Narrative:

Turning from downwind to base leg for ILS runway 07 observed winds at 2;000 MSL to be approximately 240 at 35 knots. ATIS and subsequent tower reported surface winds were 140 at 24 gusting 32. Cleared for approach and commenced with dual autopilot and auto throttles engaged. Assigned airspeed 160. Approaching GS we heard on tower; a flight initiate go around for 'wind shear'. At approximately 1;700 feet MSL the autopilot pitched down approximately 10 degrees; airspeed varied by +/- 10 knots and moderate turbulence was encountered. Though not yet into the wind shear warning altitude envelope; I felt it was imminent and executed a go around. During the go around the turbulence became worse and airspeed fluctuations continued up to 30 knots; therefore precluding a reduction from takeoff go around (toga) power. This resulted in a flap/slat over speed. When the turbulence began to stabilize; power was reduced and flaps and slats were retracted. Continued climb out in moderate turbulence and commenced coordination of ATC clearance for divert to [a nearby airport]. Landed at [alternate airport] and documented over speed occurrence in aircraft maintenance log (aml). Debriefed maintenance personnel; and contacted dispatch.though above 1;000 feet when go around was initiated the turbulence and wind conditions precluded the use of 'soft' go around thrust. The autopilot may have initiated an altitude capture at 2;000 feet prior to further climb instructions by tower; causing acceleration.go arounds are rare; especially in conditions experienced here. Any/all additional time practicing during recurrent training cycles would be beneficial to crew experience.

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Original NASA ASRS Text

Title: The flight crew of an A321 reported that on final approach they encountered severe turbulence; so they executed a go-around. They had continuous turbulence associated with wind-shear.

Narrative: Turning from downwind to base leg for ILS Runway 07 observed winds at 2;000 MSL to be approximately 240 at 35 knots. ATIS and subsequent Tower reported surface winds were 140 at 24 gusting 32. Cleared for approach and commenced with dual autopilot and auto throttles engaged. Assigned airspeed 160. Approaching GS we heard on Tower; a flight initiate go around for 'wind shear'. At approximately 1;700 feet MSL the autopilot pitched down approximately 10 degrees; airspeed varied by +/- 10 knots and moderate turbulence was encountered. Though not yet into the wind shear warning altitude envelope; I felt it was imminent and executed a go around. During the go around the turbulence became worse and airspeed fluctuations continued up to 30 knots; therefore precluding a reduction from Takeoff Go Around (TOGA) power. This resulted in a flap/slat over speed. When the turbulence began to stabilize; power was reduced and flaps and slats were retracted. Continued climb out in moderate turbulence and commenced coordination of ATC clearance for divert to [a nearby airport]. Landed at [alternate airport] and documented over speed occurrence in Aircraft Maintenance Log (AML). Debriefed Maintenance personnel; and contacted Dispatch.Though above 1;000 feet when go around was initiated the turbulence and wind conditions precluded the use of 'soft' go around thrust. The autopilot may have initiated an altitude capture at 2;000 feet prior to further climb instructions by Tower; causing acceleration.Go arounds are rare; especially in conditions experienced here. Any/all additional time practicing during recurrent training cycles would be beneficial to crew experience.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.