Latest news, Aug 3, 2026: I've been updating how BumpySkies treats airport elevations, forecasts climb and descent rates, and classifies turbulence intensity, all based on real-world guidance. More about it in the next newsletter. Until then, if anything seems off, please report an issue!

CPA852, HKG to SEA, departing 1:35 PM HKT, Aug 15

Turbulence forecast map for CPA852, HKG to SEA

Report an issue

(Forecast data last collected at 4:00 PM HKT on Aug 15, 2026.)

  1. Takeoff from HKG at 1:35 PM HKT, Aug 15.
  2. 1:36 PM HKT: Calm skies for the next 2 hours and 17 minutes.
  3. 3:53 PM HKT: Light turbulence likely for the next 5 minutes.
  4. 3:58 PM HKT: Calm skies for the next 29 minutes.
  5. 4:27 PM HKT: Light turbulence likely for the next 22 minutes.
  6. 4:49 PM HKT: Moderate turbulence likely for the next 20 minutes.
  7. 5:09 PM HKT: Light turbulence likely for the next 6 minutes.
  8. 5:15 PM HKT: Calm skies for the next 27 minutes.
  9. 5:42 PM HKT: Light turbulence likely for the next 16 minutes.
  10. 5:58 PM HKT: Calm skies for the next 28 minutes.
  11. 6:26 PM HKT: Light turbulence likely for the next 25 minutes.
  12. 6:51 PM HKT: Moderate turbulence likely for the next 2 minutes.
  13. 6:53 PM HKT: Light turbulence likely for the next 6 minutes.
  14. 6:59 PM HKT: Calm skies for the next 11 minutes.
  15. 7:10 PM HKT: Light turbulence likely for the next 2 minutes.
  16. 7:12 PM HKT: Calm skies for the next 11 minutes.
  17. 7:23 PM HKT: Light turbulence likely for the next 10 minutes.
  18. 7:33 PM HKT: Moderate turbulence likely for the next 9 minutes.
  19. 7:42 PM HKT: Light turbulence likely for the next 19 minutes.
  20. 8:01 PM HKT: Moderate turbulence likely for the next 2 minutes.
  21. 8:03 PM HKT: Light turbulence likely for the next 17 minutes.
  22. 8:20 PM HKT: Moderate turbulence likely for the next 1 minute.
  23. 8:21 PM HKT: Light turbulence likely for the next 7 minutes.
  24. 8:28 PM HKT: Moderate turbulence likely for the next 3 minutes.
  25. 8:31 PM HKT: Light turbulence likely for the next 14 minutes.
  26. 8:45 PM HKT: Calm skies for the next 1 hour and 56 minutes.
  27. 10:41 PM HKT: Light turbulence likely for the next 48 minutes.
  28. 11:29 PM HKT: Calm skies for the next 1 hour and 50 minutes.
  29. 1:19 AM HKT: Light turbulence likely for the next 5 minutes.
  30. 1:24 AM HKT: Calm skies for the rest of the flight.
  31. Landing at SEA at 1:27 AM HKT.

Get notified about a future CPA852 flight First Class

Nelly

Nelly says: Bumpy skies can be scary, but they're not dangerous!

See our turbulence safety page for more information, including links to other resources for nervous fliers.

šŸ“£ To stay informed about updates to BumpySkies, subscribe to the free newsletter:

You can also browse past newsletter issues.

BumpySkies is free, and stays online thanks to its subscribers.

If you find this service helpful, please consider subscribing to BumpySkies First Class. For $5 a month you'll help keep BumpySkies running—and you can set up turbulence-forecast notifications for your own flights.

For best results, try it shortly before departure.

(Or, see a random upcoming flight's forecast.)