"The National Oceanic and Atmospheric Administration (NOAA) is a
fantastic government agency responsible for the majority of the
weather data in the United States. Using the publicly available and
easily accessible reflectivity data from one of the WSR-88D class
radar systems, this article will show you how to choose a location
and set up weather-change alerts for a precise geographical area.
Please note that this is not a substitute for severe weather alert
systems or designed to produce reliable precipitation forecasts.
Rather, this article presents code and processes for determining if
it's likely to rain very soon in a specific area. Conversely, the
same code is used to produce alerts when a no-precipitation window
has opened, giving you a handy notice of when it's time to dash
inside from your car..."