Original: Moisture from the system produced heavy rainfall over the island of Hawaii, totaling to over 15 i/O. The flooding closed all major roads in Hilo, and was considered the worst flooding in 40 years.
Simplified: Moisture from the system produced heavy rainfall over the island of Hawaii, totaling to over 15 inches. The flooding closed all major roads in Hilo, and was considered the worst flooding in 40 years.