MD-11
Flight Crew Air Transport Pilot (ATP)
Deviation - Speed All Types; Inflight Event / Encounter Weather / Turbulence
Flight Crew Took Evasive Action
Weather
50 NM WNW of SLN VOR at FL380 encountered severe turbulence +/- 25 KIAS with a one second overspeed of 5 KIAS followed by stick shaker as airspeed fluctuated. Descended to FL370 to avoid turbulence and again got into severe turbulence 80 NM WNW of SLN VOR. No overspeed; but did get into stick shaker. Descended to FL320 to avoid turbulence. Event was written up and follow up inspection showed no damage. Cause was clear air turbulence.
MD11 Captain reported encountering severe clear air turbulence at FL380 near SLN VOR which resulted in a momentary overspeed and stick shaker.