![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8OVjt4TohnJnXo3DJ0LO4d_ggOCmrfTKUK_3XTWLamVCly7UNvEShdypTp2zAAZb2yYvJtKuZquW1OyT-3nsgDyR-Ik-YRS46tGojxTXqCO2cu29NS9I2ya7nfdq51At46IHWhWmQDg/s280/cool+clouds.jpg)
Thursday, December 18, 2008
Nacreous Clouds
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8OVjt4TohnJnXo3DJ0LO4d_ggOCmrfTKUK_3XTWLamVCly7UNvEShdypTp2zAAZb2yYvJtKuZquW1OyT-3nsgDyR-Ik-YRS46tGojxTXqCO2cu29NS9I2ya7nfdq51At46IHWhWmQDg/s280/cool+clouds.jpg)
Sunday, December 7, 2008
Graphic Source and Wind Chill
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilnnCgnMj7Hfy61Wy7SZWPNP_ldXXyRlLcgAy4P2t3kIT82thFNyNaKkAHeez6OpYY4X8TSpqjMtbCWUAmyw2s8JJ6n9z-VNbHZ454i-g1S86hkIvcLtu9f8DMg-5Lh0W3mRAM3kb-PA/s280/windchill.gif)
Here is a graphic source that helps us tell what the wind chill is. What is wind chill? Wind chill is the apparent temperature felt on exposed skin, which is a function of the air temperature and wind speed. The wind chill temperature (often popularly called the wind chill factor) is always lower than the air temperature.