What is turbulence?
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Turbulence from a pilot's view
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How dangerous is turbulence, really? 43 years of data
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What's in the pilot briefing? What you don't see
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What is the jet stream, and why do you feel it at cruise?
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General route view · TK44 · Turkish Airlines · Live tracking: FlightAware
12:00
Conditions look calm, but we don’t have detailed turbulence data for part of this route — check local conditions or with your crew.
Almost entirely calm; a brief bump or two — uncomfortable, never dangerous.
→ What is turbulence?TAKEOFF
Smooth
First 20 min
CRUISE
Brief
11h 20m
LANDING
Smooth
Last 20 min
Istanbul → Cape Town route, 8,430 km. Crosses the Balkans, the Mediterranean, and Anatolia. Winter jet stream may cause light bumps at cruise altitude; summer is typically smooth.
This forecast is calculated from the same ECMWF Open Data model airlines use (Ellrod TI2), and it only changes when the model refreshes on its own cycle. Refreshing the page every few minutes will not change the result.
Checking over and over tends to feed anxiety. A kinder rhythm is to look once the day before, once before you head to the airport, and then let it go. Being curious is very human; there is no need to be hard on yourself.
If the worry rises, breathe out slowly and feel your feet on the floor; even that much settles the body. All the techniques for fear of flying
Istanbul to Cape Town is about 8,431 km and usually takes around 12h in the air. The track it follows runs over the Mediterranean and North Africa.
Over the Mediterranean the air is usually calm and settled. Above North Africa daytime heat can stir shallow thermals lower down, but the air smooths out at cruise.
A flight this long spends hours at a high, smooth cruise. Even when one stretch is bumpy it is a small slice of the whole trip, and the aircraft treats it as routine.
Is turbulence dangerous?
Modern aircraft are engineered to handle even the heaviest turbulence. Turbulence is uncomfortable, but not a structural threat. Pilots can change altitude or routing to find calmer air.
Which times of day are smoothest?
Early morning and night flights tend to be smoother — thermal currents from solar heating can cause mild bumps on afternoon departures.
Why are there light bumps at cruise altitude?
At cruise altitude (around 10-12 km), wind shear from the jet stream can produce brief clear-air turbulence. It usually lasts a few minutes; the pilot turns on the seatbelt sign, sometimes adjusts routing.
How reliable is this forecast?
The forecast is computed from the winds of the same global weather model airlines use for flight planning. No weather forecast is 100%; treat this as direction, not a guarantee.
How do pilots know about turbulence ahead of time?
Before each flight, pilots get a wind map briefing, ICAO SIGMET (significant meteorological advisories), and pilot reports (PIREPs) from other aircraft. In flight, they stay in active contact with ATC and nearby aircraft.
Learn
What is turbulence?
4 min
Learn
Turbulence from a pilot's view
4 min
Learn
Recognizing the flight panic loop
5 min
Learn
How dangerous is turbulence, really? 43 years of data
6 min
Learn
What's in the pilot briefing? What you don't see
5 min
Learn
What is the jet stream, and why do you feel it at cruise?
5 min
Guides
24 hours before your flight
5 min
Guides
What to do during turbulence: 4 steps
4 min
Guides
My first flight: a step-by-step guide for first-timers
7 min
Data: global weather model (ECMWF) · Generated Wed 14:29