This should get you started.
Bravo Hop Characteristics:
Alplha Acids: 14.-17.%
Cohumulone: 29-34% of alpha acids
Beta-Acids: 3-5% w/w
Total Hop Oils: 1.6-2.4% v/w
HSI - don't now that.
Based on your interest in Bravo, you should check out Summit also.
Summit Characteristics : Citrus (orange, tangerine, grapefruit)
Styles : American Pale Ale, American IPA
Similar Hops : Cascade, Amarillo
Summit is a recently-released high-alpha (17 to 19% AAU) hop variety. It is a dwarf variety grown on a low trellis system.
I guessing that since they are both so new, the Hop Stability Indexes haven't been established.