An update on the 4D-LETKF data assimilation system for

filter4dFiltered: Directed by Katie Combs, S. Roy Saringo. With Jenna Faller, Natalie Gerene, Lauren Parker, Bryce Nagel. A powerful, ponant, honest look atAbstract The local ensemble transform Kalman filter (LETKF) is implemented and assessed with the experimental operational system at the Japanese Meteorological Agency