Authors: PU ZX LORD SJ KALNAY E

Citation: Zx. Pu et al., FORECAST SENSITIVITY WITH DROPWINDSONDE DATA AND TARGETED OBSERVATIONS, Tellus. Series A, Dynamic meteorology and oceanography, 50(4), 1998, pp. 391-410

Authors: PU ZX KALNAY E PARRISH D WU WS TOTH Z

Citation: Zx. Pu et al., THE USE OF BRED VECTORS IN THE NCEP GLOBAL 3D VARIATIONAL ANALYSIS SYSTEM, Weather and forecasting, 12(3), 1997, pp. 689-695

Authors: PU ZX KALNAY E DERBER JC SELA JG

Citation: Zx. Pu et al., USING FORECAST SENSITIVITY PATTERNS TO IMPROVE FUTURE FORECAST SKILL, Quarterly Journal of the Royal Meteorological Society, 123(540), 1997, pp. 1035-1053

Authors: PU ZX KALNAY E SELA J SZUNYOGH I

Citation: Zx. Pu et al., SENSITIVITY OF FORECAST ERRORS TO INITIAL CONDITIONS WITH A QUASI-INVERSE LINEAR METHOD, Monthly weather review, 125(10), 1997, pp. 2479-2503

Authors: PARRISH DF DERBER JC PURSER RJ WU WS PU ZX

Citation: Df. Parrish et al., THE NCEP GLOBAL ANALYSIS SYSTEM - RECENT IMPROVEMENTS AND FUTURE-PLANS, Journal of the Meteorological Society of Japan, 75(1B), 1997, pp. 359-365