Tucson to Lexington Turbulence Forecast

TUS → LEX · 1,538 miles · ~3h 35m

What to Expect

The Tucson to Lexington flight, heading northeast over 1538 miles, offers a real tour of American geography, and with that, a variety of potential turbulence. Initially, you'll cross the Mojave and Sonoran Deserts, where thermal turbulence from rising hot air is common, especially during the day. As you continue, expect possible mountain wave turbulence as you fly over the Southern Rockies. Clear-air turbulence (CAT) may occur over the Great Plains. Later, especially in warmer months, you might encounter severe convective turbulence in Tornado Alley, and convective turbulence again over the Ozark Plateau and Mississippi Valley. Finally, as you approach Lexington, frontal turbulence in the Ohio Valley and mechanical turbulence over the Southern Appalachians could add some bumps. Pilots are very familiar with these regional weather patterns and actively monitor and navigate to minimize discomfort, so know that they're prepared to handle these common conditions.

The Tucson to Lexington 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

• Thermal Turbulence: Extreme desert heating generates strong thermal updrafts that cause low-to-mid-level turbulence, especially in summer afternoons.
• Mountain Wave Turbulence: The Southern Rockies produce lee waves when southwesterly upper-level winds flow across the terrain.
• Clear-Air Turbulence (CAT): The jet stream frequently meanders over the Great Plains, producing wind shear and clear-air turbulence at cruising altitudes.
• Severe Convective Turbulence: Tornado Alley supercells produce some of the most intense convective turbulence in North American aviation.

When Is This Route Bumpiest?

The smoothest flights on this route are generally in the winter and fall. Summer can also be quite smooth, especially early fall. Spring is frequently the bumpiest, particularly early spring, due to increased convective activity and frontal systems moving across the country. Summer can also be bumpy, due to increased thermal activity in the deserts and stronger convective storms in Tornado Alley. Late winter also sees increased frontal systems. These seasonal shifts influence the intensity and frequency of turbulence associated with the various geographic features along the way.

Tips for This Flight

Opting for a morning flight tends to be the best bet on this route, as thermal and convective turbulence often intensify later in the day. Any turbulence you might experience will likely feel like driving on a road with potholes, from a gentle rumble to a more noticeable bump. To stay comfortable, consider choosing a seat over the wing, as this area of the plane experiences less motion; and remember to stay hydrated, as this helps your body manage any stress from the flight. Pilots are constantly monitoring conditions and will do everything they can to ensure a smooth and safe flight.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.