495 
discrepancies on the order of 15 mm/h exists, especially for high rain rates. Note that, when more than one 
rain-gauge was present within the same SSM/I pixel, the average rain rate has been considered. 
Figure 5. Rain rate map derived by applying the maximum-likelihood algorithm to the Liguria 
precipitation event. 
Rain-gauges measured Rain rate (mm/h) 
Figure 6. Comparison of rain-rates derived from SSM/I data and measured from available rain-gauges 
during Liguria precipitation event.