Honolulu to Atlanta Turbulence Forecast

HNL → ATL · 4,495 miles · ~9h 29m

What to Expect

The Honolulu to Atlanta route is a long one, crossing diverse geographical areas, and that means experiencing a variety of turbulence types. You'll start over the open Pacific, where oceanic clear-air turbulence and oceanic convection can cause some initial bumps. As you approach the Pacific Coast, anticipate possible clear-air turbulence. Further inland, over the Mojave and Sonoran Deserts, thermal turbulence might be noticeable. As you cross the Southern Rockies, keep in mind that mountain wave turbulence is common. Then, crossing Tornado Alley, severe convective turbulence is a possibility. Over the Ozark Plateau, Mississippi Valley, and Southeast Interior, you might encounter convective turbulence again. Finally, as you near Atlanta and fly over the Southern Appalachians, expect potential mechanical turbulence. Pilots are well-versed in these patterns and use onboard radar, as well as reports from other planes, to navigate the safest course.

The Honolulu to Atlanta 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

• Oceanic Clear-Air Turbulence: Transoceanic jet stream crossings produce extended stretches of clear-air turbulence over the open Pacific.
• Oceanic Convection: Isolated thunderstorms over warm Pacific waters can develop away from radar coverage, catching flights off guard.
• Thermal Turbulence: Extreme desert heating generates strong thermal updrafts that cause low-to-mid-level turbulence, especially in summer afternoons.
• Mountain Wave Turbulence: The Southern Rockies produce lee waves when southwesterly upper-level winds flow across the terrain.

When Is This Route Bumpiest?

The spring and early summer months are usually the calmest for this route. Summer may also be smooth, transitioning to early fall, winter, fall, and late fall. On the other hand, winter, late summer, early spring, summer, late winter, spring, and early summer tend to be bumpier. Winter can bring stronger clear-air turbulence and mountain wave turbulence. During the warmer months, convective turbulence and thermal turbulence are more frequent due to increased instability in the atmosphere, especially when crossing Tornado Alley.

Tips for This Flight

Opt for a morning flight to minimize the chance of convective turbulence, which tends to build as the day heats up. If you experience turbulence, remember that it often feels like driving on a bumpy road or a boat gently rocking. Choose a seat over the wing, as this area experiences less motion. Stay hydrated and practice deep, slow breaths to help you stay calm. Remember, the pilots are highly trained to handle these conditions, and turbulence is a normal part of flying.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.