Warnings for thunderstorms for Graubünden
No active warnings Alert level dark green:
Active weather notice Alert level yellow:
Severe weather watch Alert level orange:
Severe weather warning (moderate) Alert level red:
Severe weather warning (heavy) Alert level violet:
Severe weather warning (extreme)
The map gives an overview of all the thunderstorm warnings for Graubünden. On the graphic you can see at which locations respectively in which areas of Graubünden the danger of thunderstorms is imminent. The thunderstorms are often accompanied by hail, heavy rain and/or gale-force wind gusts.
We distinguish between weather watches and weather warnings. Thunderstorm watches are issued if the risk of thunderstorms is increased. Thunderstorm warnings for Graubünden are released in case of the development of thunderstorms and provide information about track and arrival time. The warning level comply with the potential danger: At the orange warning level at most small hail stones (< diameter of 1cm) and only a few storm gusts are to be reckoned with. At the red and violet warning level the danger of considerable damage by hail as well as of storm or gale-force gusts gradually increases. The detailed and reliable forecasts of such thunderstorm events are important especially for insurances, the agriculture and event organisers. Professional and experienced meteorologists at the Severe Weather Centre continually adjust the thunderstorm forecasts manually and make them cutting-edge 24 hours a day.