| The aim of the study is the individuation of convective cells over the
Italian peninsula with the conjunction use of geostationary satellite data
(METEOSAT, MSG satellite) in the IR and WV channels and lightning data.
We will use GCD (Global Convective Diagnostic) algorithm developed at
Aviation Weather Centre (AWC) of NOAA (National Oceanic and Atmospheric
Administration). This algorithm is based on the idea that a deep convective
cloud will not have any significant moisture above it.
This technique works quite well at identifying active deep convection and
can be applied to all the world's geostationary satellites. However it does
not always agree with lightning sensors. Low topped convection with
lightning will be missed. We will extend the capabilities of GCD using
lightning data. The new product will be validate over different cases in the
central Italy using the C-band polarimetric radar of ISAC-CNR (Institute of
Atmospheric Sciences and Climate-of the Italian National Research Council)
Rome. |