Theres no single "right"
way to predict the weatherweather forecasting
is as much an art as it is a science. Meteorologists
rely on the wealth of available data, their knowledge
of atmospheric processes, and their experience and insight
to make predictions.
A good way to begin gathering data
for your own prediction is to examine maps of current
weather conditions, called surface analysis maps. These
maps use numbers and symbols to display weather data.
For example, the blue contour lines on the map represent
areas of equal atmospheric pressure, measured in millibars
(mB). You can examine a key to the other weather station
symbols at: Surface Weather Station Symbol Key
! Click either side of the map to
see a larger version.