<< >> NASA ASRS Report 344277, August 1996

ASOS report the WX clear. Reporter stated the sky had nine tenths cloud coverage with thunderstorms. Reporter alleges the contract WX observer said to put out WX as reported.

Attributes
ACN	344277
Time
Date	199608
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : dtw
State Reference	MI
Environment
Light	Daylight
Person 1
Affiliation	government : faa
Function	controller : flight data
Qualification	controller : radar
Experience	controller radar : 19
ASRS Report	344277
Person 2
Affiliation	government : faa
Function	oversight : supervisor
Qualification	controller : radar
Events
Anomaly	other anomaly other
Independent Detector	other controllera
Resolutory Action	other
Consequence	Other
Supplementary
Air Traffic Incident	other

Narrative:

ASOS WX report clear in WX report. Thunderstorms to north and east of airport and sky 9/10 coverage with clouds. Machine did not make a special WX until 10 mins later. Meantime I had called WX service at metropolitan (a contractor) and he said to put out WX as reported by the ASOS on the ATIS. Both myself and tower supervisor thought this was not right but had no recourse. This is not the first time I felt the ASOS was wrong.

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Original NASA ASRS Text

Title: ASOS RPT THE WX CLR. RPTR STATED THE SKY HAD NINE TENTHS CLOUD COVERAGE WITH TSTMS. RPTR ALLEGES THE CONTRACT WX OBSERVER SAID TO PUT OUT WX AS RPTED.

Narrative: ASOS WX RPT CLR IN WX RPT. TSTMS TO N AND E OF ARPT AND SKY 9/10 COVERAGE WITH CLOUDS. MACHINE DID NOT MAKE A SPECIAL WX UNTIL 10 MINS LATER. MEANTIME I HAD CALLED WX SVC AT METRO (A CONTRACTOR) AND HE SAID TO PUT OUT WX AS RPTED BY THE ASOS ON THE ATIS. BOTH MYSELF AND TWR SUPVR THOUGHT THIS WAS NOT RIGHT BUT HAD NO RECOURSE. THIS IS NOT THE FIRST TIME I FELT THE ASOS WAS WRONG.

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.