Turbulence isn’t that scary – what is it and how does it work?

🕗 4 minutes | March 22, 2024 | Text Mateusz Łapuć

Experiencing turbulence during a flight? No need to worry! If you've ever been on a plane, you've likely felt vibrations and slight jolts mid-flight. Perhaps the seatbelt sign lit up, and you noticed the wing moving slightly? This was most likely air turbulence, a phenomenon that can be compared to driving on a bumpy road. While turbulence might feel unsettling, there’s no reason for concern. But what exactly is turbulence, and why does it happen?

✅ In this article, you’ll learn:

  • What turbulence is and its different types.
  • Whether turbulence is dangerous.
  • What causes turbulence.
  • If turbulence can be avoided.
  • Why aircraft maintain separation distances.
  • Whether turbulence can occur on a clear, sunny day.
  • Which parts of the world experience the most turbulence.
  • What to do when you encounter turbulence.

What is turbulence in an airplane?

To understand why turbulence is nothing to fear, let’s start with the definition.

Turbulence refers to irregular air movements around an aircraft. During a flight, a plane can enter air pockets where wind speed, temperature, and direction change rapidly. These fluctuations cause the familiar shaking sensation—which is simply air turbulence.

Additionally, depending on the altitude and speed, different weather anomalies may arise, which we’ll explore further in this article.

Wing of airplane above clouds on sunny day

What causes turbulence?

Several factors contribute to turbulence:

🔹 Convective Currents

  • Caused by heated air rising from the Earth's surface.
  • Sun-warmed air becomes lighter and ascends, leading to turbulence.

🔹 Air Masses and Atmospheric Fronts

  • Changes in wind speed, temperature, and air density cause turbulence.

🔹 Geographic Features and Physical Barriers

  • Coastlines, mountains, hills, and forests disrupt airflow, creating turbulence.

Can pilots avoid turbulence?

Before a flight, pilots receive detailed weather reports outlining potential turbulence zones. While turbulence poses no risk to the aircraft, pilots adjust altitude, speed, or route to minimize discomfort, especially in areas of expected strong turbulence.

Landing at Nice Airport - view of the engine, wing and island under the plane and the blue sea

Where in the world is turbulence most common?

Turbulence can occur anywhere, but some regions experience it more frequently due to atmospheric conditions, convective air currents, and terrain features.

🌍 Most turbulence-prone areas:

  • Indian, Pacific, and Atlantic Oceans (rapid air current shifts).
  • Mountain ranges (Alps, Andes, Himalayas).

Types of turbulence

Turbulence comes in different forms, each with unique causes. Understanding these categories will help explain why turbulence can occur even on seemingly calm days.

Thermal turbulence

  • Directly related to convective currents (vertical air movement).
  • Sun-heated air rises into cooler, denser air, causing turbulence and cumulus clouds.
  • Mechanical turbulence

  • Occurs when air flows over rough terrain (e.g., mountains).
  • Wind colliding with obstacles creates air eddies, increasing turbulence.
  • The stronger the wind, the greater the turbulence.
  • Airplane wing, clouds and orange sky during landing in Amsterdam

    Clear Air Turbulence (CAT)

  • Happens at high altitudes, often near jet streams.
  • Can occur without any visible clouds, catching passengers off guard.
  • Often linked to wind shear—a sudden change in wind speed or direction.
  • Wake turbulence

  • Generated behind an aircraft due to air disturbances.
  • Larger aircraft create stronger wake turbulence, affecting nearby planes.
  • Air traffic controllers manage separation times during takeoff and landing to avoid it.
  • Embraer 175 wing with Star Alliance logo on the winglet

    Cloud turbulence

  • Linked to cumulonimbus (storm) clouds, known for strong vertical air currents.
  • These clouds also bring icing and precipitation, making them a priority to avoid.
  • Frontal turbulence

  • Occurs where warm and cold air masses meet.
  • This friction creates turbulence, frequently encountered in commercial flights.
  • Cumulonimbus storm cloud from the deck of an airplane at sunset

    Is turbulence dangerous?

    Flight safety is a top priority for airlines worldwide. Despite turbulence feeling uncomfortable, there are established procedures and technologies to mitigate its effects.

    There’s absolutely no reason to worry. Turbulence is a completely normal and unavoidable aspect of flying. It’s similar to driving on a bumpy road—it’s not dangerous. Pilots are trained to avoid the strongest turbulence zones, and modern aircraft are built to handle these conditions. It's always a good idea to keep your seatbelt fastened, just in case of unexpected turbulence. Hopefully, after reading this, turbulence won’t seem scary any more!”

    Mateusz Łapuć, pilot trainee

    People on the plane and flight attendant, what is turbulence

    What to do during turbulence?

    If turbulence occurs during your flight:
    Keep your seatbelt fastened.
    Remain calm—turbulence is a routine part of flying.
    Trust your pilots and cabin crew, who are trained to manage these situations.
    Remember that modern aircraft have stabilization technology to counteract turbulence.

    Conclusion

    As you've learned, turbulence is a natural part of flying and happens every day in aviation. The next time your plane encounters turbulence, remember:
    💡 It’s completely normal.
    💡 It doesn’t pose a threat to the aircraft.
    💡 Pilots and flight crews are fully prepared for it.

    With more flight experience, turbulence will feel like second nature—just another part of the journey!

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