Kona to Buffalo Turbulence Forecast

KOA → BUF · 4,669 miles · ~9h 50m

What to Expect

Your Kona to Buffalo flight is a long one, crossing a variety of terrains and weather systems that can create turbulence. Initially, you'll be over the open Pacific, where you might encounter oceanic clear-air turbulence or convection. As you approach the Pacific Coast and later cross the Great Plains and the Upper Midwest, expect the possibility of clear-air turbulence, which is often found at higher altitudes where air masses collide. Crossing the Sierra Nevada and Central Rockies could bring mountain wave turbulence, caused by wind flowing over the mountains. Later in the flight, as you approach Buffalo, crossing the Great Lakes and the Northern Appalachians, lake-effect and mechanical turbulence might occur due to the interaction of wind with the lakes and the Appalachian mountains. Pilots are highly skilled at managing these common weather patterns, using weather forecasts and onboard radar to navigate the smoothest possible path.

Flights between Kona and Buffalo cross the Sierra Nevada, a steep mountain barrier in eastern California. The Sierra generates some of the most intense rotor and wave turbulence in the world — the famous "Sierra Wave" can reach the stratosphere. East-side downdrafts are especially sharp, and flights into or out of Reno or the Central Valley often feel the effects.

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.
• Mountain Wave Turbulence: The Sierra Nevada produces the well-known Sierra Wave, one of the strongest mountain wave systems in North America.
• Mechanical Turbulence: The Northern Appalachians generate low-level mechanical turbulence during strong post-frontal northwest winds.

When Is This Route Bumpiest?

For the smoothest flight from Kona to Buffalo, aim for spring, early summer, summer, early fall, or fall. These seasons generally experience less turbulence over the open ocean and fewer strong temperature gradients that cause clear-air turbulence. Winter, late summer, early spring, spring, late fall, and early winter tend to be bumpier. The jet stream is stronger in winter, increasing clear-air turbulence. Mountain wave turbulence is also more common when the winds are stronger. Lake-effect turbulence near Buffalo is obviously more prevalent in colder months.

Tips for This Flight

If possible, booking a morning flight often leads to a smoother experience, as the atmosphere tends to be more stable earlier in the day. Any turbulence you do experience on this route will most likely feel like driving over a bumpy road or a few moments of moderate chop. To stay comfortable, consider choosing a seat over the wing for a slightly more stable ride. Remember to stay hydrated, and practice deep, slow breathing. You've got this, and the crew is there to support you throughout the flight.

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Forecasts based on NOAA HRRR and GFS atmospheric model data.