Lori Morning becomes Slipstream when she uses the Dial-H device. 
There is also another character named Slipstream but it's a male character and from Marvel Comics. 
The BG Morning Tide Serenity by Grimdar, I've changed it slightly to pop out her silhouette better.
I'm very close from being done with Lori's aliases. I didn't thought they were so many.
Here is a helpful website with more info about her: