Weather radar shows rain approaching in 8-10 minutes. Current tire age (18 laps) and degradation rate suggest pitting within 2 laps provides optimal window before rain. Extending risks being caught out by weather change.
Immediate pit ensures dry tire change but loses track position
High risk of being caught by rain on worn tires
In similar scenarios (rain approaching, tire age 15-20 laps, P3-P5 position):