AlertsPro is the innovative new app from MeteoGroup which forewarns of severe weather conditions such as storms, heavy rain, thunderstorms, hail, heavy snow, freezing rain and extreme temperatures. 
Also behind the best selling WeatherPro and MeteoEarth apps, MeteoGroup is one of the few private weather companies to operate its own Severe Weather Centres – including the very popular www.severe-weather-centre.co.uk.AlertsPro now brings this online warning service direct to your portable device with coverage of Europe and the USA (National Weather Service).
Voir
http://www.severe-weather-centre.co.uk/
http://www.alertspro.com/lang/en.html