Savannah to Seattle Turbulence Forecast

SAV → SEA · 2,390 miles · ~5h 17m

What to Expect

Your flight from Savannah (SAV) to Seattle (SEA) covers a lot of ground, and you'll be crossing several different weather zones. Expect some bumps as you fly northwest, beginning with potential convective turbulence over the Southeast Interior and mechanical turbulence as you pass over the Southern Appalachians. The Ohio Valley might bring frontal turbulence, followed by more convective turbulence over the Mississippi Valley, and potentially severe convective turbulence over Tornado Alley. As you approach the Great Plains, anticipate the possibility of clear-air turbulence (CAT), followed by mountain wave turbulence over the Northern Rockies and Cascades, before a final dose of clear-air turbulence (CAT) near the Pacific Coast. Pilots are very familiar with these patterns; they monitor and navigate around them constantly, making adjustments to ensure a safe and as comfortable a flight as possible.

The Savannah to Seattle route crosses the Northern Rockies, a rugged expanse of high peaks in Montana, Idaho, and Wyoming. Mountain wave turbulence is frequent here, especially when Pacific storm systems push strong winds over the Continental Divide. Pilots often report moderate chop between 30,000 and 40,000 feet over this region.

Turbulence Factors on This Route

• Convective Turbulence: The warm, humid Southeast interior supports frequent thunderstorm development, particularly during afternoon hours.
• Mechanical Turbulence: The Southern Appalachians produce terrain-induced chop, especially during strong wind events and summer convection over the ridgeline.
• 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.

When Is This Route Bumpiest?

For the smoothest possible ride, consider flying this route in the late fall, winter, or fall. These seasons generally experience less convective activity and fewer strong fronts. Summer, early summer, spring, early spring, late fall, and fall can be bumpier, especially from convective turbulence caused by afternoon thunderstorms over the Southeast Interior, Mississippi Valley, and Tornado Alley, or from mountain wave turbulence over the Rockies and Cascades when winds are stronger.

Tips for This Flight

If you're concerned about turbulence, booking a morning flight can often lead to a smoother experience, as the atmosphere tends to be more stable before afternoon heating kicks in. Any turbulence you might encounter on this route will likely feel like driving over a slightly bumpy road, nothing more. To help stay relaxed, choose a seat over the wing, where motion is typically minimized, and remember to stay well-hydrated throughout your journey. With preparation and a positive mindset, you can handle this flight with confidence.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.