ZAU controller involved in operational error with WX deviations and a wafdof aircraft.

Attributes
ACN	514718
Time
Date	200106
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : zau.artcc
State Reference	IL
Altitude	msl bound lower : 38000 msl bound upper : 39000
Environment
Weather Elements	Thunderstorm
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zau.artcc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	cruise : enroute altitude change
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zau.artcc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller radar : 27 controller time certified in position1 : 27
ASRS Report	514718
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : airborne less severe inflight encounter : weather non adherence : published procedure non adherence : required legal separation other spatial deviation
Independent Detector	atc equipment : conflict alert other controllera
Resolutory Action	none taken : detected after the fact
Consequence	faa : investigated
Miss Distance	horizontal : 18000 vertical : 1000
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance Weather
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Approved wrong altitude for direction of flight on aircraft Y. Aircraft later deviated into airspace occupied by aircraft X, also deviating. Took aircraft X to FL380 to go between aircraft Y at FL390. All aircraft deviating around thunderstorms.

Original NASA ASRS Text

Title: ZAU CTLR INVOLVED IN OPERROR WITH WX DEVS AND A WAFDOF ACFT.

Narrative: APPROVED WRONG ALT FOR DIRECTION OF FLT ON ACFT Y. ACFT LATER DEVIATED INTO AIRSPACE OCCUPIED BY ACFT X, ALSO DEVIATING. TOOK ACFT X TO FL380 TO GO BTWN ACFT Y AT FL390. ALL ACFT DEVIATING AROUND TSTMS.

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.