Test on Forecasts for September 4, 1999

There was a minor (Ap=21) g/m storm  during the first and weak (Ap=15) during the second semi diurnal interval.
 
 

  31 1 2 subtotal
SSM 0 0 0 0
SEC 0 0 0 0
Meudon 0 0 0.5 0.5