Posted by rrlund on February 14, 2011 at 09:56:48 from (204.232.93.24):
This has sparked debate between the anchors and weather people on the local news. There's been a lot of snow on the roofs around here. Yesterday,the temperature shot up to the upper 40s and the snow started melting real fast. A couple more roofs colapsed. The weather folks say that the cold dry snow we had only weighed 3 pounds per cubic foot,and the wet snow weighs 21 pounds per cubic foot. OK,I get that. BUT,it hasn't rained or snowed any additional. As the snow melts and becomes heavier,the cubic foot volumn decreases. So how did the snow loads on those roofs increase as it melted without any additional precipitation? Or did it increase? Was it just coincidence that those roofs colapsed?
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Today's Featured Article - Persistence Pays Off - by Sam Grice. About a year ago I was driving down Hwy 36 south of Houston and I saw an old John Deere H sitting in a field with the planters and cultivators still on it. It appeared that it hadn't run in some time, but I stopped and went to the farm house and asked if the tractor was for sale. The lady of the house who answered the door offered no answer, but said that she would talk to her husband and have him call me. I figured he was away at the time. Well I heard from him the next day, and he procee
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