Newark to Phoenix Turbulence Forecast

EWR → PHX · 2,128 miles · ~4h 45m

What to Expect

The Newark to Phoenix flight is a real cross-section of American weather, so expect some variety. Early on, over the Northern Appalachians, you might feel some mechanical turbulence, like driving over a slightly bumpy road, caused by the wind interacting with the mountains. As you cross the Atlantic Seaboard and head inland, you could encounter clear-air turbulence (CAT), which can be a bit more sudden, but pilots are always monitoring conditions. Further west, over the Ohio and Mississippi Valleys, frontal and convective turbulence are possible, especially if there are weather systems moving through; that's like hitting a few potholes. Then, you'll cross Tornado Alley, where, especially in spring, severe convective turbulence might occur, but modern radar helps pilots avoid the worst of it. Crossing the Great Plains, more CAT is possible, followed by mountain wave turbulence as you fly over the Southern Rockies; finally, over the Mojave and Sonoran Deserts, thermal turbulence can create some minor chop. Your pilots are highly trained to handle these conditions, which are very common.

The Newark to Phoenix 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

• 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?

The most consistently smooth flights on this route are typically in the early fall and fall, extending into winter. The air is generally more stable then, particularly over the Plains and Rockies. However, late winter, early spring, spring, early summer, and summer are when you're more likely to experience bumps, because these are peak seasons for frontal systems and thunderstorms, especially as you cross Tornado Alley, and for mountain wave activity over the Rockies. Mechanical turbulence near the Appalachians is fairly consistent year-round but tends to be more pronounced with stronger winter winds.

Tips for This Flight

If you're concerned about turbulence, consider booking a morning flight, as the atmosphere tends to be more stable earlier in the day; avoiding the heat of the afternoon may limit thermals over the deserts. Any turbulence you encounter will likely feel like driving over small, unexpected dips in the road, lasting only a few seconds at a time. Choosing a seat over the wing is often thought to provide a slightly more stable ride, and staying hydrated can help you feel more comfortable. Remember that turbulence is a normal part of flying, and the pilots are always in control and monitoring the conditions to ensure a safe flight.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.