[wxqc] Rain probability

[Evan Bookbinder]

The Probability of Precipitation is the forecaster's confidence that 
0.01" or more of precipitation will fall at a given location in that 
time frame. Note that the forecast says "chance of precipitation" or 
"chance of measurable precipitation" and not "areal coverage of 
precipitation".

Evan



Joy wrote:
> I always thought that instead of being an odds percentage of rain, 
> that the probability of rain meant in  a given area during a specific 
> period of time.
> In other words that at any time in the forecast period, 30% of the 
> land area could expect some rain.  (or whatever percentage was forecast)
>
> Joy Lemmons
> KB0YUP
>
>
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