The most one can say is that, in a gradually warming world, heat waves are likely to become more intense, frequent and longer lasting.
I got into the shower and it turned on, gradually warming to just a degree below the hottest I could stand.
In the casual chatter after meetings, however, people gradually warmed to the idea of creating a real capsule.
The water was gradually warming, and sometimes a jet of fluid caused its skin to ripple slightly.
At first annoyed, she gradually warms to him, and they spend the day together.
As the weather gradually warmed, the bulbs she'd spotted began to bud.
The children quickly accept Hob and the mother gradually warms to him.
She is forthcoming, up to a point, then warms gradually.
And then warmed gradually to his own insistence: picked up speed with it as he went along.
Alo initially doesn't want the baby, but over time, gradually warms to the idea of being a father.