“People were dying and we didn’t know why,” Cornman told me. “We didn’t understand the physics of why the planes were crashing.” The deadly gusts were thought to be blowing in from the ocean or from thunderstorms outside the airports. But the danger turned out to be right above them. In the late seventies, researchers at NCAR and the University of Chicago discovered that the crashes were caused by microbursts—sudden, violent downdrafts. In a microburst, a storm cloud dumps cool air and rain straight down, like water from a broken awning. The air spreads horizontally after it lands, so the pilot thinks he’s flying into a headwind at first. He lifts the plane’s nose slightly and decreases the engines’ thrust. Then the downdraft hits, followed by a vicious tailwind, sending the aircraft to the ground.
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Cosa Nostra leader, who controlled most of eastern Sicily, dies while serving multiple life sentences for murder，这一点在wps下载中也有详细论述
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The first fixture of its kind in the English women’s top divisions, the playoff will be held on Saturday 23 May with a 12.30pm kick-off and will pit the team third in WSL 2 against the WSL’s bottom side. The match will be broadcast live on BBC Two and Sky Sports.