TY - CPAPER AU - P. Veyre BT - Workshop on New Developments in Predictability, 13-15 November 1991 CY - Shinfield Park, Reading DA - 1991 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1991 SP - 65 EP - 86 T2 - Workshop on New Developments in Predictability, 13-15 November 1991 TI - Direct prediction of error variances by the tangent linear model: a way to forecast uncertainty in the short range? ER -