Fig. 8From: 2D PWV monitoring of a wide and orographically complex area with a low dense GNSS networkWhere could a severe meteorological event occur? The ∆PWV is not sufficient to determine whether a severe event may occur in circles 1 or 2 (a), whereas the HI highlights circle 1, where the severe event occurred (b). The images represent data for November 4, 2011, 10:00 UTCBack to article page