Predicting the weather
A local news station is is starting its broadcast for the daily weather and they start talking about rain for the day.
The meteorologist starts in “We are looking at about a 60% chance of rain for the day mostly cloudy.”
In the back of the station someone chirps up “Hey it’s raining right now!”
The meteorologist looks back into the camera and says “Looks like there has been a slight change in the forecast,
we are now looking at a 90% chance of rain”