Cleveland to Phoenix Turbulence Forecast

CLE → PHX · 1,734 miles · ~3h 58m

What to Expect

Flying west from Cleveland to Phoenix means traversing a wide variety of landscapes, and with them, different types of turbulence. Shortly after takeoff, you might encounter some Lake-Effect Turbulence as you cross the Great Lakes, which is caused by cold air moving over warmer waters. As you continue west over the Ohio and Mississippi Valleys, you could experience Frontal Turbulence, where different air masses collide, or Convective Turbulence, especially if there are thunderstorms brewing. Tornado Alley may present pockets of Severe Convective Turbulence. Further along over the Great Plains, Clear-Air Turbulence (CAT) can occur, which is often unexpected but generally not severe. Finally, approaching Phoenix, the Southern Rockies can generate Mountain Wave Turbulence, and the Mojave and Sonoran Deserts may have Thermal Turbulence due to rising warm air. Pilots are very familiar with these patterns and use sophisticated tools to navigate them, ensuring a safe and reasonably comfortable flight.

The Cleveland to Phoenix route passes over the Southern Rockies in New Mexico and southern Colorado. While somewhat lower than the peaks to the north, these mountains still produce notable mountain wave turbulence, particularly when strong southwesterly winds aloft align perpendicular to the ridgeline.

Turbulence Factors on This Route

• Lake-Effect Turbulence: The Great Lakes produce lake-effect convection and low-level wind shear from land-water temperature contrasts.
• Frontal Turbulence: The Ohio Valley is a preferred storm track where frontal boundaries and embedded convection create turbulence year-round.
• Clear-Air Turbulence (CAT): The jet stream frequently meanders over the Great Plains, producing wind shear and clear-air turbulence at cruising altitudes.
• Mountain Wave Turbulence: The Southern Rockies produce lee waves when southwesterly upper-level winds flow across the terrain.

When Is This Route Bumpiest?

If you're looking for the smoothest possible flight, aim for late summer, early fall, or winter. During these months, the atmospheric conditions tend to be more stable over much of the route. Be aware that lake-effect turbulence is worst during winter, and mountain wave turbulence can happen any time. Late fall, early winter, spring, early summer, late spring, late winter, and summer tend to be bumpier. During these times, the increased temperature differences can lead to stronger frontal systems and more convective activity, while the Rockies see more intense mountain wave effects.

Tips for This Flight

Booking a morning flight often leads to a smoother experience as the air tends to be calmer before the day heats up, reducing thermal and convective turbulence. Any bumps you encounter along this route are likely to feel like driving over a slightly bumpy road, or perhaps a brief, moderate jostling. For extra comfort, consider choosing a seat over the wing, as it's closest to the plane's center of gravity and experiences less motion. Staying well-hydrated can also help you feel more relaxed. Remember that the pilots are highly trained and monitoring the conditions, and the plane is designed to handle turbulence. You're in good hands.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.