Philadelphia to Bentonville Turbulence Forecast

PHL → XNA · 1,064 miles · ~2h 38m

What to Expect

Your flight from Philadelphia (PHL) to Bentonville (XNA) is approximately 1064 miles heading west, and it's a route that crosses a variety of terrains known for specific types of turbulence. Initially, you might experience some mechanical turbulence as you fly over the Northern Appalachians; this is simply air bumping against the mountains. Later, over the Atlantic Seaboard, you could encounter clear-air turbulence (CAT), which is often invisible but anticipated. As you move inland over the Ohio Valley, there's potential for frontal turbulence related to weather fronts. Mechanical turbulence may occur again over the Southern Appalachians. Over the Mississippi Valley and Ozark Plateau, keep in mind that convective turbulence, caused by rising warm air, is common. Finally, as you approach Bentonville, the flight path nears Tornado Alley, where severe convective turbulence can occur, especially during certain times of the year. Pilots are very familiar with these patterns and use weather forecasting to navigate them safely.

Between Philadelphia and Bentonville, the route crosses the Northern Appalachians from Pennsylvania through New England. While lower than western ranges, the Appalachians still produce mechanical turbulence and low-level wind shear, particularly when strong northwest winds follow cold frontal passages. Flights below 20,000 feet feel this most acutely.

Turbulence Factors on This Route

• Mechanical Turbulence: The Northern Appalachians generate low-level mechanical turbulence during strong post-frontal northwest winds.
• Clear-Air Turbulence (CAT): The Atlantic coast jet stream and land-sea temperature contrasts create frequent clear-air turbulence at cruising altitude.
• Frontal Turbulence: The Ohio Valley is a preferred storm track where frontal boundaries and embedded convection create turbulence year-round.
• Convective Turbulence: The Mississippi Valley is a breeding ground for squall lines and mesoscale convective systems that produce widespread turbulence.

When Is This Route Bumpiest?

For the smoothest possible flight on this route, aim for late summer, early fall, or fall. During these months, the convective activity over the Mississippi Valley and Ozark Plateau is generally reduced, lessening the chance of bumps. Winter can also be fairly smooth. Spring, early summer, and summer tend to be bumpier, as the convective turbulence increases and the potential for more severe weather in Tornado Alley rises, which can lead to a more turbulent flight.

Tips for This Flight

If possible, booking a morning flight often leads to a smoother ride, as convective turbulence tends to build up later in the day. Any turbulence you might experience on this route typically feels like driving on a road with occasional potholes, or a sudden jolt. Keep in mind that pilots are trained to handle these conditions. To stay comfortable, consider choosing a seat over the wing, which tends to experience less motion. Focus on slow, deep breaths, visualizing a calm and steady flight, and remember that turbulence is a normal part of flying.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.