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(c)
Fig. 6. Examples of storm radar monitoring over the Valley of Mexico basin and
identification of fixed echoes caused by the interception of the radar beam with volcanoes
located eastern Mexico City: a) 15 June; b) 13 July and; c) 19 September 1998.
4. Case study
Mendez (2005) and Mendez et al. (2009) using reflectivity radar data for the period of 1995-
1998, selected 13 intense precipitation events to examine the rainfall patterns over México
City, determined by the Cerro Catedral radar, by looking at spatial characteristics (shape,
position and magnitude) of precipitation across the valley. The analysis also constitutes a
