etc.) is warmer because of the sun.
In other words, there is no disagreement. Temperature is most important, obviously. What I am also telling you, which you seem to not accept, is that the sun does play a part, albeit smaller.
For example, let's keep temperature the constant and use the sun as the variable.
One is a cloudy day at a constant 30° F. Two is a bright sunny day also at a constant 30° F. Which do you think will have snow melt?
(Now, I am not saying it's going to melt fast or a lot but there will be melt.)
1pm. Bridgeport at 50! Warm outside, Blue in Sky. White on ground.
See all that white on the map? That's snow cover East of the Apps. Want proof?
Satellite loop as the sun comes up. The white areas aren't moving. That's snow cover.
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