Narrative:

ASOS celiometer failed, and WX reported clear skies for nearly 2 hours with actual conditions 3800 ft overcast and light snow.

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Original NASA ASRS Text

Title: TWR CTLR CLAIMS THAT ASOS RPTED CLR SKIES FOR 2 HRS WHEN THE ACTUAL CONDITIONS WAS 3800 FT OVCST WITH SNOW.

Narrative: ASOS CELIOMETER FAILED, AND WX RPTED CLR SKIES FOR NEARLY 2 HRS WITH ACTUAL CONDITIONS 3800 FT OVCST AND LIGHT SNOW.

Data retrieved from NASA's ASRS site as of July 2007 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.