Anchorage to Savannah Turbulence Forecast

ANC → SAV · 3,603 miles · ~7h 42m

What to Expect

Flying from Anchorage to Savannah means crossing a wide variety of landscapes, each with its own potential for bumps. Over the Great Plains and Upper Midwest, you might encounter clear-air turbulence, or CAT, which is caused by shifting air currents high in the atmosphere. As you move east, you'll pass over the Great Lakes, where lake-effect turbulence can occur, particularly when colder air moves over the warmer lake waters. Further along, the Mississippi and Ohio Valleys can bring convective turbulence, caused by rising warm air, and frontal turbulence, which results from colliding air masses. Finally, as you approach Savannah, the Southern Appalachians could create mechanical turbulence, which is when the wind is disrupted by the mountains. Rest assured, pilots are very familiar with these patterns and use sophisticated tools to navigate them safely.

Between Anchorage and Savannah, the route crosses the Great Plains, a vast, flat expanse where clear-air turbulence from jet stream undulations is the primary concern at cruise altitude. The lack of terrain features means mountain wave turbulence is absent, but the jet stream frequently meanders over this region, creating wind shear zones at flight levels.

Turbulence Factors on This Route

• Clear-Air Turbulence (CAT): The jet stream frequently meanders over the Great Plains, producing wind shear and clear-air turbulence at cruising altitudes.
• 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.
• Mechanical Turbulence: The Southern Appalachians produce terrain-induced chop, especially during strong wind events and summer convection over the ridgeline.

When Is This Route Bumpiest?

The smoothest rides on this Anchorage to Savannah route are usually found in the summer, early fall, and winter. During these months, the air tends to be more stable over much of the route. Winter, early spring, late fall, early winter, spring, early summer, and summer tend to be bumpier. The culprit during these times is often stronger temperature differences and more active weather systems, increasing the likelihood of convective turbulence over the Mississippi Valley, mechanical turbulence over the Appalachians, and lake-effect turbulence across the Great Lakes.

Tips for This Flight

For the calmest flight, consider booking a morning departure, as ground temperatures are cooler and less likely to cause afternoon convective turbulence. If you do experience turbulence, it will likely feel like driving on a slightly bumpy road or a boat gently rocking. To enhance your comfort, choose a seat over the wing, where motion is typically minimized, and remember to stay well-hydrated; dehydration can worsen any anxiety. Focusing on slow, deep breaths can also help you feel more relaxed. Know that the crew is well-prepared, and you will be in good hands.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.