#HurricaneHilary's satellite presentation has improved further, with an increasingly clear & symmetrical eye and a now contiguous band of deep convection (tall thunderstorm clouds) surrounding the center--all indicative of further strengthening toward a category 4 storm. #CAwx https://t.co/52EBydLj2g pic.twitter.com/dNfy6BKpBZ

— Dr. Daniel Swain (@Weather_West) August 18, 2023