In this paper new EMMA data regarding European Portuguese nasals is presented. Some details about corpus constitution, recording and annotation is given. First results from analysis are presented. Quantitative analysis of velum movement was done for nasal vowels between stops. For the other contexts representative examples are presented and qualitatively analysed. In all contexts nasal vowels are produced with an initial phase having an high velum position. This result supports our previous work conclusions, of nasal vowels viewed as dynamic sounds were beginning must have dominant lips radiation. Obtained knowledge has application in articulatory synthesis, our motivation for this study.