Heavy rainfall has been a major talking point ahead of the Brazilian Grand Prix, with qualifying delayed until Sunday morning.
More rain is expected to be on the way for the race, heavier than that which fell during qualifying - which saw five drivers hit the barrier.
F1 has shortened races in the past due to adverse weather conditions - so what will happen in the championship if it decides to do so today?
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F1 races are capped at three hours maximum - meaning after the official start, a clock will start ticking.
It may be the case that a red flag for poor conditions disrupts the race, but the clock will remain active.
The FIA has a system in place that covers all possibilities regarding championship points in the event that the entirety of the event can't be completed.
Should the leader fail to complete two laps, no points will be awarded - if two laps but less than 25 per cent of the race is held, then the top five get points with the winner receiving six.
If the leader completes 25 per cent but less than 50 per cent of the race distance, the winner is handed 13 points while the top nine is rewarded.
The top 10 is only rewarded if between 50 and 75 per cent of the distance is completed with 19 points dished out to the winner.
If 75 per cent or more of the race is completed, then the traditional point-scoring method will be implemented.
See the full list of possibilities below!
F1 point-scoring charts for shortened races
| Pos. | >2 Laps - 25% | 25% - 50% | 50% - 75% |
|---|---|---|---|
| 1st | 6 | 13 | 19 |
| 2nd | 4 | 10 | 14 |
| 3rd | 3 | 8 | 12 |
| 4th | 2 | 6 | 10 |
| 5th | 1 | 5 | 8 |
| 6th | 4 | 6 | |
| 7th | 3 | 4 | |
| 8th | 2 | 3 | |
| 9th | 1 | 2 | |
| 10th | 1 |
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