University of Washington EnKF Performance Summary

Ryan Torn & Greg Hakim

UW EnKF cycling continuously in real time since 24 December 2004 (UW EnKF).

UW EnKF Verification

RMS errors without assimilation

Interesting Case


Torn, R. D., and G. J. Hakim, 2007: Ensemble-based sensitivity analysis. Mon. Wea. Rev. 134,  submitted. (pdf)

Ancell, B., and G. J. Hakim, 2006: Comparing adjoint and ensemble sensitivity analysis. Mon. Wea. Rev. 133,  submitted. (pdf)

Dirren, S., R. D. Torn, and G. J. Hakim, 2006: A data assimilation case-study using a limited-area ensemble Kalman filter. Mon. Wea. Rev. 133, accepted. (pdf)

Torn, R. D., G. J. Hakim, and C. Snyder, 2006: Boundary conditions for limited-area ensemble Kalman filters. Mon. Wea. Rev. 134,  2490--2502. (pdf)

Hakim, G. J., and R. D. Torn, 2004: Ensemble Synoptic Analysis. Fred Sanders Monograph,  American Meteorological Society,  accepted. (pdf)