Łukasz Legutko, Aleksander Płygawko Institute of Meteorology and Water Management, Poland aleksander.plygawko@imgw.pl   lukasz.legutko@imgw.pl   Abstract The Institute of Meteorology and Water Management (IMGW) develops modern severe storm alarm system based on SMS messages. The project is the first in the EU alarm system based on a “Mobile Presence System”. It provides the public with timely warnings […]