What is QPF?
QPF is Quantitative Precipitation Forecast. It is a map depicting future precipitation for an area.
How can I read a QPF map?
It is very simple. Let’s say the weatherman says rain. You find a QPF map. It shows 1.13”.
That means 1.13” of rain will fall. It is just showing you how much rain will fall.
For snow, you can multiply a value by 10 to get an average snowfall amount. Below is a real-time QPF map.
What does a QPF map look like?
So, if we look in Mississippi (March 5th), we see the number 4.1 That means 4.1 inches of rain is predicted to fall.