Pedantic answers to the Mathematician's questions on what precipitation chance means: https://www.weather.gov/ffc/pop

If you know the meaning of the probability, you can answer the rest of his questions. The area one is basically a non-question: any forecast on weather.gov will show you the forecast area.

And for the question unasked: how do you end up with phrases like "scattered" or "this morning" in a forecast? NOAA again has you covered: https://www.weather.gov/bgm/forecast_terms

If you know the meaning of the probability, you can answer the rest of his questions. The area one is basically a non-question: any forecast on weather.gov will show you the forecast area.

And for the question unasked: how do you end up with phrases like "scattered" or "this morning" in a forecast? NOAA again has you covered: https://www.weather.gov/bgm/forecast_terms

4 public comments

Panel 1 is a real legit question I have always had about what "percent change of precip" means in weather forecasts. Please help.

Lafayette, LA, USA