Measurements earlier today are shown in
blue, and predictions in red. Sometimes estimates in
between are shown in cyan.
NOAA-SWPC: Space Weather Prediction Graph - today
Figure 2. This short-term space weather prediction graph is considered the most
accurate. It
can be used as an indicator of the
auroral activity for the next few hours. The horizontal time-
axis shows the time of day
/weather/articles/nr/2550