ELLSWORTH AFB, S.D. -- With 93 percent humidity and chilling temperatures below 30 degrees Fahrenheit, Ellsworth Air Force Base, S.D., received about four inches of snow fall, Oct. 28. With the winter season fast approaching, Airmen are highly encouraged to drive safe and keep emergency supplies on hand. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)