 This is a test of the emergency alert system. If this had been an actual emergency, the attention signal you just heard would have been followed by official information, news, or instructions. Kellogg's serves the Sioux Falls area. This concludes our test of the emergency alert system. Why the helmet, Mark? You like helmets? I like Miracle Whip. Helmet. It's hail season, Evan. Hailstone can travel the earth between 9 and 72 miles an hour.