Harsh, like a storm (6)
I believe the answer is:
severe
(Other definitions for severe that I've seen before include "Sharp" , "Strict and unbending" , "Arduous - dangerous" , "Extremely difficult to endure" , "Acute" .)
I believe the answer is:
severe
(Other definitions for severe that I've seen before include "Sharp" , "Strict and unbending" , "Arduous - dangerous" , "Extremely difficult to endure" , "Acute" .)