# Storm Tropical Surge Purple/Navy

> Bowling ball — data from CarryDown (https://www.carrydown.com/balls/storm-tropical-surge-purple-navy/)

- Brand: Storm
- Availability: unknown
- Released/approved: 2024-01-01
- Coverstock: [Reactor Solid Reactive](https://www.carrydown.com/brands/storm/coverstocks/reactor/) (solid)
- Core: [Surge Core](https://www.carrydown.com/brands/storm/cores/surge-core/) (symmetric)
- Intended condition: Medium oil
- Factory finish: 2000-grit Abralon
- Flare potential: High
- List price (MSRP): no manufacturer price found
- USBC approved: yes (2024-03-12)

## Specs by weight

| Weight | RG | Differential | Int. Diff | Mass Bias |
|---|---|---|---|---|
| 16 lb | 2.57 | 0.025 | — | — |
| 15 lb | 2.58 | 0.024 | — | — |
| 14 lb | 2.6 | 0.025 | — | — |
| 13 lb | 2.62 | 0.021 | — | — |
| 12 lb | 2.64 | 0.02 | — | — |
| 11 lb | 2.76 | 0.002 | — | — |
| 10 lb | 2.8 | 0.002 | — | — |