A) Top Surface Melting is most strongly driven by warm wind. A 24 hour, 50 degree thaw with winds in the 20-30 mph range can melt a couple inches or more of ice. Holes of several types and sizes are also common after a windy thaw. Heavy rain over 24 hours with only moderate wind will result in about an inch of ice loss. Most of that is from the warm air.
There are 140 calories in a 4 cups popped serving of Pop Secret Movie Theater Butter Popcorn. Calorie breakdown: 63% fat, 33% carbs, 5% protein.
Another surprising fact is that popcorn, though frequently cited as a healthy snack, can get rather unhealthy rather quicky. For instance with Pop Secret brand, just 2 tablespoons of unpopped popcorn can be 170 calories. Even organic popcorn brands like Whole Food's 365 contains 140 calories per 2 tablespoons unpopped popcorn. What is even more frightening is the sodium content, which can get as high as high as 370 milligrams in brands like Act II.