As you can see from the examples on the this page, upsweep stripes start with a beltline stripe, with the stripe extending upward toward the front or rear of the vehicle. They often have a break in the upsweep section for a star of life symbol, or department logo.
Upsweep Front Stripe Examples
No example vehicles currently listed for stripe style upsweep, frontUpsweep Rear Stripe Examples
Upsweep Flying H Stripe Examples
No example vehicles currently listed for stripe style upsweep, flying H