@article{wang2026mapcast,
  title = {MAPCast: A Convection Allowing MPAS Emulator for Ensemble-based Background Error Covariance Estimation Toward Multi-Scale Data Assimilation},
  author = {Yongming Wang and Xuguang Wang},
  year = {2026},
  eprint = {2607.21917},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.21917},
}