Narrative:

The weather was clear with a forecast of increasing winds to 15 to 20 mph [in the next hour]. At time of departure the winds were reported by ATC to be 170 @ 7 mph. The takeoff on rwy 24 was uneventful as the winds were pretty steady. I completed the flight [which] was about 15 minutes and requested rwy 13 for the landing as it was more aligned with the reported wind direction. Prior to my descent on final; the winds were reported to a pilot departing on rwy 24 as being calm; then a moment later they were reported again at 170 @ 7. The plane was being buffeted on the approach and felt much stronger than the reported 7 mph. I touched down and applied rudder to maintain directional control. I over-corrected with the left rudder (wind was from the right) and started to veer left; I corrected with right rudder and with the increasing winds the tail swing and I turned 90 degrees on the runway with the mains resting on the grass at the edge. At this point I was going quite slow. There was no damage to the plane or any airport/runway signage; lights or other obstacles. ATC asked if I was okay; I replied yes and was allowed to circle back onto the runway and taxi back to the FBO. A check of the winds showed gusts in excess of 12 mph; and directional swings of approximately 170 to 230 degrees. The wind speed and directional changes were not reported and if so I would have used rwy 24. I would also like to comment that the anemometer has been inconsistent in reporting wind direction and speed for some time. Usually reporting winds at a lower speed that actual; and not showing gusty conditions.

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Original NASA ASRS Text

Title: C170 pilot reported a loss of control and runway excursion while landing with a crosswind.

Narrative: The weather was clear with a forecast of increasing winds to 15 to 20 mph [in the next hour]. At time of departure the winds were reported by ATC to be 170 @ 7 mph. The takeoff on Rwy 24 was uneventful as the winds were pretty steady. I completed the flight [which] was about 15 minutes and requested Rwy 13 for the landing as it was more aligned with the reported wind direction. Prior to my descent on final; the winds were reported to a pilot departing on Rwy 24 as being calm; then a moment later they were reported again at 170 @ 7. The plane was being buffeted on the approach and felt much stronger than the reported 7 mph. I touched down and applied rudder to maintain directional control. I over-corrected with the left rudder (wind was from the right) and started to veer left; I corrected with right rudder and with the increasing winds the tail swing and I turned 90 degrees on the runway with the mains resting on the grass at the edge. At this point I was going quite slow. There was no damage to the plane or any airport/runway signage; lights or other obstacles. ATC asked if I was okay; I replied yes and was allowed to circle back onto the runway and taxi back to the FBO. A check of the winds showed gusts in excess of 12 mph; and directional swings of approximately 170 to 230 degrees. The wind speed and directional changes were not reported and if so I would have used Rwy 24. I would also like to comment that the anemometer has been inconsistent in reporting wind direction and speed for some time. Usually reporting winds at a lower speed that actual; and not showing gusty conditions.

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.