New Orleans to Seattle Turbulence Forecast

MSY → SEA · 2,083 miles · ~4h 40m

What to Expect

Your flight from New Orleans to Seattle crosses a wide variety of terrain, each with its own turbulence characteristics. Departing the Gulf Coast and Mississippi Valley, you might experience some convective turbulence, which is caused by rising warm air. As you enter Tornado Alley and the Great Plains, be prepared for the possibility of severe convective turbulence and clear-air turbulence (CAT) respectively, the latter often occurring without visual cues. Crossing the Front Range and then onward through the Central and Northern Rockies, as well as the Cascades, mountain wave turbulence is common; this is where wind interacts with the mountains. Finally, as you approach the Pacific Coast, you may encounter more clear-air turbulence (CAT). Keep in mind that pilots are trained to navigate these conditions, and turbulence is a normal part of flying, not a sign of danger. Each type of turbulence is well understood and constantly monitored.

Flights between New Orleans and Seattle pass along the Front Range, where the abrupt rise of the Colorado Rockies generates some of the strongest mountain wave turbulence in the continental U.S. Downdrafts east of the ridgeline can be intense, and rotor turbulence near the surface sometimes extends to cruising altitude during high-wind events.

Turbulence Factors on This Route

• Convective Turbulence: Warm Gulf moisture drives rapid thunderstorm development along the coast, creating intense updrafts and downdrafts.
• 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: Strong westerly winds over the Front Range create oscillating waves that can produce sustained moderate turbulence at jet cruise levels.

When Is This Route Bumpiest?

For the smoothest possible ride, consider flying this route in the winter or early spring, or even in the fall or early fall. During these times, the atmospheric conditions tend to be more stable. Summer and early summer bring increased convective activity over the Gulf Coast, Mississippi Valley, and Tornado Alley, making for potentially bumpier conditions. Late fall can also see some turbulence over the plains and Rockies, and early spring may see mountain wave turbulence as well. But knowing the seasonal patterns helps you anticipate and plan ahead.

Tips for This Flight

Opt for a morning flight, as the atmosphere tends to be calmer earlier in the day; you'll experience less convective turbulence, in particular. Any turbulence you do encounter on this route is most likely similar to driving on a bumpy road, or perhaps a small boat gently rocking on the water. For added comfort, choose a seat over the wing, as it's typically the most stable part of the plane, and remember to stay hydrated throughout the flight. By understanding what to expect, you can feel more prepared and relaxed, trusting in the experience of the flight crew.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.