Narrative:

During last 1000 ft of climb to FL330, deviating in thunderstorms, wing ice selected, caused slow rate of climb which ATC queried us about. Gave us a 10 degree heading change. Aircraft weight good for FL330 in pubs and performance management system. FL330 reached soon thereafter.

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Original NASA ASRS Text

Title: AN ACR MD80 FLC CLBING TO FL330 FINDS THE LAST 1000 FT SLOW GOING WITH THE ANTI-ICE SYS ON. THE ARTCC CTLR VECTORS THE MD80 TO AVOID A LTSS.

Narrative: DURING LAST 1000 FT OF CLB TO FL330, DEVIATING IN TSTMS, WING ICE SELECTED, CAUSED SLOW RATE OF CLB WHICH ATC QUERIED US ABOUT. GAVE US A 10 DEG HDG CHANGE. ACFT WT GOOD FOR FL330 IN PUBS AND PERFORMANCE MGMNT SYS. FL330 REACHED SOON THEREAFTER.

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.