Kona to Savannah Turbulence Forecast

KOA → SAV · 4,641 miles · ~9h 47m

What to Expect

Flying from Kona to Savannah covers a huge variety of terrain, making for a potentially bumpy ride. The first stretch over the open Pacific is prone to both clear-air turbulence, which is invisible and caused by differing air speeds, and oceanic convection, which is just like it sounds, caused by the ocean's temperature. As you cross the Mojave and Sonoran Deserts, expect some thermal turbulence, or bumps caused by rising hot air. Further along, crossing the Southern Rockies introduces the possibility of mountain wave turbulence, where air flows over the mountains like water over rocks. Then, depending on the time of year, Tornado Alley and the Mississippi Valley can bring convective turbulence from thunderstorms. Finally, the Southeast Interior can create its own convective turbulence. All these types of turbulence are well-understood weather phenomena that pilots are trained to handle safely; they constantly monitor conditions and adjust the flight path as needed.

The Kona to Savannah 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 tend to offer the smoothest flights along this route. Winter, on the other hand, tends to be one of the bumpiest times to fly this route, with increased chances of mountain wave turbulence over the Rockies. Late summer, summer, late winter, and early spring can also be turbulent due to stronger thermal activity over the deserts and greater convective activity as weather systems move across the country. Fall, especially late fall, generally sees less significant weather, resulting in fewer bumps.

Tips for This Flight

If possible, aim for a morning flight, as daytime heating often increases turbulence. Any bumps you experience on this route are most likely to feel like driving down a slightly bumpy dirt road, rather than anything dramatic. Choosing a seat over the wing provides the most stable ride. Staying hydrated can also help you feel more comfortable, and focusing on slow, deep breaths can ease any anxiety. Remember, the pilots are highly skilled at navigating these conditions, and your flight is constantly being monitored for safety.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.