Kona to Milwaukee Turbulence Forecast

KOA → MKE · 4,207 miles · ~8h 55m

What to Expect

Your Kona to Milwaukee flight, a northeast journey spanning 4207 miles, presents a mix of potential turbulence scenarios. Initially, expect possible Oceanic Clear-Air Turbulence and Oceanic Convection over the vast Pacific. Approaching the Pacific Coast, Clear-Air Turbulence (CAT) is possible. As you cross the Sierra Nevada and then the Central Rockies, be prepared for potential Mountain Wave Turbulence, created by wind flowing over the mountains. The Great Plains might present more Clear-Air Turbulence (CAT). Nearing Milwaukee, you may encounter Clear-Air Turbulence (CAT) over the Upper Midwest. Finally, as you approach Milwaukee and cross the Great Lakes, Lake-Effect Turbulence can occur. Remember that pilots are highly skilled in navigating these common weather patterns, using onboard radar and reports from other aircraft to ensure a safe and comfortable flight as possible.

Flights between Kona and Milwaukee 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.

When Is This Route Bumpiest?

For the smoothest experience on this route, aim for spring, early summer, summer, early fall, or fall. These seasons generally see less intense air disturbances. Winter, late summer, early spring, spring, late fall, and early winter tend to be bumpier due to stronger jet streams contributing to Clear-Air Turbulence (CAT) and more pronounced Mountain Wave Turbulence over the Rockies. The increased temperature differences between the Great Lakes and the air above them also make late fall and early winter more prone to Lake-Effect Turbulence.

Tips for This Flight

Choosing a morning flight is often your best bet for a smoother ride from Kona to Milwaukee, as the atmosphere tends to be more stable earlier in the day. Any turbulence you do experience on this route will likely feel like driving over a series of gentle, rolling hills or some unexpected potholes. For extra comfort, choose a seat over the wing, which tends to experience less motion, stay well-hydrated, and focus on slow, deep breaths; remember that the crew is well-prepared to handle any bumps along the way and are there to ensure your safety and comfort.

Get Your Forecast

Related Routes

See all routes from Kona or to Milwaukee.

More from Kona

More to Milwaukee

Forecasts based on NOAA HRRR and GFS atmospheric model data.