# What does a 20 chance of rain mean?

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If we’re just expecting a small storm or two, we’d say 20% of the area will see rain. On the other hand, if we’re expecting more widespread rain, the area that will see rain would be more like 70% or 80%.

## What does percent chance of rain mean?

occurring at any one spot in the area covered by the forecast. One simple equation used among meteorologists is P = C x A, or the probability of precipitation equals the meteorologist’s confidence that it will rain, times the percentage of the area that is expected to get rainfall.

## What does 30 chance of rain actually mean?

30% chance that it might rain that day. Instead, it means there’s a 100% chance it will rain, but said precipitation will only cover 30% of a given area.

## What does 50% chance of rain really mean?

A 50 percent chance of rain means there is a 50 percent chance for any one spot in the forecast area to get wet during the forecast period.

## Does 40% chance of rain mean it will rain?

Using a 40% probability of rain as an example, it does not mean (1) that 40% of the area will be covered by precipitation at given time in the given forecast area or (2) that you will be seeing precipitation 40% of the time in the given forecast area for the given forecast time period.

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## How is rain percentage calculated?

Here is how the National Weather Service breakdowns the math: “PoP = C x A where “C” = the confidence that precipitation will occur somewhere in the forecast area, and where “A” = the percent of the area that will receive measurable precipitation, if it occurs at all.”

## How accurate are rain forecasts?

Longer-range forecasts are less accurate. Data from the National Oceanic and Atmospheric Administration suggests a seven-day forecast can accurately predict the weather about 80 percent of the time, and a five-day forecast can accurately predict the weather approximately 90 percent of the time.

## What does rain mean spiritually?

Rain symbolism represents cleansing, calmness, growth and fertility, and even rebirth. It’s also a favorite symbol for moviemakers and literature writers who use rain as a symbol of foreshadowing.

## What does 60% rain mean?

So just what the heck does a “60 percent chance of rain” mean? It means that the weather forecaster has made two estimates, multiplied them together, and come up with a number called the PoP, or Possibility of Precipitation.

## What does rain mean in the Bible?

Rain Signifies The Harvest

In James 5:7 and the Book of Acts 2:16-17, the Bible refers to the latter rain as a symbolic meaning of the End Time Harvest of souls into God’s Kingdom.

## What does a 70% chance of rain mean?

Basically, it means that a certain percentage of the forecast area is expected to get rain. … So, hold onto your umbrellas because after today we have a 70 percent chance of rain for Thursday and a 60 percent chance of rain for Friday.

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## How do percentages work in weather?

Let’s say that a forecaster is 90% confident that rain will occur over 70% of the forecast area. “C” is 0.9 and “A” is 0.7. Multiply them together and you get chance of rain percentage of roughly 0.6 or 60%.

## What does a 100 chance of rain mean?

The rain percentage can spark a 100 percent chance of confusion. … It’s a mathematical equation that is used to forecast the coverage of rain. Chance of rain = Confidence X Area. Confidence meaning that forecaster is confident the precipitation will occur somewhere in the forecast area.