Tuesday, February 16, 2010
Boreal
I went snowboarding last Saturday at Boreal. When I woke up that morning and peeked out the window to see how the weather was, I noticed there was an overcast. There was almost entire cloud cover and I also noticed it was not too cold. I remembered in class that we had learned about albedo. Since the clouds are a lighter color, the percent of isolation is higher than if it were blacktop. Also because of the cloud cover, the temperature in Antelope was not extreme. In fact it was warmer than prior days where there was no cloud cover. On our drive to Boreal, I could see and feel the temperature drop on the digital thermometer in my car. The temperature fell from 60 to 24 degrees. This is due to the change in altitude as we traveled up the mountain. I literally recalled lapse rate on our drive there and explained to my dad the reason the temperature drops. I told him lapse rate the rate at which air cools as altitude increases. I felt like an annoying smarty pants. Another interesting event that I saw was when we pulled up to park in Boreal’s parking lot, many cars had their windshield wipers sticking straight up in the air to prevent any snowfall from freezing and locking the wipers in place. My dad copied the cars next to us and did the same.
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