我作了2句英文,唔知有冇錯,請各位英文高手幫幫忙

no it should be   
1. Amber Rainstorm Warning Signal and Thunderstorm Warning (was)
       issued at(in) this morning by the Hong Kong Obsercatory.(Observatory)
     2. I hope it will not raining . Because I want to go to ocean park tomorrow
i hope it will not rain because i want to go(better to use" i am going" ) to the ocean park
tomorrow.