[gradsusr] urgent help

[Ngabonziza Athanase]

hello! i m trying to plot mean wind vector for april 1979 at 200mb but when i use cbar command  to display the
legend is refusing (telling me unknown command) what can I do? 
thank you for your help!


NGABONZIZA ATHANASE
UNIVERSITY OF NAIROBI
SCHOOL OF PHYICAL SCIENCES
METEOROLOGICAL DEPARTMENT
POBOX 30197,00100 NRB
TEL +254718960555


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