This is because in the morning, the land below has not heated up yet - heat rising from the ground is what increases the chance of turbulence on flights.
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Turbulence intensity increases as convective updraft intensity increases. In weather conditions when thermal activity can be expected, many pilots prefer to fly in the early morning or in the evening when the thermal activity is not as severe.
While it may feel unnerving sitting on a bumpy flight traveling hundreds of miles per hour at thousands of feet in the air, there's no reason to panic or worry. Turbulence is unavoidable. It's experienced on almost every flight to some degree (usually light).
But if you still are more afraid of traveling on a plane than the ride in a taxi to the airport, here's something to ease your mind. If you want to avoid turbulence, book a flight in the morning.
And in a bid to curb pre-flight nerves, a number of aviation experts and travel pros have spoken out about the best time of day to fly. Many agree that the best time for nervous travelers to fly is in the morning as the conditions are generally calmer and there is less turbulence.
Yes, weather radar can help predict convective turbulence and clear air turbulence. Most commercial aircraft now pack weather radar – from the Airbus A321 to the Boeing 777.
A lot of the anxiety around turbulence comes from people assuming the worst and thinking that turbulence will cause their plane to crash. In reality, even the most severe turbulence almost never causes plane crashes.
Any plane can experience turbulence, but larger planes weigh more and don't feel the impact of wind changes as much as a smaller plane. Specifically, the Airbus A380 handles turbulence very well! The A380 is a large plane mainly used for international flights.
When an aircraft experiences turbulence, the plane can drop or change altitude suddenly. This is why pilots always caution passengers to buckle up and stay seated when they are experiencing flight turbulence. The sudden movements put passengers at risk.
From a practical point, no, a modern airliner will not lose a wing due to turbulence. Modern airlines are very tough and designed to withstand extreme turbulence. In theory, it might be possible. But to my knowledge, it has not happened to any jet airliner.
In addition, if flying over large areas of land, day-time temperatures can rapidly increase, creating convection air movement and thus turbulence, so travelling in the early morning before temperatures get high can avoid this turbulence.
Pilots know that flying safely in threatening turbulence requires slowing to VA, the maneuvering speed. This assures that the airplane will stall before its limit load factor can be exceeded. Such a stall is momentary and protects the structure against damaging loads.
“The smoothest place to sit is over the wings,” commercial pilot Patrick Smith, host of AskThePilot.com said. These seats are close to the plane's center of lift and gravity. “The roughest spot is usually the far aft. In the rearmost rows, closest to the tail, the knocking and swaying is more pronounced,” Smith added.
At flight cruising levels, only about 3% of the atmosphere has light turbulence, about 1% has moderate turbulence and a few tenths of a percent has severe turbulence at any given time, says Paul Williams, a professor of atmospheric science at the University of Reading who researches turbulence.
Sometimes it's unavoidable to fly through light and moderate turbulence, but rest assured your pilots are working to find smooth air. If they encounter severe or extreme turbulence not forecasted, pilots will quickly climb or descend to a safe and smooth altitude.”