February 2007 North American blizzard Due to the three-dimensional nature of the atmosphere, warm air was poised to overtake the cold air closer to the ground, causing precipitation to melt, then refreeze as either sleet or freezing rain. As temperatures hovered around freezing on the southern edge of the storm track, light snow accompanied freezing rain and sleet. The freezing rain coated all surfaces with thick layers of ice, including power lines and tree limbs which break under the additional weight. Some locations in the Mid-Atlantic received several inches of sleet. Four inches (100 mm) of sleet caused travel difficulties and hampered cleanup efforts in
David Sleet lower the legal blood alcohol content (BAC) limit to 0.08 percent for drivers in the United States. This recommendation helped inform the U.S. Congress which mandated states adopt the stricter BAC limit of 0.08 percent by October 2003 or risk losing a portion of their highway funding. By 2004 all 50 states had passed 0.08 percent laws for drivers, making it the new national standard. Dr. Sleet has received numerous public health awards including the following: He has served on the following editorial boards: David Sleet David A. Sleet is an American scientist recognized for championing the application of behavioral