Numerical Weather Prediction on AWS-Graviton2 with WRF – https://aws.amazon.com/marketplace/pp/prodview-7u3u333lsftj4
Version 3.1 include WRF-4.3 up to the v4.3.3 patch. The user guide (WRF_UG_v3_1) provides a step-by-step description of how to launch instances and clusters.